{"id":2546,"date":"2025-09-18T00:38:26","date_gmt":"2025-09-18T00:38:26","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=2546"},"modified":"2025-09-18T00:52:12","modified_gmt":"2025-09-18T00:52:12","slug":"forging-round-billet-42crmo4","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/fr\/produit\/forging-round-billet-42crmo4\/","title":{"rendered":"Forgeage de billettes rondes 42CrMo4"},"content":{"rendered":"<table>\n<thead>\n<tr>\n<th>Param\u00e8tres<\/th>\n<th>Valeur<\/th>\n<th>Remarques<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Standard<\/strong><\/td>\n<td>EN 10083-3:2006 (norme europ\u00e9enne commune applicable \u00e0 cette nuance d'acier)<\/td>\n<td>Acier de construction alli\u00e9 pour applications tremp\u00e9es et revenues<\/td>\n<\/tr>\n<tr>\n<td><strong>Grade<\/strong><\/td>\n<td>42CrMo4<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Composition chimique (wt%)<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Carbone (C)<\/td>\n<td>0.38 - 0.45<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Silicium (Si)<\/td>\n<td>\u22640.40<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Mangan\u00e8se (Mn)<\/td>\n<td>0.60 - 0.90<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Phosphore (P)<\/td>\n<td>\u22640.035<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Soufre (S)<\/td>\n<td>\u22640.035<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Chrome (Cr)<\/td>\n<td>0.90 - 1.20<\/td>\n<td>\u00c9l\u00e9ment d'alliage cl\u00e9 pour l'am\u00e9lioration de la r\u00e9sistance et de la trempabilit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>- Molybd\u00e8ne (Mo)<\/td>\n<td>0.15 - 0.30<\/td>\n<td>Am\u00e9liore la r\u00e9sistance, la t\u00e9nacit\u00e9 et les propri\u00e9t\u00e9s \u00e0 haute temp\u00e9rature<\/td>\n<\/tr>\n<tr>\n<td><strong>Propri\u00e9t\u00e9s m\u00e9caniques (apr\u00e8s un traitement thermique appropri\u00e9 tel que la trempe et le revenu)<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Limite d'\u00e9lasticit\u00e9 (ReL)<\/td>\n<td>\u2265900 MPa<\/td>\n<td>Les valeurs peuvent varier en fonction des param\u00e8tres sp\u00e9cifiques de traitement thermique et du diam\u00e8tre des billettes.<\/td>\n<\/tr>\n<tr>\n<td>- R\u00e9sistance \u00e0 la traction (Rm)<\/td>\n<td>1000 - 1200 MPa<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Allongement (A)<\/td>\n<td>\u226510%<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- R\u00e9duction de la surface (Z)<\/td>\n<td>\u226540%<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- \u00c9nergie d'impact (Aku)<\/td>\n<td>\u226530 J (\u00e0 temp\u00e9rature ambiante)<\/td>\n<td>La pr\u00e9paration de l'\u00e9chantillon et les r\u00e9sultats de l'essai d'impact peuvent \u00eatre influenc\u00e9s par la m\u00e9thode d'essai et la g\u00e9om\u00e9trie de l'\u00e9chantillon<\/td>\n<\/tr>\n<tr>\n<td><strong>Duret\u00e9<\/strong><\/td>\n<td>280 - 320 HB (duret\u00e9 Brinell)<\/td>\n<td>Apr\u00e8s le traitement thermique sp\u00e9cifi\u00e9 pour obtenir les propri\u00e9t\u00e9s m\u00e9caniques souhait\u00e9es<\/td>\n<\/tr>\n<tr>\n<td><strong>Conditions de livraison<\/strong><\/td>\n<td>Ils sont g\u00e9n\u00e9ralement fournis \u00e0 l'\u00e9tat recuit ou normalis\u00e9 pour les op\u00e9rations de forgeage et subissent ensuite un traitement thermique suppl\u00e9mentaire pour obtenir leurs propri\u00e9t\u00e9s m\u00e9caniques finales.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><strong>Applications typiques<\/strong><\/td>\n<td>Pi\u00e8ces forg\u00e9es dans l'industrie automobile (vilebrequins, bielles), composants de machines lourdes (engrenages, arbres) et dans le secteur de l'\u00e9nergie pour certaines pi\u00e8ces \u00e0 haute r\u00e9sistance et \u00e0 forte charge.<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Notre billette ronde de forgeage est fabriqu\u00e9e \u00e0 partir d'un acier alli\u00e9 42CrMo4 de premi\u00e8re qualit\u00e9 (\u00e9quivalent \u00e0 l'acier AISI 4140), sp\u00e9cialement con\u00e7u pour les applications de forgeage \u00e0 usage intensif exigeant une r\u00e9sistance et une t\u00e9nacit\u00e9 sup\u00e9rieures. Cette billette de haute qualit\u00e9 offre une trempabilit\u00e9, une r\u00e9sistance \u00e0 la fatigue et des propri\u00e9t\u00e9s m\u00e9caniques exceptionnelles, ce qui la rend id\u00e9ale pour les composants critiques des industries automobile, a\u00e9rospatiale, p\u00e9troli\u00e8re et gazi\u00e8re, et de la machinerie lourde. La nuance 42CrMo4 r\u00e9agit tr\u00e8s bien au traitement thermique, ce qui garantit des performances optimales dans les applications les plus exigeantes.<\/p>","protected":false},"featured_media":2518,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":["post-2546","product","type-product","status-publish","has-post-thumbnail","product_cat-specialty-billets","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product\/2546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/comments?post=2546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media?parent=2546"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2546"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2546"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}