{"id":1609,"date":"2023-05-07T23:19:01","date_gmt":"2023-05-07T23:19:01","guid":{"rendered":"https:\/\/waldunsteel.com\/?post_type=portfolio&#038;p=1609"},"modified":"2023-11-13T02:50:27","modified_gmt":"2023-11-13T02:50:27","slug":"34crmo4-1-7220-acier","status":"publish","type":"portfolio","link":"https:\/\/waldunsteel.com\/fr\/products\/34crmo4-1-7220-steel\/","title":{"rendered":"34CrMo4 \/ 1.7220 Acier"},"content":{"rendered":"<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-koexuww4-637a05e6c74a0c57839f4d2d97ee6447'  ><div class='avia_textblock' ><h1 style=\"text-align: center;\"><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-1610\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/34CrMo4-steel.jpg\" alt=\"Acier 34CrMo4\" width=\"650\" height=\"487\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/34CrMo4-steel.jpg 650w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/34CrMo4-steel-300x225.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/05\/34CrMo4-steel-16x12.jpg 16w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/strong><\/h1>\n<h1 style=\"text-align: center;\"><strong>34CrMo4 \/ 1.7220 Acier<\/strong><\/h1>\n<p><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0acier<\/b><\/strong>\u00a0est un acier traitable thermiquement qui contient au moins 0,9%Cr, 0,15%Mo comme \u00e9l\u00e9ments de renforcement similaires \u00e0 la nuance chinoise 35CrMo.Il a une bonne r\u00e9sistance aux chocs r\u00e9p\u00e9t\u00e9s, de bonnes propri\u00e9t\u00e9s de fatigue dans les contraintes de flexion altern\u00e9es, mais une faible soudabilit\u00e9, cette nuance d&#039;acier peut \u00eatre soud\u00e9 uniquement avec une proc\u00e9dure appropri\u00e9e. Ce mat\u00e9riau est g\u00e9n\u00e9ralement utilis\u00e9 \u00e0 l&#039;\u00e9tat tremp\u00e9 et revenu.<\/p>\n<h2><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>teel<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Formulaire d&#039;approvisionnement et taille et tol\u00e9rance<\/b><\/strong><\/h2>\n<ul>\n<li>Barre lamin\u00e9e \u00e0 chaud: \u03a66-\u03a6130mm, longueur: 3000-10000mm<\/li>\n<li>Barre ronde forg\u00e9e \u00e0 chaud: \u03a6130-\u03a61000mm, longueur: 3000-10000mm<\/li>\n<li>Barre plate \/ Blcoks: \u00e9paisseur: 120-800 mm x largeur: 120-1500 mm, longueur: 2000-6000 mm<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td>Finition de surface<\/td>\n<td>Tol\u00e9rance<\/td>\n<\/tr>\n<tr>\n<td>Noir pour l&#039;\u00e9tat forg\u00e9<\/td>\n<td>(0 \uff0c + 5 mm)<\/td>\n<\/tr>\n<tr>\n<td>Noir pour l&#039;\u00e9tat roul\u00e9<\/td>\n<td>(0 \uff0c + 1 mm)<\/td>\n<\/tr>\n<tr>\n<td>Rugueux tourn\u00e9<\/td>\n<td>(0 \uff0c + 3 mm)<\/td>\n<\/tr>\n<tr>\n<td>Aff\u00fbtage<\/td>\n<td>Meilleur h9<\/td>\n<\/tr>\n<tr>\n<td>Brillant<\/td>\n<td>Meilleur h11<\/td>\n<\/tr>\n<tr>\n<td>Pel\u00e9<\/td>\n<td>Meilleur H11<\/td>\n<\/tr>\n<tr>\n<td>\u00c9tir\u00e9 \u00e0 froid<\/td>\n<td>Meilleur H11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>teel<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Composition chimique selon EN 10083-3<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"116\"><strong><b>NOTER<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>NUM\u00c9RO<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>C<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Si<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Mn<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>P<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>S<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Cr<\/b><\/strong><\/td>\n<td width=\"116\"><strong><b>Mo<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong><b>34CrMo4<\/b><\/strong><\/td>\n<td><strong><b>1.7220 <\/b><\/strong><\/td>\n<td>0,30-0,37<\/td>\n<td>\u2264 0,40<\/td>\n<td>0,60-0,90<\/td>\n<td>\u2264 0,025<\/td>\n<td>\u2264 0,035<\/td>\n<td>0,90-1,20<\/td>\n<td>0,15-0,30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<h2><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>teel<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Normes pertinentes<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td>Etats-Unis<\/td>\n<td>Royaume-Uni<\/td>\n<td>Chine<\/td>\n<td>France<\/td>\n<\/tr>\n<tr>\n<td>4135\/4137<\/td>\n<td>708A37<\/td>\n<td>35CrMo<\/td>\n<td>34CD4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>teel<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Propri\u00e9t\u00e9 m\u00e9canique<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td>Diam\u00e8tre d mm<\/td>\n<td>\u2264 16<\/td>\n<td>16-40<\/td>\n<td>40-100<\/td>\n<td>100-160<\/td>\n<td>160-250<\/td>\n<\/tr>\n<tr>\n<td>\u00c9paisseur t mm<\/td>\n<td>&lt;8<\/td>\n<td>8-20<\/td>\n<td>20-60<\/td>\n<td>60-100<\/td>\n<td>100-160<\/td>\n<\/tr>\n<tr>\n<td>Limite d&#039;\u00e9lasticit\u00e9 Mpa<\/td>\n<td>\u2265800<\/td>\n<td>\u2265650<\/td>\n<td>\u2265550<\/td>\n<td>\u2265500<\/td>\n<td>\u2265450<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction Mpa<\/td>\n<td>1000-1200<\/td>\n<td>9h00-11h00<\/td>\n<td>800-950<\/td>\n<td>750-900<\/td>\n<td>700-850<\/td>\n<\/tr>\n<tr>\n<td>Allongement, %<\/td>\n<td>\u226511<\/td>\n<td>\u226512<\/td>\n<td>\u226514<\/td>\n<td>\u226515<\/td>\n<td>\u226515<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9duction de