{"id":2009,"date":"2023-02-14T12:15:33","date_gmt":"2023-02-14T12:15:33","guid":{"rendered":"https:\/\/waldunsteel.com\/?p=2009"},"modified":"2023-02-14T12:17:07","modified_gmt":"2023-02-14T12:17:07","slug":"what-is-4340-steel","status":"publish","type":"post","link":"https:\/\/waldunsteel.com\/zh_tw\/\u4ec0\u9ebc\u662f-4340-\u92fc\/","title":{"rendered":"\u4ec0\u9ebc\u662f4340\u92fc"},"content":{"rendered":"<div  class='flex_column av-av_two_third-7714eba142aeda1f8b5272a3c372b279 av_two_third  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  first flex_column_div'     ><section  class='av_textblock_section av-le47lgd5-9c8cbc65321bfb6c92f660abd38525f8'  ><div class='avia_textblock' ><h1><span id=\"Understanding_Steels_What_Is_a_4340_Steel\"><strong><b>\u4e86\u89e3\u92fc\uff1a\u4ec0\u9ebc\u662f 4340 \u92fc\uff1f<\/b><\/strong><\/span><\/h1>\n<p>\u9019\u00a0<a href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/4340-\u92fc\/\"><u>AISI 4340 \u92fc<\/u><\/a>\u00a0\u662f\u4e00\u7a2e\u542b\u6709\u926c\u3001\u927b\u548c\u93b3\u5408\u91d1\u7684\u92fc\u3002<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-1018 entered lazyloaded\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_-300x176.jpg\" sizes=\"(max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_-300x176.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_-16x9.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_.jpg 655w\" alt=\"\u4e86\u89e3\u92fc\u6750 \u4ec0\u9ebc\u662f 4340 \u92fc \" width=\"300\" height=\"176\" data-lazy-srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_-300x176.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_-16x9.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_.jpg 655w\" data-lazy-sizes=\"(max-width: 300px) 100vw, 300px\" data-lazy-src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Understanding-Steels-What-is-4340-Steel_-300x176.jpg\" data-ll-status=\"loaded\" \/><br \/>\nAISI 4340 \u92fc\u7684\u5916\u89c0\u5716\u50cf<\/p>\n<p>\u60a8\u53ef\u80fd\u56e0\u70ba\u4ed6\u5011\u7684\u80fd\u529b\u548c\u9ad8\u5f37\u800c\u8a8d\u8b58\u4ed6\u5011\u3002\u4f46\u662f\u60a8\u53ef\u80fd\u5df2\u7d93\u8a3b\u610f\u5230\uff0c\u5408\u91d1\u548c\u92fc\u662f\u901a\u904e\u6578\u5b57\u4f86\u5340\u5206\u7684\u2014\u2014\u60a8\u77e5\u9053\u9019\u4e9b\u6578\u5b57\u662f\u4ec0\u9ebc\u610f\u601d\u55ce\uff1f<\/p>\n<h2><span id=\"AISI_4340_Steel_Specification_and_Relevant_Standards\"><strong>AISI 4340 \u92fc\u898f\u683c\u53ca\u76f8\u95dc\u6a19\u6e96<\/strong><\/span><\/h2>\n<table border=\"1px\" width=\"100%\">\n<tbody>\n<tr>\n<td width=\"104\">\u570b\u5bb6<\/td>\n<td width=\"143\">\u7f8e\u570b<\/td>\n<td width=\"143\">\u82f1\u570b<\/td>\n<td width=\"143\">\u82f1\u570b<\/td>\n<td width=\"143\">\u65e5\u672c<\/td>\n<\/tr>\n<tr>\n<td>\u6a19\u6e96<\/td>\n<td><span class=\"wp_keywordlink\">ASTM A29<\/span><\/td>\n<td>EN 10250<\/td>\n<td><span class=\"wp_keywordlink\">BS 970<\/span><\/td>\n<td>JIS G4103<\/td>\n<\/tr>\n<tr>\n<td>\u6210\u7e3e<\/td>\n<td>4340<\/td>\n<td>36CrNiMo4\/<br \/>\n1.6511<\/td>\n<td>EN24\/817M40<\/td>\n<td>SNCM 439\/SNCM8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span id=\"ASTM_4340_Steels_And_Equilvalents_Chemical_Composition\"><strong>ASTM 4340 \u92fc\u53ca\u5176\u7b49\u6548\u7269\u5316\u5b78\u6210\u5206<\/strong><\/span><\/h2>\n<table border=\"1px\" width=\"100%\">\n<tbody>\n<tr>\n<td width=\"85\">\u6a19\u6e96<\/td>\n<td width=\"110\">\u5e74\u7d1a<\/td>\n<td width=\"82\">C<\/td>\n<td width=\"82\">\u9333<\/td>\n<td width=\"82\">\u78f7<\/td>\n<td width=\"82\">\u79d2<\/td>\n<td width=\"82\">\u77fd<\/td>\n<td width=\"82\">\u4f60<\/td>\n<td width=\"82\">\u927b<\/td>\n<td width=\"82\">\u83ab<\/td>\n<\/tr>\n<tr>\n<td>ASTM A29<\/td>\n<td>4340<\/td>\n<td>0.38-0.43<\/td>\n<td>0.60-0.80<\/td>\n<td>0.035<\/td>\n<td>0.040<\/td>\n<td>0.15-0.35<\/td>\n<td>1.65-2.00<\/td>\n<td>0.70-0.90<\/td>\n<td>0.20-0.30<\/td>\n<\/tr>\n<tr>\n<td>EN 10250<\/td>\n<td width=\"110\">36CrNiMo4\/<br \/>\n1.6511<\/td>\n<td>0.32-0.40<\/td>\n<td>0.50-0.80<\/td>\n<td>0.035<\/td>\n<td>0.035<\/td>\n<td>\u22660.40<\/td>\n<td>0.90-1.20<\/td>\n<td>0.90-1.2<\/td>\n<td>0.15-0.30<\/td>\n<\/tr>\n<tr>\n<td>BS 970<\/td>\n<td>EN24\/817M40<\/td>\n<td>0.36-0.44<\/td>\n<td>0.45-0.70<\/td>\n<td>0.035<\/td>\n<td>0.040<\/td>\n<td>0.1-0.40<\/td>\n<td>1.3-1.7<\/td>\n<td>1.00-1.40<\/td>\n<td>0.20-0.35<\/td>\n<\/tr>\n<tr>\n<td>JIS G4103<\/td>\n<td width=\"110\">SNCM 439\/SNCM8<\/td>\n<td>0.36-0.43<\/td>\n<td>0.60-0.90<\/td>\n<td>0.030<\/td>\n<td>0.030<\/td>\n<td>0.15-0.35<\/td>\n<td>1.60-2.00<\/td>\n<td>0.60-1.00<\/td>\n<td>0.15-0.30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span id=\"AISI_Alloy_4340_Steel_Mechanical_Properties\"><strong>AISI \u5408\u91d1 4340 \u92fc\u7684\u6a5f\u68b0\u6027\u80fd<\/strong><\/span><\/h2>\n<table border=\"1px\" width=\"100%\">\n<tbody>\n<tr>\n<td rowspan=\"11\" width=\"103\">\u6a5f\u68b0\u6027\u80fd\uff08\u71b1\u8655\u7406\u689d\u4ef6\uff09<\/td>\n<td width=\"66\">\u72c0\u6cc1<\/td>\n<td width=\"95\">\u88c1\u5b9a\u90e8\u5206<br \/>\n\u6beb\u7c73<\/td>\n<td width=\"109\">\u6297\u62c9\u5f37\u5ea6 MPa<\/td>\n<td width=\"95\">\u5c48\u670d\u5f37\u5ea6<br \/>\n\u5146\u5e15<\/td>\n<td width=\"49\">\u85dd\u9f8d\u3002<br \/>\n%<\/td>\n<td width=\"79\">\u4f0a\u4f50\u5fb7\u885d\u64ca<br \/>\n\u0134<\/td>\n<td width=\"67\">\u5e03\u6c0f\u786c\u5ea6\u8a08<br \/>\n\u786c\u5ea6<\/td>\n<\/tr>\n<tr>\n<td width=\"66\">\u5678<\/td>\n<td width=\"95\">250<\/td>\n<td width=\"109\">850-1000<\/td>\n<td width=\"95\">\u7b2c635\u7ae0<\/td>\n<td width=\"49\">13<\/td>\n<td width=\"79\">40<\/td>\n<td width=\"67\">248-302<\/td>\n<\/tr>\n<tr>\n<td width=\"66\">\u5678<\/td>\n<td width=\"95\">150<\/td>\n<td width=\"109\">850-1000<\/td>\n<td width=\"95\">\u7b2c665\u7ae0<\/td>\n<td width=\"49\">13<\/td>\n<td width=\"79\">54<\/td>\n<td width=\"67\">248-302<\/td>\n<\/tr>\n<tr>\n<td width=\"66\">\u4f60<\/td>\n<td width=\"95\">100<\/td>\n<td width=\"109\">930-1080<\/td>\n<td width=\"95\">\u7b2c740\u7ae0<\/td>\n<td width=\"49\">12<\/td>\n<td width=\"79\">47<\/td>\n<td width=\"67\">269-331<\/td>\n<\/tr>\n<tr>\n<td colspan=\"7\" width=\"560\"><\/td>\n<\/tr>\n<tr>\n<td width=\"66\">\u4f0f<\/td>\n<td width=\"95\">63<\/td>\n<td width=\"109\">1000-1150<\/td>\n<td width=\"95\">\u7b2c835\u7ae0<\/td>\n<td width=\"49\">12<\/td>\n<td width=\"79\">47<\/td>\n<td width=\"67\">293-352<\/td>\n<\/tr>\n<tr>\n<td width=\"66\">\u5bec<\/td>\n<td width=\"95\">30<\/td>\n<td width=\"109\">1080-1230<\/td>\n<td width=\"95\">925<\/td>\n<td width=\"49\">11<\/td>\n<td width=\"79\">41<\/td>\n<td width=\"67\">311-375<\/td>\n<\/tr>\n<tr>\n<td width=\"66\">X<\/td>\n<td width=\"95\">30<\/td>\n<td width=\"109\">1150-1300<\/td>\n<td width=\"95\">1005<\/td>\n<td width=\"49\">10<\/td>\n<td width=\"79\">34<\/td>\n<td width=\"67\">341-401<\/td>\n<\/tr>\n<tr>\n<td colspan=\"7\" width=\"560\"><\/td>\n<\/tr>\n<tr>\n<td width=\"66\">\u662f<\/td>\n<td width=\"95\">30<\/td>\n<td width=\"109\">1230-1380<\/td>\n<td width=\"95\">1080<\/td>\n<td width=\"49\">10<\/td>\n<td width=\"79\">24<\/td>\n<td width=\"67\">363-429<\/td>\n<\/tr>\n<tr>\n<td width=\"66\">Z<\/td>\n<td width=\"95\">30<\/td>\n<td width=\"109\">1555-<\/td>\n<td width=\"95\">1125<\/td>\n<td width=\"49\">5<\/td>\n<td width=\"79\">10<\/td>\n<td width=\"67\">444-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span id=\"Thermal_Properties\"><strong>\u71b1\u6027\u80fd<\/strong><\/span><\/h2>\n<table border=\"1px\" width=\"100%\">\n<tbody>\n<tr>\n<td width=\"313\">\u7279\u6027<\/td>\n<td width=\"107\">\u516c\u5236<\/td>\n<td width=\"107\">\u5e1d\u570b<\/td>\n<\/tr>\n<tr>\n<td width=\"313\">\u71b1\u81a8\u8139\u4fc2\u6578\uff0820\u00b0C\/68\u00b0F\uff0c\u8a66\u6a23\u6cb9\u786c\u5316\uff0c600\u00b0C\uff081110\u00b0F\uff09\u56de\u706b<\/td>\n<td width=\"107\">12.3 \u5fae\u7c73\/\u7c73\u00b0C<\/td>\n<td width=\"107\">6.83 \u5fae\u82f1\u5bf8\/\u82f1\u5bf8\u00b0F<\/td>\n<\/tr>\n<tr>\n<td width=\"313\">\u5c0e\u71b1\u4fc2\u6578\uff08\u5178\u578b\u92fc\u6750\uff09<\/td>\n<td width=\"107\">44.5 \u74e6\/\u7c73\u00b7K<\/td>\n<td width=\"107\">309 BTU \u82f1\u5bf8\/\u5c0f\u6642.ft\u00b2.