{"id":1598,"date":"2023-04-30T15:18:29","date_gmt":"2023-04-30T15:18:29","guid":{"rendered":"https:\/\/waldunsteel.com\/?post_type=portfolio&#038;p=1598"},"modified":"2023-11-13T02:54:33","modified_gmt":"2023-11-13T02:54:33","slug":"21crmov5-7-1-7709-steel","status":"publish","type":"portfolio","link":"https:\/\/waldunsteel.com\/ru\/products\/21crmov5-7-1-7709-steel\/","title":{"rendered":"\u0421\u0442\u0430\u043b\u044c 21CrMoV5-7 \/ 1.7709"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_two_third-53b0b300fb3685750664fb085c5ad19d\">\n.flex_column.av-av_two_third-53b0b300fb3685750664fb085c5ad19d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_two_third-53b0b300fb3685750664fb085c5ad19d av_two_third  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-ko4ggj70-f34936a4b6ec1102feea3be609512520 '  ><div class='avia_textblock' ><h1 style=\"text-align: center;\"><img decoding=\"async\" class=\"alignnone wp-image-1599 size-portfolio\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/21CrMoV5-7-1.7709-Steel-495x400.jpg\" alt=\"21CrMoV5-7 1.7709 Steel\" width=\"495\" height=\"400\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/21CrMoV5-7-1.7709-Steel-495x400.jpg 495w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/21CrMoV5-7-1.7709-Steel-16x12.jpg 16w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/04\/21CrMoV5-7-1.7709-Steel-845x684.jpg 845w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><\/h1>\n<h1 style=\"text-align: center;\">21CrMoV5-7 \/ 1.7709 Steel<\/h1>\n<h2><strong><b>Chemical Composition per EN 10269<\/b><\/strong><\/h2>\n<table width=\"1457\">\n<tbody>\n<tr>\n<td width=\"171\">GRADE<\/td>\n<td width=\"116\">NUMBER<\/td>\n<td width=\"116\">C<\/td>\n<td width=\"116\">Si<\/td>\n<td width=\"116\">Mn<\/td>\n<td width=\"116\">P<\/td>\n<td width=\"116\">S<\/td>\n<td width=\"116\">Cr<\/td>\n<td width=\"116\">Mo<\/td>\n<td width=\"116\">Ni<\/td>\n<td width=\"116\">V<\/td>\n<td width=\"116\">Al<\/td>\n<\/tr>\n<tr>\n<td>21CrMoV5-7<\/td>\n<td>1.7709<\/td>\n<td>0.17-0.25<\/td>\n<td>\u2264 0.40<\/td>\n<td>0.40-0.80<\/td>\n<td>\u2264 0.025<\/td>\n<td>\u2264 0.030<\/td>\n<td>1.20-1.50<\/td>\n<td>0.55-0.80<\/td>\n<td>\u2264 0.60<\/td>\n<td>0.20-0.35<\/td>\n<td>\u2264 0.030<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel Description <\/b><\/strong><\/h2>\n<p>Special structural steel. We can supply the 21CrMoV5-7 round bar, steel flat bar, plate, hexagonal steel bar and steel square block. 21CrMoV5-7 steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces. 21CrMoV5-7 Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.<\/p>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel Applications <\/b><\/strong><\/h2>\n<p>21CrMoV5-7 steel is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,21CrMoV5-7 steel can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc<\/p>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel Mechanical Properties <\/b><\/strong><\/h2>\n<table border=\"1\" width=\"730\" cellspacing=\"0\" cellpadding=\"4\" align=\"center\">\n<tbody>\n<tr align=\"center\" bgcolor=\"#f0f0f0\">\n<td width=\"40%\"><b>Rm<\/b>\u00a0&#8211; Tensile strength (MPa) (+QT)<\/td>\n<td><b>700-850<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"1\" width=\"730\" cellspacing=\"0\" cellpadding=\"4\" align=\"center\">\n<tbody>\n<tr align=\"center\" bgcolor=\"#f0f0f0\">\n<td width=\"40%\"><b>R<sub>p0.2<\/sub><\/b>\u00a00.2% proof strength (MPa) (+QT)<\/td>\n<td><b>550<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"1\" width=\"730\" cellspacing=\"0\" cellpadding=\"4\" align=\"center\">\n<tbody>\n<tr align=\"center\" bgcolor=\"#f0f0f0\">\n<td width=\"40%\"><b>KV<\/b>\u00a0&#8211; Impact energy (J) (+QT)<\/td>\n<td><b>+20\u00b0<br \/>\n63<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"1\" width=\"730\" cellspacing=\"0\" cellpadding=\"4\" align=\"center\">\n<tbody>\n<tr align=\"center\" bgcolor=\"#f0f0f0\">\n<td width=\"40%\"><b>A<\/b>\u00a0&#8211; Min. elongation at fracture (%) (+QT)<\/td>\n<td><b>16<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"1\" width=\"730\" cellspacing=\"0\" cellpadding=\"4\" align=\"center\">\n<tbody>\n<tr align=\"center\" bgcolor=\"#f0f0f0\">\n<td width=\"40%\"><b>Z<\/b>\u00a0&#8211; Reduction in cross section on fracture (%) (+QT)<\/td>\n<td><b>60<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"1\" width=\"730\" cellspacing=\"0\" cellpadding=\"4\" align=\"center\" bgcolor=\"#f0f0f0\">\n<tbody>\n<tr>\n<td align=\"center\" width=\"40%\">\u00a0 Brinell hardness \u00a0 (HBW): \u00a0 (+AC)<\/td>\n<td align=\"center\"><b>229<\/b><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" width=\"40%\">\u00a0 Brinell hardness \u00a0 (HBW): \u00a0 (+S)<\/td>\n<td align=\"center\"><b>255<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel <\/b><\/strong><strong><b>A<\/b><\/strong><strong><b>vailable Shapes<\/b><\/strong><strong><b>\u00a0\u00a0<\/b><\/strong><\/h2>\n<p>Black bar \/Flat bar\u00a0\/\u00a0Square bar \/Pipe,\u00a0\/Steel strip, \/sheet<\/p>\n<p>Bright &#8211; peeled + polishing, centerless grinding<\/p>\n<p>Forged &#8211; ring, tube, pipe casing, discs, shaft<\/p>\n<h2><strong><b>Physical properties (average values) at ambient temperature <\/b><\/strong><\/h2>\n<p>Modulus of elasticity [103 x N\/mm2 ]: 210 Density [g\/cm3 ]: 7.80 Continuous Cooling Transformation (CCT)<\/p>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel <\/b><\/strong><strong><b>Soft Annealing <\/b><\/strong><\/h2>\n<p>Heat to 650-740\u00a0degree, cool slowly.<\/p>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel <\/b><\/strong><strong><b>Hardening <\/b><\/strong><\/h2>\n<p>Harden from a temperature of 900-950\u00a0degree\u00a0followed by oil or air quenching.<\/p>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel <\/b><\/strong><strong><b>Tempering <\/b><\/strong><\/h2>\n<p>Tempering temperature: 680-740\u00a0degree.<\/p>\n<h2 style=\"text-align: left;\"><strong><b>21CrMoV5-7 \/ 1.7709 Steel <\/b><\/strong><strong><b>F<\/b><\/strong><strong><b>orging <\/b><\/strong><\/h2>\n<p>Hot forming temperature: 1100-850degree.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_third-7984035d50f0055e2d8c0f71fa3ebd04\">\n.flex_column.av-av_one_third-7984035d50f0055e2d8c0f71fa3ebd04{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  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\u0434\u043f<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb ' title=\"Read: 1.2358 Steel\" href=\"https:\/\/waldunsteel.com\/ru\/products\/1-2358-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" 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, 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class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-3\" class=\"widget clearfix widget_text\"><h3 class=\"widgettitle\">CONTACT WALDUN STEEL<\/h3>\t\t\t<div class=\"textwidget\"><p><strong>Mobile: <\/strong><\/p>\n<p>+8618652469606<\/p>\n<p><strong>Email: <\/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 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 steel iso 9001 logo 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><\/div><\/p><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1599,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[30],"class_list":["post-1598","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-alloysteel"],"_links":{"self":[{"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/portfolio\/1598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/comments?post=1598"}],"version-history":[{"count":0,"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/portfolio\/1598\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/media\/1599"}],"wp:attachment":[{"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/media?parent=1598"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/tags?post=1598"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/waldunsteel.com\/ru\/wp-json\/wp\/v2\/portfolio_entries?post=1598"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}