surface, %<\/td>\n<td>\u226545<\/td>\n<td>\u226550<\/td>\n<td>\u226555<\/td>\n<td>\u226555<\/td>\n<td>\u226560<\/td>\n<\/tr>\n<tr>\n<td>impact, J<\/td>\n<td><\/td>\n<td>\u226540<\/td>\n<td>\u226545<\/td>\n<td>\u226545<\/td>\n<td>\u226545<\/td>\n<\/tr>\n<tr>\n<td>Duret\u00e9, HB<\/td>\n<td>298-359<\/td>\n<td>271-331<\/td>\n<td>240-286<\/td>\n<td>225-271<\/td>\n<td>213-253<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>\u00a0<\/b><\/strong><\/p>\n<h2><strong><b>3<\/b><\/strong><strong><b>Acier 4CrMo4 \/ 1.7220 <\/b><\/strong><strong><b>Forgeage<\/b><\/strong><\/h2>\n<p>34CrMo4 temp\u00e9rature de forgeage: 900-1100 \u00b0 C<\/p>\n<h2><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>teel<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Traitement thermique<\/b><\/strong><\/h2>\n<ul>\n<li>Normalisation: 850-880 \u00b0 C, refroidissement \u00e0 l&#039;air<\/li>\n<li>Recuit doux: 650-680 \u00b0 C, refroidissement en four, duret\u00e9 maximale 223HB<\/li>\n<li>Trempe: 830 - 890 \u00b0 C, trempe \u00e0 l&#039;huile ou \u00e0 l&#039;eau<\/li>\n<li>Revenu: 540-680 \u00b0 C, refroidissement \u00e0 l&#039;air<\/li>\n<\/ul>\n<h2><strong><b>34CrMo4<\/b><\/strong><strong><b>\u00a0\/ 1.7220<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>S<\/b><\/strong><strong><b>teel<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Application<\/b><\/strong><\/h2>\n<p>Acier \u00e0 traitement thermique 34CrMo4 avec une r\u00e9sistance \u00e0 la traction typique de 800 - 1100N \/ mm\u00b2. Pour les composants automobiles et a\u00e9ronautiques \u00e0 haute t\u00e9nacit\u00e9 comme les vilebrequins, les essieux, les tourillons d&#039;essieu, les pneus, les engrenages et tous les composants soumis \u00e0 des contraintes de fatigue.<\/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  class='flex_column av-av_one_third-7984035d50f0055e2d8c0f71fa3ebd04 av_one_third  avia-builder-el-2  el_after_av_two_third  avia-builder-el-last  flex_column_div av-zero-column-padding'     ><p><section  class='av_textblock_section av-koextbbj-6dfeb896aac5ee284bd30d23c913d6c0'  ><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\">derniers produits<\/h3><ul class=\"news-wrap image_size_widget\"><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : Acier 60CrMoV18-5\" href=\"https:\/\/waldunsteel.com\/fr\/products\/60crmov18-5-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, 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=\"Lire : Acier 60CrMoV18-5\" href=\"https:\/\/waldunsteel.com\/fr\/products\/60crmov18-5-steel\/\">Acier 60CrMoV18-5<\/a><span class=\"news-time\">11 janvier 2024 - 3h02<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : 1.2358 Acier\" href=\"https:\/\/waldunsteel.com\/fr\/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, 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=\"Lire : 1.2358 Acier\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1-2358-steel\/\">1.2358 Acier<\/a><span class=\"news-time\">11 janvier 2024 - 02h55<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : Acier lamin\u00e9 \u00e0 froid 1045\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1045-cold-rolled-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" 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=\"barres rondes en acier au carbone sae 1045\" 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=\"Lire : Acier lamin\u00e9 \u00e0 froid 1045\" href=\"https:\/\/waldunsteel.com\/fr\/products\/1045-cold-rolled-steel\/\">1045 Acier lamin\u00e9 \u00e0 froid<\/a><span class=\"news-time\">1 novembre 2023 - 11h32<\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Lire : Acier 46Cr2 \/ 1.7006\" href=\"https:\/\/waldunsteel.com\/fr\/products\/46cr2-1-7006-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" 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=\"Lire : Acier 46Cr2 \/ 1.7006\" href=\"https:\/\/waldunsteel.com\/fr\/products\/46cr2-1-7006-steel\/\">46Cr2 \/ 1.7006 Acier<\/a><span class=\"news-time\">24 octobre 2023 - 9h30<\/span><\/div><\/div><\/li><\/ul><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-3\" class=\"widget clearfix widget_text\"><h3 class=\"widgettitle\">CONTACTER WALDUN STEEL<\/h3>\t\t\t<div class=\"textwidget\"><p><strong>Mobile: <\/strong><\/p>\n<p>+8618652469606<\/p>\n<p><strong>E-mail: <\/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=\"acier waldun logo iso 9001 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>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1610,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[30,29],"class_list":["post-1609","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-alloysteel","portfolio_entries-engineeringsteel"],"_links":{"self":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio\/1609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/comments?post=1609"}],"version-history":[{"count":0,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio\/1609\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/media\/1610"}],"wp:attachment":[{"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/media?parent=1609"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/tags?post=1609"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/waldunsteel.com\/fr\/wp-json\/wp\/v2\/portfolio_entries?post=1609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}