\u00b0F<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span id=\"Why_is_it_4340\"><strong><b>\u70ba\u4ec0\u9ebc\u662f\u201c4340\uff1f\u201d<\/b><\/strong><\/span><\/h2>\n<p>\u5728 SAE \u548c AISI \u7de8\u865f\u7cfb\u7d71\u4e2d\uff0c\u7b2c\u4e00\u500b (1<sup>\u82f1\u77f3<\/sup>) \u92fc\u7684\u6578\u5b57\u4ee3\u8868\u91d1\u5c6c\u6240\u5c6c\u7684\u985e\u5225\u3002<\/p>\n<p>1 \u4ee3\u8868\u78b3\u92fc\uff0c2 \u4ee3\u8868\u93b3\u92fc\uff0c\u4f9d\u6b64\u985e\u63a8\u3002\u6578\u5b57\u56db (4) \u8868\u793a\u92fc\u662f\u4e00\u7a2e\u926c\u92fc\u3002<\/p>\n<p>\u7136\u5f8c\uff0c\u7b2c\u4e8c\u500b\uff082<sup>nd<\/sup>) \u6578\u5b57\u4ee3\u8868\u4e3b\u8981\u5143\u7d20\u7684\u5b58\u5728\u3002\u9019\u4e9b\u4e3b\u8981\u5143\u7d20\u6703\u5f71\u97ff\u548c\u6539\u8b8a\u92fc\u7684\u6027\u80fd\u548c\u6574\u9ad4\u7279\u6027\u3002<\/p>\n<p>\u5728 4340 \u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u610f\u5473\u8457\u5b58\u5728\u4e09 (3) \u500b\u5143\u7d20\uff0c\u5b83\u5011\u5305\u62ec\u93b3\u3001\u927b\u548c\u926c\u3002<\/p>\n<p>\u6700\u5f8c\uff0c\u7d50\u5c3e\u6578\u5b57\u6216\u6700\u5f8c\u5169 (2) \u4f4d\u6578\u5b57\u4ee3\u8868 0.01% \u8655\u7684\u78b3\u6fc3\u5ea6\u6c34\u5e73\u3002\u56e0\u6b64\uff0c\u57284340\u7684\u60c5\u6cc1\u4e0b\uff0c\u5176\u4e2d\u7684\u78b3\u542b\u91cf\u70ba0.40%\u3002<\/p>\n<p>\u800c\u5df2\uff01\u9019\u5c31\u662f AISI 4340 \u92fc\u7684\u542b\u7fa9\uff0c\u9019\u5c31\u662f\u5b83\u8207\u5176\u4ed6\u92fc\u7684\u4e0d\u540c\u4e4b\u8655\uff01<\/p>\n<p>SAE 4340\u92fc\u662f\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u5408\u91d1\u92fc\uff0c\u5e38\u7528\u65bc\u822a\u7a7a\u822a\u5929\u5de5\u696d\u3002\u5b83\u4ee5\u5176\u51fa\u8272\u7684\u97cc\u6027\u548c\u5f37\u5ea6\u91cd\u91cf\u6bd4\u800c\u805e\u540d\u3002\u6b64\u5916\uff0cSAE 4340 \u92fc\u5177\u6709\u826f\u597d\u7684\u5ef6\u5c55\u6027\uff0c\u4f7f\u5176\u9069\u7528\u65bc\u5ee3\u6cdb\u7684\u61c9\u7528\u9818\u57df\u3002\u9019\u7a2e\u985e\u578b\u7684\u92fc\u901a\u5e38\u7528\u65bc\u88fd\u9020\u98db\u6a5f\u96f6\u4ef6\u548c\u5176\u4ed6\u95dc\u9375\u90e8\u4ef6\u3002<\/p>\n<h2><span id=\"What_is_4340_steel_properties\">\u4ec0\u9ebc\u662f 4340 \u92fc\u7684\u7279\u6027\uff1f<\/span><\/h2>\n<p>4340\u92fc\u662f\u4e00\u7a2e\u927b\u926c\u5408\u91d1\u92fc\uff0c\u5177\u6709\u51fa\u8272\u7684\u6297\u62c9\u5f37\u5ea6\u548c\u885d\u64ca\u5f37\u5ea6\u3002\u926c\u7684\u6dfb\u52a0\u4f7f 4340 \u7684\u5f37\u5ea6\u512a\u65bc\u5176\u4ed6\u92fc\u7a2e\uff0c\u800c\u927b\u5247\u63d0\u9ad8\u4e86\u6dec\u900f\u6027\u3001\u8010\u78e8\u6027\u548c\u8010\u78e8\u6027\u3002<\/p>\n<p>4340\u53ef\u4ee5\u9032\u884c\u71b1\u8655\u7406\u4ee5\u7372\u5f97\u5ee3\u6cdb\u7684\u6a5f\u68b0\u6027\u80fd\uff0c\u4e26\u4e14\u7d93\u5e38\u7528\u65bc\u9700\u8981\u9ad8\u5f37\u5ea6\u548c\u97cc\u6027\u7684\u61c9\u7528\u4e2d\u3002<\/p>\n<p>4340 \u6709\u591a\u7a2e\u5c3a\u5bf8\u548c\u5f62\u72c0\u53ef\u4f9b\u9078\u64c7\uff0c\u4f7f\u5176\u6210\u70ba\u5404\u7a2e\u61c9\u7528\u7684\u7d55\u4f73\u9078\u64c7\u3002\u6709\u95dc 4340 \u92fc\u7279\u6027\u548c\u53ef\u7528\u6027\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8acb\u806f\u7e6b\u60a8\u7576\u5730\u7684\u91d1\u5c6c\u4f9b\u61c9\u5546\u3002<\/p>\n<h2><span id=\"What_is_the_Hardness_Level_of_4340_Steel\"><strong><b>4340 \u92fc\u7684\u786c\u5ea6\u7b49\u7d1a\u662f\u591a\u5c11\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u7531\u65bc 4340 \u92fc\u4ee5\u5176\u97cc\u6027\u800c\u805e\u540d\uff0c\u56e0\u6b64\u60a8\u53ef\u4ee5\u671f\u671b\u7372\u5f97\u9ad8\u9054 HRC 62 \u6216 600 \u81f3 650 HB \u7684\u8868\u9762\u786c\u5ea6\u6c34\u5e73\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-1020 entered lazyloaded\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--300x200.jpg\" sizes=\"(max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--300x200.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--1030x687.jpg 1030w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--768x512.jpg 768w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--1536x1025.jpg 1536w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--16x12.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--1500x1001.jpg 1500w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--705x470.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_-.jpg 1920w\" alt=\"4340\u92fc\u7684\u786c\u5ea6\u7b49\u7d1a\u662f\u591a\u5c11 \" width=\"300\" height=\"200\" data-lazy-srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--300x200.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--1030x687.jpg 1030w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--768x512.jpg 768w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--1536x1025.jpg 1536w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--16x12.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--1500x1001.jpg 1500w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--705x470.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_-.jpg 1920w\" data-lazy-sizes=\"(max-width: 300px) 100vw, 300px\" data-lazy-src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Hardness-Level-of-4340-Steel_--300x200.jpg\" data-ll-status=\"loaded\" \/><br \/>\n4340 \u92fc\u5f88\u786c\uff0c\u56e0\u6b64\u60a8\u53ef\u4ee5\u5c07\u5176\u7528\u65bc\u5ee3\u6cdb\u7684\u61c9\u7528<\/p>\n<p>\u5982\u679c\u60a8\u8981\u751f\u7522\u5200\u7247\u3001\u5200\u5177\u548c\u5176\u4ed6\u591a\u7528\u9014\u5de5\u5177\uff0c\u9019\u7a2e\u786c\u5ea6\u6c34\u5e73\u5df2\u7d93\u5f88\u6709\u6548\u3002<\/p>\n<h2><span id=\"At_What_Point_of_Temperature_Does_AISI_4340_Melt\"><strong><b>AISI 4340 \u5728\u4ec0\u9ebc\u6eab\u5ea6\u4e0b\u7194\u5316\uff1f<\/b><\/strong><\/span><\/h2>\n<p>AISI 4340 \u92fc\u7684\u7194\u9ede\u70ba 1,427 \u651d\u6c0f\u5ea6\u6216\u7d04 2,600 \u83ef\u6c0f\u5ea6\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u9700\u8981\u9ad8\u65bc\u9019\u4e9b\u6eab\u5ea6\uff0c4340 \u92fc\u53ef\u80fd\u4e0d\u662f\u60a8\u7684\u6700\u4f73\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u5011\u6703\u7194\u5316\u3002<\/p>\n<h2><span id=\"IS_AISI_4340_Steel_a_Type_of_Stainless_Steel\"><strong><b>AISI 4340 \u92fc\u662f\u4e0d\u92b9\u92fc\u7684\u4e00\u7a2e\u55ce\uff1f<\/b><\/strong><\/span><\/h2>\n<p>AISI 4340 \u662f\u4e00\u7a2e\u542b\u6709\u5927\u91cf\u927b\u7684\u926c\u92fc\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-1017 entered lazyloaded\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_--300x251.jpg\" sizes=\"(max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_--300x251.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_--14x12.jpg 14w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_-.jpg 450w\" alt=\"\u662f 4340 \u4e0d\u92b9\u92fc \" width=\"300\" height=\"251\" data-lazy-srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_--300x251.