{"id":2630,"date":"2025-09-18T02:07:15","date_gmt":"2025-09-18T02:07:15","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=2630"},"modified":"2025-09-18T02:09:18","modified_gmt":"2025-09-18T02:09:18","slug":"square-billet-8x8in-astm-gr-50","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/fr\/produit\/square-billet-8x8in-astm-gr-50\/","title":{"rendered":"Billet carr\u00e9 8x8in ASTM Gr.50"},"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>ASTM A572\/A572M<\/td>\n<td>Sp\u00e9cification normalis\u00e9e pour l'acier de construction \u00e0 haute r\u00e9sistance faiblement alli\u00e9 au columbium-vanadium<\/td>\n<\/tr>\n<tr>\n<td><strong>Grade<\/strong><\/td>\n<td>ASTM Gr.50<\/td>\n<td>Sp\u00e9cialement con\u00e7u pour les applications n\u00e9cessitant une r\u00e9sistance sup\u00e9rieure \u00e0 celle des aciers de construction au carbone courants<\/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>\u22640.23<\/td>\n<td>Permet de contr\u00f4ler l'\u00e9quilibre entre la r\u00e9sistance et la soudabilit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>- Silicium (Si)<\/td>\n<td>\u22640.40<\/td>\n<td>Contribue \u00e0 la d\u00e9soxydation et influence les propri\u00e9t\u00e9s de l'acier<\/td>\n<\/tr>\n<tr>\n<td>- Mangan\u00e8se (Mn)<\/td>\n<td>\u22641.35<\/td>\n<td>Am\u00e9liore la r\u00e9sistance et la robustesse<\/td>\n<\/tr>\n<tr>\n<td>- Phosphore (P)<\/td>\n<td>\u22640.04<\/td>\n<td>Maintenu \u00e0 un niveau bas pour \u00e9viter la fragilit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>- Soufre (S)<\/td>\n<td>\u22640.05<\/td>\n<td>Minimis\u00e9 pour r\u00e9duire le risque de fissuration pendant le traitement<\/td>\n<\/tr>\n<tr>\n<td>- Columbium (Nb)<\/td>\n<td>\u22640.05<\/td>\n<td>\u00c9l\u00e9ment de microalliage qui affine la structure du grain et am\u00e9liore la r\u00e9sistance.<\/td>\n<\/tr>\n<tr>\n<td>- Vanadium (V)<\/td>\n<td>\u22640.08<\/td>\n<td>Contribue \u00e9galement au renforcement et \u00e0 l'am\u00e9lioration des propri\u00e9t\u00e9s m\u00e9caniques<\/td>\n<\/tr>\n<tr>\n<td><strong>Propri\u00e9t\u00e9s m\u00e9caniques<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>- Limite d'\u00e9lasticit\u00e9 (Fy)<\/td>\n<td>\u2265345 MPa (\u226550 ksi)<\/td>\n<td>Limite d'\u00e9lasticit\u00e9 minimale plus \u00e9lev\u00e9e que celle de certaines qualit\u00e9s courantes, convenant aux charges lourdes.<\/td>\n<\/tr>\n<tr>\n<td>- R\u00e9sistance \u00e0 la traction (Fu)<\/td>\n<td>450 - 620 MPa (65 - 90 ksi)<\/td>\n<td>Offre une bonne capacit\u00e9 de charge globale<\/td>\n<\/tr>\n<tr>\n<td>- Allongement (en 200 mm, %)<\/td>\n<td>\u226518<\/td>\n<td>Offre une ductilit\u00e9 raisonnable pour les op\u00e9rations de fabrication et de formage<\/td>\n<\/tr>\n<tr>\n<td>- Essai de pliage<\/td>\n<td>180\u00b0<\/td>\n<td>Le diam\u00e8tre de pliage d\u00e9pend de l'\u00e9paisseur et des exigences ASTM applicables aux sp\u00e9cimens sp\u00e9cifiques.<\/td>\n<\/tr>\n<tr>\n<td><strong>Dimensions<\/strong><\/td>\n<td>8 x 8 pouces (section carr\u00e9e)<\/td>\n<td>Taille nominale ; des plages de tol\u00e9rance sp\u00e9cifiques sont d\u00e9finies dans les normes ASTM.<\/td>\n<\/tr>\n<tr>\n<td><strong>Longueur<\/strong><\/td>\n<td>Personnalisable en fonction des besoins sp\u00e9cifiques du projet<\/td>\n<td>Peut \u00eatre fourni en diff\u00e9rentes longueurs ou coup\u00e9 \u00e0 la demande pour minimiser les d\u00e9chets.<\/td>\n<\/tr>\n<tr>\n<td><strong>Qualit\u00e9 de la surface<\/strong><\/td>\n<td>En r\u00e8gle g\u00e9n\u00e9rale, ils doivent \u00eatre exempts de fissures, de d\u00e9fauts de surface importants tels que des rayures profondes et des d\u00e9p\u00f4ts excessifs.<\/td>\n<td>S'assurer de l'aptitude \u00e0 la poursuite du traitement et de l'application<\/td>\n<\/tr>\n<tr>\n<td><strong>Conditions de livraison<\/strong><\/td>\n<td>Laminage \u00e0 chaud, normalisation ou traitement thermom\u00e9canique contr\u00f4l\u00e9 (TMCP)<\/td>\n<td>Diff\u00e9rentes conditions de livraison peuvent \u00eatre choisies en fonction de la fabrication pr\u00e9vue et des exigences de performance.<\/td>\n<\/tr>\n<tr>\n<td><strong>Applications typiques<\/strong><\/td>\n<td>Composants structurels dans les immeubles de grande hauteur, les grands ponts, les ch\u00e2ssis de machines industrielles lourdes, les structures offshore et d'autres applications pour lesquelles une r\u00e9sistance \u00e9lev\u00e9e et une bonne usinabilit\u00e9 sont essentielles.<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Cet acier carr\u00e9 8x8in ASTM Gr.50 est un acier de construction faiblement alli\u00e9 \u00e0 haute r\u00e9sistance qui offre des performances accrues par rapport aux aciers au carbone standard. Sa composition chimique sp\u00e9cifique et ses propri\u00e9t\u00e9s m\u00e9caniques le rendent adapt\u00e9 \u00e0 une large gamme d'applications structurelles exigeantes o\u00f9 la capacit\u00e9 \u00e0 r\u00e9sister \u00e0 de lourdes charges tout en conservant la formabilit\u00e9 est cruciale.<\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\"><\/div>\n<\/div>","protected":false},"featured_media":2612,"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":[27],"product_tag":[],"class_list":["post-2630","product","type-product","status-publish","has-post-thumbnail","product_cat-square-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\/2630","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=2630"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media\/2612"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media?parent=2630"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2630"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2630"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}