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_--14x12.jpg 14w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_-.jpg 450w\" data-lazy-sizes=\"(max-width: 300px) 100vw, 300px\" data-lazy-src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-Stainless-Steel_--300x251.jpg\" data-ll-status=\"loaded\" \/><br \/>\n\u60a8\u53ef\u4ee5\u5c07 4340 \u92fc\u8996\u70ba\u4e00\u7a2e\u4e0d\u92b9\u92fc<\/p>\n<p>\u7531\u65bc\u927b\u662f\u4f7f\u92fc\u4e0d\u93fd\u7684\u539f\u56e0\uff0c\u56e0\u6b64\uff0c\u6211\u5011\u53ef\u4ee5\u5f97\u51fa\u7d50\u8ad6\uff0cAISI 4340 \u92fc\u662f\u4e0d\u93fd\u7684<\/p>\n<h2><span id=\"What_is_the_Difference_Between_4140_and_4340_Steels\"><strong><b>4140 \u548c 4340 \u92fc\u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/b><\/strong><\/span><\/h2>\n<p>4340 \u548c 4140 \u92fc\u662f\u5169 (2) \u7a2e\u6700\u5e38\u898b\u7684\u92fc\u7a2e\u3002\u5b83\u5011\u7528\u65bc\u4e0d\u540c\u985e\u578b\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4e26\u61c9\u7528\u65bc\u5168\u7403\u591a\u500b\u4f01\u696d\u548c\u884c\u696d\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5b83\u5011\u6709\u4f55\u4e0d\u540c\uff1f\u662f\u4ec0\u9ebc\u8b93 AISI 4340 \u548c 4140 \u92fc\u4e0d\u540c\uff1f\u73fe\u5728\u6211\u5011\u77e5\u9053\u9019\u4e9b\u6578\u5b57\u7684\u771f\u6b63\u542b\u7fa9\uff0c\u6211\u5011\u5f88\u5bb9\u6613\u8b58\u5225\u548c\u5340\u5206 4340 \u548c 4140\u3002<\/p>\n<h3><strong><b>\u5316\u5b78\u6210\u5206<\/b><\/strong><\/h3>\n<p>\u96d6\u7136\u5169\u7a2e\u92fc\u7684\u78b3\u542b\u91cf\u76f8\u540c\uff0c\u4f46\u5b83\u5011\u5728\u5143\u7d20\u548c\u5316\u5b78\u7269\u8cea\u7684\u6210\u5206\u4e0a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u4f8b\u5982\uff0c4140 \u4e0d\u542b\u93b3\uff0c\u800c 4340 \u542b\u6709\u7d04 1.82% \u7684\u93b3\uff0c\u9019\u5df2\u7d93\u88ab\u8a8d\u70ba\u662f\u9ad8\u7684\u3002<\/p>\n<h3><strong><b>\u61c9\u7528<\/b><\/strong><\/h3>\n<p>\u7531\u65bc\u5176\u9748\u6d3b\u6027\u548c\u591a\u529f\u80fd\u6027\uff0c\u00a0<a href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/4140-\u92fc\/\"><u>AISI 4140 \u92fc<\/u><\/a>\u00a0\u662f\u4e00\u7a2e\u901a\u5e38\u7528\u65bc\u822a\u7a7a\u3001\u822a\u5929\u548c\u570b\u9632 (ASD) \u884c\u696d\u7684\u92fc\u6750\u3002\u4e0d\u50c5\u5982\u6b64\uff0c\u60a8\u9084\u53ef\u4ee5\u5728\u6c7d\u8eca\u3001\u77f3\u6cb9\u548c\u5929\u7136\u6c23\u884c\u696d\u4ee5\u53ca\u8fb2\u696d\u884c\u696d\u4e2d\u4f7f\u7528\u5b83\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c4340 \u92fc\u4e3b\u8981\u7528\u65bc\u91cd\u8f09\u61c9\u7528\uff0c\u4f8b\u5982\u9ad8\u61c9\u529b\u548c\u9ad8\u885d\u64ca\u60c5\u6cc1\u3001\u50b3\u52d5\u90e8\u4ef6\u3001\u767c\u52d5\u6a5f\u548c\u8f49\u5b50\u7b49\u3002<\/p>\n<h3><strong><b>\u7279\u6027<\/b><\/strong><\/h3>\n<p>AISI 4340 \u92fc\u901a\u904e\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Quenching\"><u>\u6dec\u706b<\/u><\/a>\u00a0\u548c\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Tempering_(metallurgy)\"><u>\u56de\u706b<\/u><\/a>\uff0c\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u8a8d\u70ba\u5b83\u5c6c\u65bc\u4e2d\u7b49\u8cea\u91cf\u7684\u78b3\u3002\u53e6\u4e00\u65b9\u9762\uff0c4140 \u92fc\u4ee5\u5176\u6297\u8150\u8755\u80fd\u529b\u3001\u9ad4\u8cbc\u7684\u5f37\u5ea6\u4ee5\u53ca\u6297\u78e8\u640d\u548c\u78e8\u640d\u80fd\u529b\u800c\u805e\u540d\u3002<\/p>\n<h2><span id=\"What_are_the_Applications_of_4340_Steel\"><strong><b>4340 \u92fc\u6709\u54ea\u4e9b\u61c9\u7528\uff1f<\/b><\/strong><\/span><\/h2>\n<p>AISI 4340 \u92fc\u5728\u5f37\u5ea6\/\u97cc\u6027\u548c\u5ef6\u5c55\u6027\u4e4b\u9593\u201c\u5e7e\u4e4e\u201d\u5b8c\u7f8e\u5e73\u8861\uff0c\u4f7f\u5176\u6210\u70ba\u53ef\u7528\u65bc\u88fd\u9020\u767c\u52d5\u6a5f\u3001\u69cd\u652f\u96f6\u4ef6\u3001\u9f52\u8f2a\u7b49\u7684\u6700\u4f73\u92fc\u6750\u985e\u578b\u4e4b\u4e00\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-1019 entered exited\" src=\"\u6578\u64da\uff1a\uff1bbase64\uff0c&lt;svg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; viewbox=&#039;0 0 300 225&#039;&gt;&lt;\/svg&gt;&rdquo; alt=&rdquo;4340\u92fc\u7684\u61c9\u7528\u6709\u54ea\u4e9b &rdquo; width=&rdquo;300&Prime; height=&rdquo;225&Prime; data-lazy-srcset=&rdquo; https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Are -the-Applications-of-4340-Steel_&ndash;300&times;225.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Are-the-Applications-of-4340-Steel_&ndash; 16&times;12.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Are-the-Applications-of-4340-Steel_-.jpg 400w&rdquo; data-lazy-sizes=&rdquo; \uff08\u6700\u5927\u5bec\u5ea6\uff1a300px\uff09100vw\uff0c300px&rdquo; data-lazy-src=&rdquo; https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Are-the-Applications-of-4340-Steel_&ndash; 300&times;225.jpg&rdquo; \/&amp;gt;&lt;br \/&gt;4340 \u92fc\u6709\u5f88\u591a\u4e0d\u540c\u7684\u7528\u9014&mdash;&mdash;\u9019\u8981\u6b78\u529f\u65bc\u5b83\u5011\u7684\u7279\u6027\u548c\u6210\u5206&lt;\/p&gt;&lt;p&gt;\u6700\u5e38\u4f7f\u7528\u5b83\u7684\u4e00\u4e9b\u884c\u696d\u548c\u90e8\u9580\u662f\uff1a&lt;\/p&gt;&lt;ul&gt;&lt;li&gt;\u6c7d\u8eca\u548c\u98db\u6a5f\u5de5\u696d&lt;\/li&gt;&lt;li&gt;\u570b\u9632\u76f8\u95dc\u90e8\u9580&lt;\/li&gt;&lt;li&gt;\u6a5f\u68b0\u8a2d\u5099\u88fd\u9020\u884c\u696d&lt;\/li&gt;&lt;li&gt;\u88fd\u9020\u696d&lt;\/li&gt;&lt;li&gt;\u9435\u8def\u548c\u63a1\u7926\u696d&lt;\/li&gt;&lt;li&gt;\u548c\u5225\u7684\uff01&lt;\/li&gt;&lt;\/ul&gt;&lt;h2&gt;&lt;span id=\"what_kind_of_steel_is_4340\"><strong><b>4340 \u662f\u4ec0\u9ebc\u92fc\u6750\uff1f<\/b><\/strong><\/span><\/h2>\n<p>4340\u662f\u4e00\u7a2e\u5177\u6709\u4e2d\u78b3\u548c\u4f4e\u5408\u91d1\u92fc\u7b49\u7d1a\u7684\u92fc\u7a2e\u3002\u9019\u7a2e\u7279\u6b8a\u7684\u7b49\u7d1a\u56e0\u5176\u5728\u5f37\u5ea6\u548c\u97cc\u6027\u65b9\u9762\u7684\u5e73\u8861\u800c\u5ee3\u53d7\u6b61\u8fce\u3002<\/p>\n<p>\u60a8\u901a\u5e38\u6703\u6536\u5230\u8655\u65bc\u56de\u706b\u548c\u786c\u5316\u72c0\u614b\u7684 4340 \u92fc\u3002\u9019\u4f7f\u5f97\u6297\u62c9\u5f37\u5ea6\u7bc4\u570d\u5f9e 930 \u5230 1,080 MPa\u3002<\/p>\n<h2><span id=\"Industries_That_Utilize_4340_Steel\"><strong><b>\u4f7f\u7528 4340 \u92fc\u7684\u884c\u696d<\/b><\/strong><\/span><\/h2>\n<p>\u6709\u8a31\u591a\u696d\u52d9\u90e8\u9580\u548c\u884c\u696d\u767c\u73fe\u81ea\u5df1\u9700\u8981\u4f7f\u7528 4340 \u5408\u91d1\u92fc\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u9019\u4e9b\u884c\u696d\u4e2d\u6700\u5e38\u898b\u7684\uff1a<\/p>\n<ul>\n<li>\u6c7d\u8eca\u6216\u822a\u7a7a\u822a\u5929\u5de5\u696d<\/li>\n<li>\u6a5f\u5668\u6216\u8a2d\u5099\u88fd\u9020<\/li>\n<li>\u901a\u7528\u5de5\u7a0b\u884c\u696d<\/li>\n<li>\u50b3\u8f38\u7cfb\u7d71<\/li>\n<li>\u935b\u9020\u3001\u710a\u63a5\u548c\u6a5f\u68b0\u52a0\u5de5<\/li>\n<li>\u6cb9\u548c\u6c23<\/li>\n<li>\u9084\u6709\u5f88\u591a\uff01<\/li>\n<\/ul>\n<h2><span id=\"Whats_better_4140_or_4340\"><strong>4140 \u6216 4340 \u54ea\u500b\u66f4\u597d\uff1f<\/strong><\/span><\/h2>\n<p>4340\u92fc\u662f\u4e00\u7a2e\u5e38\u7528\u65bc\u5de5\u7a0b\u61c9\u7528\u7684\u5408\u91d1\u92fc\u3002\u5b83\u662f\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u6750\u6599\uff0c\u53ef\u4ee5\u9032\u884c\u71b1\u8655\u7406\u4ee5\u9054\u5230\u6240\u9700\u7684\u786c\u5ea6\u3002 4340\u92fc\u9084\u5177\u6709\u826f\u597d\u7684\u97cc\u6027\u548c\u5ef6\u5c55\u6027\u3002 4140 \u92fc\u662f\u53e6\u4e00\u7a2e\u975e\u5e38\u9069\u5408\u5de5\u7a0b\u61c9\u7528\u7684\u5408\u91d1\u92fc\u3002\u5b83\u4e5f\u662f\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u6750\u6599\uff0c\u4f46\u8207 4340 \u92fc\u76f8\u6bd4\uff0c\u5b83\u5177\u6709\u4e0d\u540c\u7684\u5fae\u89c0\u7d50\u69cb\u3002\u56e0\u6b64\uff0c4140\u92fc\u901a\u5e38\u5177\u6709\u66f4\u597d\u7684\u8010\u78e8\u6027\u548c\u8010\u78e8\u6027\u3002\u70ba\u61c9\u7528\u9078\u64c7\u5408\u9069\u7684\u92fc\u6750\u5f88\u91cd\u8981\uff0c\u6839\u64da\u5177\u9ad4\u9700\u6c42\uff0c4340 \u6216 4140 \u53ef\u80fd\u662f\u6700\u4f73\u9078\u64c7\u3002<\/p>\n<h2><span id=\"Is_4340_a_tool_steel\"><strong>4340 \u662f\u5de5\u5177\u92fc\u55ce\uff1f<\/strong><\/span><\/h2>\n<p>4340 \u662f\u4e00\u7a2e\u5de5\u5177\u92fc\uff0c\u56e0\u5176\u97cc\u6027\u548c\u9ad8\u5f37\u5ea6\u800c\u5099\u53d7\u63a8\u5d07\u3002\u5b83\u5177\u6709\u51fa\u8272\u7684\u5207\u524a\u548c\u52a0\u5de5\u6027\u80fd\uff0c\u4f7f\u5176\u975e\u5e38\u9069\u5408\u5ee3\u6cdb\u7684\u61c9\u7528\u3002 4340 \u5e38\u7528\u65bc\u822a\u7a7a\u822a\u5929\u3001\u6c7d\u8eca\u548c\u5efa\u7bc9\u884c\u696d\u3002\u5b83\u9084\u53ef\u4ee5\u7528\u65bc\u5404\u7a2e\u5176\u4ed6\u7528\u9014\uff0c\u4f8b\u5982\u6ce8\u5851\u548c\u58d3\u9444\u3002 4340\u662f\u4e00\u7a2e\u5408\u91d1\u92fc\uff0c\u542b\u6709\u927b\u3001\u926c\u548c\u93b3\u3002\u9019\u4e9b\u5143\u7d20\u8ce6\u4e88 4340 \u51fa\u8272\u7684\u5f37\u5ea6\u548c\u97cc\u6027\u3002 4340 \u53ef\u4ee5\u71b1\u8655\u7406\u5230\u5404\u7a2e\u786c\u5ea6\u6c34\u5e73\uff0c\u4f7f\u5176\u9069\u7528\u65bc\u5ee3\u6cdb\u7684\u61c9\u7528\u3002 4340 \u662f\u4e00\u7a2e\u591a\u529f\u80fd\u5de5\u5177\u92fc\uff0c\u53ef\u7528\u65bc\u591a\u7a2e\u7528\u9014\u3002<\/p>\n<h2><span id=\"What8217s_the_difference_between_4130_and_4340_steel\"><strong>4130 \u548c 4340 \u92fc\u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/strong><\/span><\/h2>\n<p>AISI \u7b49\u7d1a\u7684\u92fc\u5177\u6709\u4e0d\u540c\u6c34\u5e73\u7684\u78b3\u3001\u9333\u548c\u77fd\uff0c\u4ee5\u5728\u91d1\u5c6c\u4e2d\u7522\u751f\u4e0d\u540c\u7684\u5c6c\u6027\u3002 4130 \u542b\u6709\u9ad8\u9054 0.28% \u81f3 0.33%\uff0c\u800c 4140 \u542b\u6709\u5927\u7d04 75 -100 % \u7684\u9333\uff0c\u8207\u5927\u7d04 20-25% \u7684\u5c0d\u61c9 11000 \u7cfb\u5217\u7248\u672c\u76f8\u6bd4\uff0c\u7522\u751f\u7684\u5408\u91d1\u5177\u6709\u66f4\u9ad8\u7684\u6dec\u900f\u6027\u548c\u5f37\u5ea6\u7279\u6027\u3002\u7f85\u99ac\u4eba\u7576\u6642\u6b63\u5728\u4f7f\u7528\u9019\u7a2e\u985e\u578b\uff0c\u4f46\u4eca\u5929\u60a8\u6703\u767c\u73fe\u5927\u591a\u6578\u528d\u90fd\u662f\u7531\u8f03\u8edf\u7684 Aisi 4005 \u6216 42CrMo \u92fc\u88fd\u6210\u7684\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u4ee5\u8f15\u9b06\u710a\u63a5\u5728\u4e00\u8d77\uff0c\u800c\u4e0d\u6703\u56e0\u78e8\u640d\u7387\u592a\u5feb\u800c\u5c0e\u81f4\u6bd4\u8cfd\u58fd\u547d\u5f8c\u671f\u51fa\u73fe\u4efb\u4f55\u554f\u984c\u3002<\/p>\n<h2><span id=\"Is_4340_steel_forged\"><strong>4340 \u92fc\u662f\u935b\u9020\u7684\u55ce\uff1f<\/strong><\/span><\/h2>\n<p>\u662f\u7684\uff0c\u5b83\u662f\u4e00\u7a2e\u53ef\u71b1\u8655\u7406\u7684\u4f4e\u9435\u78b3\u5408\u91d1\u3002\u5728\u9019\u7a2e\u91d1\u5c6c\u4e2d\u6dfb\u52a0\u5143\u7d20\u7684\u76ee\u7684\u662f\u4f7f\u5176\u6027\u80fd\u512a\u65bc\u927b\u6216\u926c\u7b49\u666e\u901a\u92fc\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u7528\u512a\u8cea\u92fc\u5200\u7247\u88fd\u9020\u528d\u6642\u4e5f\u53ef\u4ee5\u63d0\u9ad8\u7a7f\u900f\u529b\uff0c\u4f46\u901a\u5e38\u4e0d\u6703\u55ae\u7368\u4f7f\u7528\uff0c\u56e0\u70ba\u5b83\u5011\u5169\u8005\u90fd\u7f3a\u4e4f\u67d0\u4e9b\u9ede\u6240\u9700\u7684\u78f7\u542b\u91cf\uff0c\u540c\u6642\u5728\u935b\u9020\u904e\u7a0b\u4e2d\u7194\u5316\u896f\u88e1 \u7121\u8ad6\u54ea\u7a2e\u65b9\u5f0f\uff0c\u5728\u4efb\u4f55\u50cf\u6a23\u7684\u6771\u897f\u51fa\u73fe\u4efb\u4f55\u6709\u610f\u7fa9\u7684\u5f37\u5927\u6b66\u5668\u5316\u5207\u524a\u5203\u4e4b\u524d\uff0c\u90fd\u9700\u8981\u4e0d\u6b62\u4e00\u7a2e\u6750\u6599\u6211\u5011\u5728\u9019\u88e1\u8ac7\u8ad6\u7684\u6d89\u53ca\u8af8\u5982\u91e9\u7684\u7d44\u5408\u6c2e\u548c\u786b\u5c0d\u3002<\/p>\n<h2><span id=\"Is_4340_Steel_Good_For_Knives\"><strong><b>IS 4340 \u92fc G<\/b><\/strong><strong><b>\u5200\u597d\u7528\u55ce\uff1f<\/b><\/strong><\/span><\/h2>\n<p>4340 \u92fc\u662f\u4e00\u7a2e\u975e\u5e38\u9069\u5408\u786c\u5ea6\u548c\u5f37\u5ea6\u662f\u6700\u91cd\u8981\u56e0\u7d20\u7684\u61c9\u7528\u7684\u92fc\u6750\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1521 entered exited\" src=\"\u6578\u64da\uff1a\uff1bbase64\uff0c&lt;svg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; viewbox=&#039;0 0 378 260&#039;&gt;&lt;\/svg&gt;&rdquo; alt=&rdquo;4340\u662f\u4ec0\u9ebc\u92fc\u6750&rdquo; width=&rdquo;378&Prime; height=&rdquo;260&Prime; data-lazy-srcset=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Kind- of-Steel-is-4340_-.jpeg 378w\uff0chttps:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Kind-of-Steel-is-4340_&ndash;300&times;206.jpeg 300w\uff0chttps :\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Kind-of-Steel-is-4340_&ndash;16&times;12.jpeg 16w&rdquo; data-lazy-sizes=&rdquo;\uff08\u6700\u5927\u5bec\u5ea6\uff1a378px\uff09 100vw, 378px&rdquo; data-lazy-src=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-Kind-of-Steel-is-4340_-.jpeg&rdquo; \/&amp;gt;&lt;br \/&gt;4340 \u92fc\u662f\u60a8\u53ef\u4ee5\u7528\u4f5c\u5200\u5177\u6216\u4efb\u4f55\u5176\u4ed6\u5bb6\u7528\u7269\u54c1\u7684\u92fc\u6750&lt;\/p&gt;&lt;p&gt;\u56e0\u6b64\uff0c\u6211\u5011\u53ef\u4ee5\u5f97\u51fa\u7d50\u8ad6\uff0c\u5c07 4340 \u92fc\u7528\u65bc\u5200\u5177\u4e26\u4e0d\u7406\u60f3\uff0c\u4f46\u662f\uff0c\u985e\u4f3c\u65bc\u5176\u4ed6\u985e\u578b\u7684\u92fc\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u3002&lt;\/p&gt;&lt;h2&gt;&lt;span id=\"will_4340_steel_rust\">4340 \u92fc\u6703\u751f\u93fd\u55ce\uff1f<\/span><\/h2>\n<p>4340\u92fc\u662f\u4e00\u7a2e\u5408\u91d1\u92fc\uff0c\u542b\u6709\u9435\u3001\u927b\u3001\u93b3\u548c\u926c\u3002 4340\u92fc\u4ee5\u5176\u9ad8\u5f37\u5ea6\u548c\u97cc\u6027\u800c\u805e\u540d\u3002 4340\u92fc\u9084\u5177\u6709\u512a\u826f\u7684\u710a\u63a5\u6027\u80fd\u3002 4340\u92fc\u53ef\u4ee5\u9032\u884c\u71b1\u8655\u7406\u4ee5\u7372\u5f97\u5ee3\u6cdb\u7684\u6a5f\u68b0\u6027\u80fd\u3002 4340 \u92fc\u901a\u5e38\u7528\u65bc\u822a\u7a7a\u822a\u5929\u5de5\u696d\uff0c\u7528\u65bc\u8ef8\u3001\u9f52\u8f2a\u548c\u87ba\u6813\u7b49\u61c9\u7528\u3002 4340\u92fc\u5177\u6709\u826f\u597d\u7684\u8010\u8150\u8755\u6027\u80fd\u3002 4340\u92fc\u53ef\u4ee5\u66b4\u9732\u5728\u6f6e\u6fd5\u7684\u74b0\u5883\u4e2d\uff0c\u4ecd\u80fd\u4fdd\u6301\u5176\u8010\u8150\u8755\u6027\u3002 4340 \u92fc\u53ef\u7528\u65bc\u9e7d\u6c34\u548c\u6de1\u6c34\u61c9\u7528\u3002<\/p>\n<h2><span id=\"Can_You_Weld_4340_Steel\"><strong><b>\u4f60\u80fd\u710a\u63a5 4340 \u92fc\u55ce\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u662f\u7684\uff01\u4e8b\u5be6\u4e0a\uff0c4340 \u4ee5\u53ca\u927b\u93b3\u926c\u5408\u91d1\u7cfb\u5217\u7684\u5176\u4ed6\u6210\u54e1\u5728\u71b1\u8655\u7406\u968e\u6bb5\u662f\u53ef\u710a\u63a5\u7684\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1515 entered exited\" src=\"\u6578\u64da\uff1a\uff1bbase64\uff0c&lt;svg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; viewbox=&#039;0 0 1280 720&#039;&gt;&lt;\/svg&gt;&rdquo; alt=&rdquo;\u4f60\u80fd\u710a\u63a5 4340 \u92fc\u55ce&rdquo; width=&rdquo;1280&Prime; height=&rdquo;720&Prime; data-lazy-srcset=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld -4340-Steel.jpg 1280w\uff0chttps:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-4340-Steel-300&times;169.jpg 300w\uff0chttps:\/\/waldunsteel.com \/wp-content\/uploads\/2021\/03\/Can-You-Weld-4340-Steel-1030&times;579.jpg 1030w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You- Weld-4340-Steel-768&times;432.jpg 768w\uff0chttps:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-4340-Steel-16&times;9.jpg 16w\uff0chttps\uff1a \/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-4340-Steel-705&times;397.jpg 705w&rdquo; data-lazy-sizes=&rdquo;(max-width: 1280px) 100vw, 1280px &rdquo; data-lazy-src=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-4340-Steel.jpg&rdquo; \/&amp;gt;&lt;br \/&gt;\u710a\u63a54340\u92fc&lt;\/p&gt;&lt;p&gt;\u9664\u4e86\u5b83\u5011\u7684\u5bb6\u65cf\u5916\uff0c86XX \u5bb6\u65cf\u4e2d\u7684\u92fc\u4e5f\u88ab\u8a8d\u70ba\u662f\u53ef\u71b1\u8655\u7406\u7684\uff0c\u56e0\u6b64\uff0c\u60a8\u6703\u767c\u73fe\u5b83\u5011\u540c\u6a23\u6709\u6548\u4e14\u6613\u65bc\u710a\u63a5\u3002&lt;\/p&gt;&lt;p&gt;\u4f46\u662f\uff0c\u60a8\u5fc5\u9808\u6ce8\u610f\uff0c\u710a\u63a5\u6642\u5fc5\u9808\u5c07\u6750\u6599\u9810\u71b1\u81f3\u5927\u7d04 200 \u81f3 300 \u651d\u6c0f\u5ea6\u3002\u9019\u662f\u70ba\u4e86\u78ba\u4fdd\u6750\u6599\u6216\u57fa\u6750\u5728\u710a\u63a5\u6642\u4fdd\u6301\u4e0d\u8b8a\u3002&lt;\/p&gt;&lt;h2&gt;&lt;span id=\"how_do_you_harden_4340_steel\"><strong><b>\u5982\u4f55\u786c\u5316 4340 \u92fc\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u5c31\u50cf\u4e0d\u540c\u985e\u578b\u7684\u92fc\u4e00\u6a23\uff0c\u60a8\u5c07\u7372\u5f97\u7684 4340 \u92fc\u53ef\u4ee5\u901a\u904e\u5e7e\u7a2e\u4e0d\u540c\u7684\u8655\u7406\u5de5\u85dd\u548c\u65b9\u6cd5\u9032\u884c\u786c\u5316\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1517 entered exited\" src=\"\u6578\u64da\uff1a\uff1bbase64\uff0c&lt;svg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; viewbox=&#039;0 0 1028 868&#039;&gt;&lt;\/svg&gt;&rdquo; alt=&rdquo;\u4f60\u5982\u4f55\u786c\u5316 4340 \u92fc&rdquo; width=&rdquo;1028&Prime; height=&rdquo;868&Prime; data-lazy-srcset=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/How-Do- You-Harden-4340-Steel.jpg 1028w\uff0chttps:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/How-Do-You-Harden-4340-Steel-300&times;253.jpg 300w\uff0chttps\uff1a \/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/How-Do-You-Harden-4340-Steel-768&times;648.jpg 768w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021 \/03\/How-Do-You-Harden-4340-Steel-14&times;12.jpg 14w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/How-Do-You-Harden-4340- Steel-705&times;595.jpg 705w&rdquo; data-lazy-sizes=&rdquo;(max-width: 1028px) 100vw, 1028px&rdquo; data-lazy-src=&rdquo; https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/ 03\/How-Do-You-Harden-4340-Steel.jpg&rdquo; \/&amp;gt;&lt;br \/&gt;4340\u92fc\u6dec\u706b\u5de5\u85dd&lt;\/p&gt;&lt;p&gt;\u60a8\u53ef\u4ee5\u9078\u64c7\u901a\u904e\u6c34\u6dec\u6216\u6cb9\u6dec\u9032\u884c\u8868\u9762\u786c\u5316\u3002\u5982\u679c\u60a8\u9078\u64c7\u5c07\u5176\u6c34\u6dec\uff0c\u60a8\u53ef\u4ee5\u671f\u671b\u60a8\u7684 4340 \u92fc\u786c\u5316\u5230\u5927\u7d04 58 HRC\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u6cb9\u6dec\u5c07\u4f7f\u5176\u786c\u5ea6\u9054\u5230 53 \u81f3 55 HRC\u3002&lt;\/p&gt;&lt;h2&gt;&lt;span id=\"how_strong_is_4340_steel\"><strong><b>4340 \u92fc\u7684\u5f37\u5ea6\u5982\u4f55\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u92fc\u7684\u5f37\u5ea6\u662f\u92fc\u80fd\u5920\u627f\u53d7\u7684\u61c9\u529b\u7684\u5b9a\u91cf\u6e2c\u91cf\u3002\u5b83\u53ef\u4ee5\u4f86\u81ea\u65b7\u88c2\uff08\u62c9\u4f38\u5f37\u5ea6\uff09\u6216\u8b8a\u5f62\uff08\u5c48\u670d\u5f37\u5ea6\uff09\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u7c21\u55ae\u7684\u7406\u89e3\u70ba\uff0c\u92fc\u6750\u5bb9\u6613\u958b\u88c2\uff0c\u5c31\u662f\u5f37\u5ea6\u4f4e\u3002<\/p>\n<h2><span id=\"What_is_the_Stress_Relieving_Process_of_4340_Steel\"><strong><b>4340 \u92fc\u7684\u61c9\u529b\u6d88\u9664\u904e\u7a0b\u662f\u4ec0\u9ebc\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u9810\u786c4340\u92fc\u7684\u61c9\u529b\u6d88\u9664\u7a0b\u5e8f\u53ef\u901a\u904e\u5c07\u92fc\u52a0\u71b1\u81f3\u7d04500\u81f3550\u651d\u6c0f\u5ea6\u4f86\u7372\u5f97\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1520 entered exited\" src=\"\u6578\u64da\uff1a\uff1bbase64\uff0c&lt;svg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; viewbox=&#039;0 0 600 421&#039;&gt;&lt;\/svg&gt;&rdquo; alt=&rdquo;4340\u92fc\u7684\u53bb\u61c9\u529b\u5de5\u85dd\u662f\u4ec0\u9ebc&rdquo; width=&rdquo;600&Prime; height=&rdquo;421&Prime; data-lazy-srcset=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What -is-the-Stress-Relieving-Process-of-4340-Steel.png 600w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Stress-Relieving-Process- of-4340-Steel-300&times;211.png 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-the-Stress-Relieving-Process-of-4340-Steel-16 &times;12.png 16w&rdquo; data-lazy-sizes=&rdquo;(max-width: 600px) 100vw, 600px&rdquo; data-lazy-src=&rdquo; https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What -is-the-Stress-Relieving-Process-of-4340-Steel.png&rdquo; \/&amp;gt;&lt;br \/&gt;\u4ec0\u9ebc\u662f\u6e1b\u58d3\u904e\u7a0b&lt;\/p&gt;&lt;p&gt;\u7136\u5f8c\uff0c\u5b83\u61c9\u8a72\u88ab\u52a0\u71b1\u4e26\u4fdd\u6301\uff0c\u76f4\u5230\u6574\u500b\u6750\u6599\u7684\u6eab\u5ea6\u76f8\u540c\u6216\u5747\u52fb\u3002&lt;\/p&gt;&lt;p&gt;\u9019\u5c31\u662f4340\u92fc\u61c9\u529b\u6d88\u9664\u5de5\u85dd\u7684\u4e00\u822c\u7a0b\u5e8f\u3002&lt;\/p&gt;&lt;h2&gt;&lt;span id=\"what_hardness_can_you_achieve_by_nitriding_4340_steel\"><strong><b>\u901a\u904e\u6c2e\u5316 4340 \u92fc\u53ef\u4ee5\u9054\u5230\u4ec0\u9ebc\u786c\u5ea6\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u5982\u679c\u60a8\u4e0d\u77e5\u9053\u4ec0\u9ebc\u662f\u6ef2\u6c2e\uff0c\u5b83\u662f\u5c07\u92fc\u8207\u6c28\u7b49\u542b\u6c2e\u6750\u6599\u4e00\u8d77\u52a0\u71b1\u7684\u904e\u7a0b\u3002\u9019\u6a23\u505a\u7684\u76ee\u7684\u662f\u589e\u52a0\u92fc\u7684\u8010\u8150\u8755\u6027\u548c\u786c\u5ea6\u3002<\/p>\n<p>\u6c2e\u5316 4340 \u92fc\u5be6\u969b\u4e0a\u53ef\u4ee5\u5e6b\u52a9\u60a8\u7372\u5f97 600 \u5230 650 HV \u5de6\u53f3\u7684\u786c\u5ea6\u6a19\u5ea6\u3002<\/p>\n<h2><span id=\"Can_You_Weld_Stress_Proof_Steel\"><strong><b>\u4f60\u80fd\u710a\u63a5\u8010\u58d3\u92fc\u55ce\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u8010\u61c9\u529b\u92fc\u662f\u4e00\u7a2e\u5177\u6709\u4e2d\u7b49\u78b3\u542b\u91cf\u548c\u6613\u52a0\u5de5\u80fd\u529b\u7684\u92fc\uff0c\u5df2\u9032\u884c\u51b7\u8ecb\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-1516 entered exited\" src=\"\u6578\u64da\uff1a\uff1bbase64\uff0c&lt;svg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; viewbox=&#039;0 0 430 264&#039;&gt;&lt;\/svg&gt;&rdquo; alt=&rdquo;\u4f60\u80fd\u710a\u63a5\u8010\u58d3\u92fc\u55ce&rdquo; width=&rdquo;430&Prime; height=&rdquo;264&Prime; data-lazy-srcset=&rdquo; https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You- Weld-Stress-Proof-Steel.jpg 430w\uff0chttps:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-Stress-Proof-Steel-300&times;184.jpg 300w\uff0chttps\uff1a \/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-Stress-Proof-Steel-16&times;10.jpg 16w&rdquo; data-lazy-sizes=&rdquo;(max-width: 430px) 100vw , 430px&rdquo; data-lazy-src=&rdquo;https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Can-You-Weld-Stress-Proof-Steel.jpg&rdquo; \/&amp;gt;&lt;br \/&gt;\u6297\u58d3\u92fc&lt;\/p&gt;&lt;p&gt;\u96d6\u7136\u8a31\u591a\u4eba\u8a8d\u70ba\u6297\u58d3\u92fc\u4e0d\u53ef\u710a\u63a5\uff0c\u4f46\u5b83\u5011\u5be6\u969b\u4e0a\u53ef\u4ee5\u3002\u4e0d\u904e\uff0c\u60a8\u5fc5\u9808\u5c0f\u5fc3\uff0c\u8207 4340 \u92fc\u4e0d\u540c\uff0c\u710a\u63a5\u6297\u58d3\u92fc\u4ecd\u7136\u6703\u7559\u4e0b\u4e00\u7d72\u786b\u78fa\u3002&lt;\/p&gt;&lt;h2&gt;&lt;span id=\"forging_of_4340_steel\"><strong><b>4340 \u92fc\u7684\u935b\u9020<\/b><\/strong><\/span><\/h2>\n<p>\u5728\u935b\u9020\u6216\u88fd\u9020 4340 \u92fc\u6642\uff0c\u57fa\u790e\u92fc\u9700\u8981\u5728\u5927\u7d04 1,150 \u651d\u6c0f\u5ea6\u81f3 1,200 \u651d\u6c0f\u5ea6\u7684\u6eab\u5ea6\u4e0b\u9032\u884c\u9810\u71b1\u3002<\/p>\n<p>\u9019\u662f\u6700\u9069\u5408\u935b\u9020\u7684\u6eab\u5ea6\uff0c\u4e26\u4e14\u5fc5\u9808\u4fdd\u6301\u5230\u6574\u500b\u92fc\u7684\u6eab\u5ea6\u5747\u52fb\u70ba\u6b62\u3002<\/p>\n<p><strong>\u8b66\u544a\uff1a\u00a0<\/strong>\u907f\u514d\u5728 850 \u651d\u6c0f\u5ea6\u4ee5\u4e0b\u935b\u9020\uff0c\u56e0\u70ba\u9700\u8981\u59cb\u7d42\u7167\u9867\u5176\u7279\u6027\u548c\u7279\u6027\u3002<\/p>\n<h2><span id=\"Should_You_Cool_4340_Steel_in_Air\"><strong><b>\u60a8\u61c9\u8a72\u5728\u7a7a\u6c23\u4e2d\u51b7\u537b 4340 \u92fc\u55ce\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u935b\u9020\u5f8c\u6700\u597d\u548c\u6700\u63a8\u85a6\u7684\u51b7\u537b\u65b9\u6cd5\u662f\u7528\u4e7e\u77f3\u7070\u6216\u6c99\u5b50\u51b7\u537b\u5b83\u5011\u3002<\/p>\n<p>\u9019\u6a23\u92fc\u5c31\u4e0d\u5bb9\u6613\u958b\u88c2\u3001\u640d\u58de\u7b49\u3002<\/p>\n<h2><span id=\"Is_4340_Steel_Corrosion_Resistant\"><strong><b>4340 \u92fc\u662f\u5426\u8010\u8150\u8755\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u92fc\u7684\u8010\u8150\u8755\u6027\u7531\u5b58\u5728\u7684\u927b\u542b\u91cf\u6c7a\u5b9a\u3002<\/p>\n<p>4340 \u92fc\u7684\u927b\u542b\u91cf\u5f9e\u6700\u4f4e 0.6 \u5230 1.40% \u4e0d\u7b49\u3002\u5b83\u7684\u8010\u8150\u8755\u6027\u80fd\u76f8\u7576\u4e0d\u932f\uff0c\u4f46\u4e26\u4e0d\u662f\u6700\u597d\u7684\u3002\u6700\u597d\u7684\u4ecd\u7136\u662f\u4e0d\u92b9\u92fc\uff0c\u56e0\u70ba\u5b83\u5011\u542b\u6709 10% \u53ca\u66f4\u9ad8\u6c34\u5e73\u7684\u927b\u3002<\/p>\n<p>\u9019\u5c31\u5f15\u51fa\u4e86\u6211\u5011\u7684\u4e0b\u4e00\u500b\u554f\u984c\uff0c\u90a3\u5c31\u662f\u2026\u2026<\/p>\n<h2><span id=\"Is_4340_a_Stainless_Steel\"><strong><b>4340 \u662f\u4e0d\u92b9\u92fc\u55ce\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u4e0d\uff0c4340 \u4e0d\u662f\u4e0d\u92b9\u92fc\u7684\u4e00\u7a2e\u985e\u578b\u6216\u5206\u985e\u3002\u76f8\u53cd\uff0c\u5b83\u662f\u4e00\u7a2e\u5408\u91d1\u92fc\uff0c\u56e0\u70ba\u5b83\u542b\u6709\u5404\u7a2e\u5408\u91d1\u5143\u7d20\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1518 entered lazyloaded\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel.jpg\" sizes=\"(max-width: 800px) 100vw, 800px\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel.jpg 800w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-300x200.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-768x512.jpg 768w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-16x12.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-705x470.jpg 705w\" alt=\"\u662f 4340 \u4e0d\u92b9\u92fc\" width=\"800\" height=\"533\" data-lazy-srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel.jpg 800w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-300x200.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-768x512.jpg 768w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-16x12.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel-705x470.jpg 705w\" data-lazy-sizes=\"(max-width: 800px) 100vw, 800px\" data-lazy-src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/Is-4340-a-Stainless-Steel.jpg\" data-ll-status=\"loaded\" \/><br \/>\n\u4e0d\u540c\u5f62\u5f0f\u548c\u5f62\u72c0\u7684\u4e0d\u92b9\u92fc<\/p>\n<p>\u53ea\u6709\u7576\u927b\u542b\u91cf\u70ba 10.5% \u53ca\u4ee5\u4e0a\u6642\uff0c\u92fc\u624d\u6703\u88ab\u7a31\u70ba\u4e0d\u92b9\u92fc\u4e26\u6b78\u985e\u70ba\u4e0d\u92b9\u92fc\u3002<\/p>\n<h2><span id=\"What_is_300M_Steel\"><strong><b>\u4ec0\u9ebc\u662f 300M \u92fc\uff1f<\/b><\/strong><\/span><\/h2>\n<p>300M \u92fc\u662f\u4e00\u7a2e\u771f\u7a7a\u7194\u7149\u7684\u4f4e\u5408\u91d1\u92fc\uff0c\u5177\u6709\u9ad8\u5f37\u5ea6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1519 entered lazyloaded\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel.jpg\" sizes=\"(max-width: 373px) 100vw, 373px\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel.jpg 373w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel-300x250.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel-14x12.jpg 14w\" alt=\"\u4ec0\u9ebc\u662f300m\u92fc\" width=\"373\" height=\"311\" data-lazy-srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel.jpg 373w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel-300x250.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel-14x12.jpg 14w\" data-lazy-sizes=\"(max-width: 373px) 100vw, 373px\" data-lazy-src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/What-is-300M-Steel.jpg\" data-ll-status=\"loaded\" \/><br \/>\n300M \u92fc\u7684\u793a\u4f8b\u5716\u50cf<\/p>\n<p>\u5b83\u8207 4340 \u92fc\u904e\u5ea6\u9023\u63a5\u7684\u539f\u56e0\u662f\u56e0\u70ba\u5b83\u662f\u5c0d AISI 4340 \u92fc\u7684\u6539\u9032\u3002<\/p>\n<p>300M \u662f\u4e00\u7a2e\u92fc\u985e\u578b\uff0c\u5305\u542b\u6dfb\u52a0\u7684\u91e9\u548c\u77fd\u5408\u91d1\u5143\u7d20\uff0c\u4ee5\u53ca\u984d\u5916\u7684\u926c\u548c\u78b3\u542b\u91cf\u3002<\/p>\n<p>\u9019\u7a2e\u7279\u6b8a\u7684\u92fc\u5177\u6709\u826f\u597d\u7684\u5f37\u5ea6\u7d44\u5408\uff0c\u7bc4\u570d\u70ba 1,930 \u81f3 2,100 MPa\u3002<\/p>\n<h2><span id=\"How_Hard_Can_Mild_Steel_Get\"><strong><b>\u4f4e\u78b3\u92fc\u6709\u591a\u786c\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u53ea\u6709\u9435\u7d20\u9ad4\u4e0d\u92b9\u92fc\u662f\u4e0d\u80fd\u901a\u904e\u71b1\u8655\u7406\u786c\u5316\u7684\u92fc\u7a2e\u3002<\/p>\n<p>\u7406\u60f3\u60c5\u6cc1\u4e0b\uff0c\u7d93\u904e\u6ef2\u78b3\u8655\u7406\u7684\u4f4e\u78b3\u92fc\u5177\u6709\u67d4\u8edf\u7684\u6838\u5fc3\u548c\u6975\u5176\u786c\u5316\u7684\u8868\u9762\u3002\u9019\u57fa\u672c\u4e0a\u610f\u5473\u8457\u5916\u90e8\u7684\u4f4e\u78b3\u542b\u91cf\u6703\u63a9\u84cb\u4e0d\u90a3\u9ebc\u5805\u786c\u6216\u5805\u97cc\u7684\u6838\u5fc3\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u4f4e\u78b3\u92fc\u6700\u591a\u53ea\u80fd\u9054\u5230 35 \u81f3 40 HRC\u3002<\/p>\n<h2><span id=\"What_is_the_Machinability_of_4340_Steel\"><strong><b>4340 \u92fc\u7684\u6a5f\u68b0\u52a0\u5de5\u6027\u80fd\u5982\u4f55\uff1f<\/b><\/strong><\/span><\/h2>\n<p>4340 \u92fc\u7684\u5207\u524a\u52a0\u5de5\u7387\u6216\u6c34\u5e73\u5be6\u969b\u4e0a\u662f\u6700\u597d\u7684\u4e4b\u4e00\u3002\u7531\u65bc\u5b83\u7684\u78b3\u542b\u91cf\u8f03\u4f4e\uff0c\u56e0\u6b64\u5b83\u4e0d\u50cf\u90a3\u4e9b\u78b3\u542b\u91cf\u8f03\u9ad8\u7684\u92fc\u90a3\u6a23\u5805\u786c\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5728\u5e7e\u4e4e\u6240\u6709\u60c5\u6cc1\u4e0b\uff0c\u52a0\u5de5\u6216\u6210\u578b 4340 \u92fc\u90fd\u5fc5\u9808\u9032\u884c\u67d0\u4e9b\u8abf\u6574\u3002\u9019\u662f\u70ba\u4e86\u4f7f\u6750\u6599\u5177\u6709\u78ba\u5b9a\u7684\u5f62\u72c0\u6216\u5f62\u5f0f\uff0c\u800c\u4e0d\u662f\u5177\u6709\u201c\u5f37\u5236\u201d\u5916\u89c0\u985e\u578b\u7684\u611f\u89ba\u3002<\/p>\n<h2><span id=\"Can_you_heat_treat_4340\">\u60a8\u53ef\u4ee5\u5c0d 4340 \u9032\u884c\u71b1\u8655\u7406\u55ce\uff1f<\/span><\/h2>\n<p>4340\u92fc\u662f\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u5408\u91d1\uff0c\u53ef\u4ee5\u9032\u884c\u71b1\u8655\u7406\u4ee5\u63d0\u4f9b\u5353\u8d8a\u7684\u97cc\u6027\u548c\u5f37\u5ea6\u3002\u8a72\u5408\u91d1\u5177\u6709\u512a\u826f\u7684\u6dec\u900f\u6027\uff0c\u53ef\u9032\u884c\u6dec\u706b\u548c\u56de\u706b\u4ee5\u9054\u5230\u5ee3\u6cdb\u7684\u6a5f\u68b0\u6027\u80fd\u3002 4340\u92fc\u5e38\u7528\u65bc\u9700\u8981\u9ad8\u5f37\u5ea6\u548c\u97cc\u6027\u7684\u61c9\u7528\uff0c\u4f8b\u5982\u9f52\u8f2a\u3001\u8ef8\u548c\u9023\u687f\u3002\u92fc\u4e5f\u53ef\u4ee5\u710a\u63a5\uff0c\u4f7f\u5176\u6210\u70ba\u88fd\u9020\u548c\u7dad\u4fee\u7684\u7406\u60f3\u9078\u64c7\u3002 4340 \u92fc\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u65b9\u6cd5\u9032\u884c\u71b1\u8655\u7406\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u6240\u9700\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c4340 \u92fc\u53ef\u4ee5\u5728 870-900\u00b0C \u4e0b\u9032\u884c\u5967\u6c0f\u9ad4\u5316\uff0c\u7136\u5f8c\u9032\u884c\u6cb9\u6dec\u6216\u6c34\u6dec\u3002\u9019\u5c07\u7522\u751f\u5177\u6709\u512a\u7570\u5f37\u5ea6\u548c\u97cc\u6027\u7684\u7cbe\u7d30\u99ac\u6c0f\u9ad4\u986f\u5fae\u7d44\u7e54\u3002 4340\u92fc\u4e5f\u53ef\u4ee5\u6ef2\u78b3\u4ee5\u9054\u5230\u66f4\u9ad8\u7684\u5f37\u5ea6\u548c\u786c\u5ea6\u3002\u6ef2\u78b3\u6642\uff0c4340 \u92fc\u901a\u5e38\u5728\u542b\u78b3\u6c23\u9ad4\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u52a0\u71b1\u5230 900-940\u00b0C\u3002\u9019\u500b\u904e\u7a0b\u5c07\u78b3\u64f4\u6563\u5230\u92fc\u7684\u8868\u9762\uff0c\u589e\u52a0\u4e86\u5408\u91d1\u7684\u786c\u5ea6\u548c\u5f37\u5ea6\u3002\u6ef2\u78b3 4340 \u92fc\u901a\u5e38\u7528\u65bc\u9700\u8981\u6975\u9ad8\u5f37\u5ea6\u7684\u61c9\u7528\uff0c\u4f8b\u5982\u9ad8\u6027\u80fd\u767c\u52d5\u6a5f\u7684\u9f52\u8f2a\u548c\u8ef8\u3002<\/p>\n<h2><span id=\"4340_Steel_Equivalents\"><strong><b>4340 \u92fc\u7576\u91cf<\/b><\/strong><\/span><\/h2>\n<p>\u8207\u5176\u4ed6\u7b49\u7d1a\u7684\u92fc\u985e\u4f3c\uff0c4340 \u92fc\u5728\u5176\u4ed6\u6a19\u6e96\u4e2d\u4e5f\u6709\u7b49\u50f9\u7269\u3002\u4f46\u662f\uff0c\u60a8\u5fc5\u9808\u6ce8\u610f\uff0c\u50c5\u50c5\u56e0\u70ba\u5b83\u5011\u88ab\u6a19\u8a18\u70ba\u201c\u7b49\u50f9\u7269\u201d\uff0c\u5b83\u5011\u4e0d\u5305\u542b\u6bcf\u7a2e\u5408\u91d1\u5143\u7d20\u7684\u78ba\u5207\u6578\u91cf\u6216\u542b\u91cf\u6c34\u5e73\u3002<\/p>\n<p>4340 \u92fc\u7684\u7b49\u50f9\u7269\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>41NiCrMo7-3-2<\/li>\n<li>DIN 1.6563<\/li>\n<li>SNCM439<\/li>\n<li>36CrNiMo4<\/li>\n<\/ul>\n<h2><span id=\"4340_Steels_Supply_Forms\"><strong><b>4340 \u92fc\u6750\u4f9b\u61c9\u8868\u683c<\/b><\/strong><\/span><\/h2>\n<p>\u60a8\u53ef\u4ee5\u8cfc\u8cb7\u5713\u68d2\u3001\u677f\u6750\u3001\u8584\u677f\u3001\u65b9\u68d2\u3001\u516d\u89d2\u68d2\u7b49 4340 \u92fc\u6750\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u60a8\u4e5f\u53ef\u4ee5\u9078\u64c7\u6839\u64da\u60a8\u7684\u9700\u8981\u5b9a\u5236\u5b83\u5011\uff01\u00a0<strong>\u00a0<\/strong><\/p>\n<h2><span id=\"4340_Steel_Bar\">4340 \u92fc\u68d2<\/span><\/h2>\n<p>4340\u92fc\u7b4b\u662f\u4e00\u7a2e\u542b\u6709\u927b\u3001\u926c\u548c\u9333\u7684\u92fc\u6750\u3002\u5b83\u662f\u4e00\u7a2e\u8010\u7528\u7684\u5408\u91d1\uff0c\u5e38\u7528\u65bc\u9ad8\u5f37\u5ea6\u61c9\u7528\u3002 4340 \u92fc\u7b4b\u5177\u6709\u9ad8\u97cc\u6027\u548c\u6297\u62c9\u5f37\u5ea6\uff0c\u975e\u5e38\u9069\u5408\u7528\u65bc\u8ef8\u3001\u9f52\u8f2a\u548c\u5176\u4ed6\u95dc\u9375\u90e8\u4ef6\u3002 4340 \u92fc\u7b4b\u9084\u8010\u78e8\u640d\u548c\u8010\u8150\u8755\uff0c\u4f7f\u5176\u6210\u70ba\u5de5\u696d\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002 4340 \u92fc\u7b4b\u6709\u591a\u7a2e\u5c3a\u5bf8\u548c\u5f62\u72c0\u53ef\u4f9b\u9078\u64c7\uff0c\u8b93\u60a8\u8f15\u9b06\u627e\u5230\u9069\u5408\u60a8\u9700\u6c42\u7684\u9078\u9805\u3002 4340 \u92fc\u7b4b\u662f\u8981\u6c42\u9ad8\u5f37\u5ea6\u548c\u8010\u7528\u6027\u61c9\u7528\u7684\u7d55\u4f73\u9078\u64c7\u3002<\/p>\n<h2><span id=\"4340_Steel_Alloy_Plate\">4340\u92fc\u5408\u91d1\u677f<\/span><\/h2>\n<p>4340\u92fc\u5408\u91d1\u677f\u662f\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u5408\u91d1\uff0c\u5177\u6709\u512a\u826f\u7684\u97cc\u6027\u548c\u5ef6\u5c55\u6027\u3002\u7531\u65bc\u5176\u5f37\u5ea6\u3001\u97cc\u6027\u548c\u8010\u78e8\u6027\u7684\u826f\u597d\u5e73\u8861\uff0c\u5b83\u88ab\u7528\u65bc\u5404\u7a2e\u884c\u696d\u3002 4340 \u92fc\u5408\u91d1\u677f\u53ef\u4ee5\u9032\u884c\u71b1\u8655\u7406\u4ee5\u7372\u5f97\u5ee3\u6cdb\u7684\u6027\u80fd\uff0c\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u7406\u60f3\u9078\u64c7\u3002 4340 \u92fc\u5408\u91d1\u677f\u7684\u9ad8\u5f37\u5ea6\u548c\u97cc\u6027\u4f7f\u5176\u6210\u70ba\u7528\u65bc\u7d50\u69cb\u61c9\u7528\u7684\u7d55\u4f73\u9078\u64c7\uff0c\u4f8b\u5982\u6c7d\u8eca\u548c\u822a\u7a7a\u822a\u5929\u5de5\u696d\u3002 4340\u92fc\u5408\u91d1\u677f\u4e5f\u5e38\u7528\u65bc\u8010\u78e8\u6027\u5f88\u91cd\u8981\u7684\u61c9\u7528\uff0c\u4f8b\u5982\u63a1\u7926\u548c\u77f3\u6cb9\u548c\u5929\u7136\u6c23\u884c\u696d\u3002 4340 \u92fc\u5408\u91d1\u677f\u6709\u591a\u7a2e\u5c3a\u5bf8\u548c\u539a\u5ea6\u53ef\u4f9b\u9078\u64c7\uff0c\u4ee5\u6eff\u8db3\u4efb\u4f55\u61c9\u7528\u7684\u8981\u6c42\u3002<\/p>\n<h1>4340\u92fc\u68d2<\/h1>\n<p>4340 \u92fc\u68d2\u662f\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u5408\u91d1\uff0c\u901a\u5e38\u7528\u65bc\u9700\u8981\u9ad8\u5f37\u5ea6\u548c\u97cc\u6027\u7684\u61c9\u7528\u4e2d\u3002\u8a72\u5408\u91d1\u7531\u9435\u3001\u78b3\u3001\u9333\u3001\u927b\u548c\u926c\u7d44\u6210\uff0c\u5177\u6709\u51fa\u8272\u7684\u5f37\u5ea6\u548c\u786c\u5ea6\u3002 4340 \u92fc\u68d2\u901a\u5e38\u7528\u65bc\u88fd\u9020\u8ef8\u3001\u9f52\u8f2a\u548c\u5176\u4ed6\u627f\u53d7\u9ad8\u61c9\u529b\u7684\u96f6\u4ef6\u3002\u6b64\u5916\uff0c4340\u92fc\u68d2\u9084\u53ef\u7528\u65bc\u88fd\u4f5c\u7dca\u56fa\u4ef6\u7b49\u9700\u8981\u6297\u78e8\u640d\u7684\u90e8\u4ef6\u3002\u7531\u65bc\u5f37\u5ea6\u548c\u97cc\u6027\u7684\u7d50\u5408\uff0c4340 \u92fc\u68d2\u662f\u8a31\u591a\u884c\u696d\u5fc5\u4e0d\u53ef\u5c11\u7684\u6750\u6599\u3002<\/p>\n<h2><span id=\"4340_Steel_Forgings\">4340 \u92fc\u935b\u4ef6<\/span><\/h2>\n<p>WALDUN\/4340 \u92fc\u935b\u4ef6\u662f\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7684\u591a\u529f\u80fd\u4e14\u5f37\u5927\u7684\u9078\u64c7\u3002\u935b\u4ef6\u7531\u4ee5\u5f37\u5ea6\u548c\u8010\u7528\u6027\u8457\u7a31\u7684 4340 \u92fc\u88fd\u6210\u3002 4340 \u92fc\u662f\u6613\u78e8\u640d\u96f6\u4ef6\u7684\u7d55\u4f73\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u627f\u53d7\u9ad8\u61c9\u529b\u548c\u91cd\u8f09\u3002 4340 \u92fc\u7684\u53ef\u710a\u6027\u4f7f\u5176\u6613\u65bc\u8207\u5176\u4ed6\u6750\u6599\u9023\u63a5\u5728\u4e00\u8d77\uff0c\u4f7f\u5176\u6210\u70ba\u5ee3\u6cdb\u61c9\u7528\u7684\u591a\u529f\u80fd\u9078\u64c7\u3002 WALDUN\/4340 \u92fc\u935b\u4ef6\u6709\u591a\u7a2e\u5f62\u72c0\u548c\u5c3a\u5bf8\u53ef\u4f9b\u9078\u64c7\uff0c\u4f7f\u5176\u9069\u7528\u65bc\u6c7d\u8eca\u3001\u822a\u7a7a\u822a\u5929\u548c\u570b\u9632\u5de5\u696d\u3002<\/p>\n<h2><span id=\"Do_Manufacturers_Anneal_and_Temper_4340_Steels\"><strong><b>\u88fd\u9020\u5546\u662f\u5426\u5c0d 4340 \u92fc\u9032\u884c\u9000\u706b\u548c\u56de\u706b\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u662f\u7684\uff0cAISI 4340 \u92fc\u53ef\u4ee5\u9032\u884c\u9000\u706b\u548c\u56de\u706b\uff1b\u5b83\u4e5f\u53ef\u4ee5\u662f\u60a8\u7684\u9078\u64c7\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u9078\u64c7\u5c0d\u5176\u9032\u884c\u9000\u706b\uff0c\u4f7f\u92fc\u8b8a\u5f97\u66f4\u9069\u5408\u6a5f\u68b0\u52a0\u5de5\u3002\u60a8\u53ef\u4ee5\u7372\u5f97\u7684\u901a\u5e38\u9000\u706b\u6eab\u5ea6\u70ba 1,525 \u83ef\u6c0f\u5ea6\u6216 830 \u651d\u6c0f\u5ea6\u81f3 1,350 \u83ef\u6c0f\u5ea6\u6216 730 \u651d\u6c0f\u5ea6\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u60a8\u5e0c\u671b 4340 \u92fc\u4e0d\u53d7\u4efb\u4f55\u58d3\u529b\uff0c\u5247\u6700\u597d\u9032\u884c\u56de\u706b\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u9078\u64c7\u5c0d\u5b83\u9032\u884c\u56de\u706b\uff0c\u4f7f\u5176\u9054\u5230\u4e00\u5b9a\u7684\u6a5f\u68b0\u6027\u80fd\u3002<\/p>\n<h2><span id=\"Who_is_the_Best_4340_Steel_Manufacturer_in_the_Market\"><strong><b>\u8ab0\u662f\u5e02\u5834\u4e0a\u6700\u597d\u7684 4340 \u92fc\u88fd\u9020\u5546\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u5982\u679c\u60a8\u60f3\u8207\u4e2d\u570b 4340 \u92fc\u88fd\u9020\u5546\u5408\u4f5c\uff0c\u8acb\u4e0d\u8981\u7336\u8c6b\u00a0<a href=\"https:\/\/waldunsteel.com\/zh_tw\"><u>\u83ef\u9813\u92fc\u9435<\/u><\/a>\u00a0\u4e00\u500b\u96fb\u8a71\u3002\u5728\u6574\u500b\u570b\u5bb6\uff0c\u6211\u5011\u662f\u6700\u597d\u7684\uff0c\u56e0\u70ba\u6211\u5011\u7372\u5f97\u4e86\u8a8d\u8b49\u548c\u734e\u9805\u3002<\/p>\n<p>\u4e8b\u5be6\u4e0a\uff0c\u5982\u679c\u60a8\u9700\u8981\u9810\u88fd\u6216\u5b9a\u5236\u7684 4340 \u548c 4140 \u92fc\uff0c\u60a8\u53ef\u4ee5\u4fe1\u4efb\u6211\u5011\uff01\u6211\u5011\u7684\u7814\u767c (R&amp;D) \u5718\u968a\u59cb\u7d42\u4fdd\u6301\u958b\u653e\u614b\u5ea6\uff0c\u9858\u610f\u70ba\u60a8\u63d0\u4f9b\u5e6b\u52a9\u548c\u5e6b\u52a9\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff01<\/p>\n<h2><span id=\"Can_You_Get_a_Sample_of_the_4340_Steel_Youll_Purchase\"><strong><b>\u60a8\u80fd\u5426\u7372\u5f97\u8981\u8cfc\u8cb7\u7684 4340 \u92fc\u7684\u6a23\u54c1\uff1f<\/b><\/strong><\/span><\/h2>\n<p>\u7d55\u5c0d\u5730\uff01\u60a8\u53ef\u4ee5\u5f9e\u6211\u5011\u9019\u88e1\u8cfc\u8cb7 AISI 4340 \u92fc\u7684\u514d\u8cbb\u6a23\u54c1\uff01\u9019\u53ea\u662f\u6211\u5011\u5411\u60a8\u8b49\u660e\u6211\u5011\u7684\u76ee\u6a19\u548c\u4f7f\u547d\u662f\u63d0\u4f9b\u512a\u8cea\u7522\u54c1\u7684\u4e00\u7a2e\u65b9\u5f0f\uff01<\/p>\n<\/div><\/section><\/div><div  class='flex_column av-av_one_third-f1c518e9ff58e869f80c8f093487abc9 av_one_third  avia-builder-el-2  el_after_av_two_third  avia-builder-el-last  flex_column_div'     ><p><section  class='av_textblock_section av-le47kjab-81f8b197ae42d36203b85e94dfa79513'  ><div class='avia_textblock' >\n<\/div><\/section><br \/>\n<div  class='avia-builder-widget-area clearfix  avia-builder-el-4  el_after_av_textblock  avia-builder-el-last'><section id=\"portfoliobox-2\" class=\"widget clearfix avia-widget-container newsbox\"><h3 class=\"widgettitle\">\u6700\u65b0\u7522\u54c1<\/h3><ul class=\"news-wrap image_size_widget\"><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"\u95b1\u8b80\uff1a60CrMoV18-5 \u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/60crmov18-5-steel\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg\" class=\"wp-image-2212 avia-img-lazy-loading-not-2212 attachment-widget size-widget wp-post-image\" alt=\"1.2358\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-300x300.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-12x12.jpg 12w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-180x180.jpg 180w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-705x705.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358.jpg 750w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"\u95b1\u8b80\uff1a60CrMoV18-5 \u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/60crmov18-5-steel\/\">60CrMoV18-5\u92fc<\/a><span class=\"news-time\">2024 \u5e74 1 \u6708 11 \u65e5 - \u4e0a\u5348 3:02<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"\u95b1\u8b80\uff1a1.2358 \u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/1-2358-steel\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg\" class=\"wp-image-2212 avia-img-lazy-loading-not-2212 attachment-widget size-widget wp-post-image\" alt=\"1.2358\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-300x300.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-12x12.jpg 12w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-180x180.jpg 180w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-705x705.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358.jpg 750w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"\u95b1\u8b80\uff1a1.2358 \u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/1-2358-steel\/\">1.2358\u92fc<\/a><span class=\"news-time\">2024 \u5e74 1 \u6708 11 \u65e5 - \u4e0a\u5348 2:55<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"\u95b1\u8b80\uff1a1045\u51b7\u8ecb\u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/1045\u51b7\u8ecb\u92fc\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-36x36.jpg\" class=\"wp-image-1365 avia-img-lazy-loading-not-1365 attachment-widget size-widget wp-post-image\" alt=\"sae 1045 \u78b3\u92fc\u5713\u68d2\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/SAE-1045-Carbon-Steel-Round-Bars-180x180.jpg 180w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"\u95b1\u8b80\uff1a1045\u51b7\u8ecb\u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/1045\u51b7\u8ecb\u92fc\/\">1045\u51b7\u8ecb\u92fc<\/a><span class=\"news-time\">2023 \u5e74 11 \u6708 1 \u65e5 - 11:32 \u4e0a\u5348<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"\u8b80\u53d6\uff1a46Cr2 \/ 1.7006 \u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/46cr2-1-7006-\u92fc\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-36x36.jpg\" class=\"wp-image-1810 avia-img-lazy-loading-not-1810 attachment-widget size-widget wp-post-image\" alt=\"Steel-C60r-1-1223-Bar-or-Rod-for-Project\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/08\/Steel-C60r-1-1223-Bar-or-Rod-for-Project-180x180.jpg 180w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"\u8b80\u53d6\uff1a46Cr2 \/ 1.7006 \u92fc\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u7522\u54c1\/46cr2-1-7006-\u92fc\/\">46Cr2 \/ 1.7006 \u92fc<\/a><span class=\"news-time\">2023\u5e7410\u670824\u65e5 - \u4e0a\u5348 9:30<\/span><\/div><\/div><\/li><\/ul><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-3\" class=\"widget clearfix widget_text\"><h3 class=\"widgettitle\">\u806f\u7e6b WALDUN \u92fc\u9435\u516c\u53f8<\/h3>\t\t\t<div class=\"textwidget\"><p><strong>\u79fb\u52d5\u7684\uff1a <\/strong><\/p>\n<p>+8618652469606<\/p>\n<p><strong>\u96fb\u5b50\u90f5\u4ef6\uff1a <\/strong><\/p>\n<p>iguhongtao@gmail.com<\/p>\n<\/div>\n\t\t<span class=\"seperator extralight-border\"><\/span><\/section><section id=\"media_image-2\" class=\"widget clearfix widget_media_image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"158\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1.png\" class=\"image wp-image-1937  attachment-full size-full\" alt=\"waldun \u92fc iso 9001 \u6a19\u8a8c 300x158\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1.png 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1-18x9.png 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"elementor-library-3\" class=\"widget clearfix widget_elementor-library\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"758\" class=\"elementor elementor-758\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-467ceff4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"467ceff4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1aa14ba6\" data-id=\"1aa14ba6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5a6a5a86 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5a6a5a86\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:130,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;],&quot;sticky_effects_offset&quot;:0}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-3054e3fa\" data-id=\"3054e3fa\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-715ecb1e elementor-widget elementor-widget-heading\" data-id=\"715ecb1e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u7acb\u5373\u7372\u53d6\u5831\u50f9\uff01<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ecfef16 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"5ecfef16\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"758\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"5ecfef16\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Waldun Steel\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\t\u540d\u7a31\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-xs  elementor-field-textual\" placeholder=\"\u540d\u7a31\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\t\u96fb\u5b50\u90f5\u4ef6\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-xs  elementor-field-textual\" placeholder=\"\u96fb\u5b50\u90f5\u4ef6\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\t\u4fe1\u606f\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-xs\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"\u4fe1\u606f\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u63d0\u4ea4\u60a8\u7684\u8acb\u6c42<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"zh_tw\"\/><\/form>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<span class=\"seperator extralight-border\"><\/span><\/section><\/div><\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1830,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is 4340 Steel - Waldun Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/waldunsteel.com\/zh_tw\/\u4ec0\u9ebc\u662f-4340-\u92fc\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is 4340 Steel - Waldun Steel\" \/>\n<meta property=\"og:url\" content=\"https:\/\/waldunsteel.com\/zh_tw\/\u4ec0\u9ebc\u662f-4340-\u92fc\/\" \/>\n<meta property=\"og:site_name\" content=\"Waldun Steel\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-14T12:15:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-14T12:17:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/10\/AISI-4340-Alloy-Steel-Flat-Bars.webp\" \/>\n\t<meta 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