{"id":3034,"date":"2025-09-19T00:39:49","date_gmt":"2025-09-19T00:39:49","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=3034"},"modified":"2025-09-19T00:42:07","modified_gmt":"2025-09-19T00:42:07","slug":"hrb400-rebar-8mm-q235b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/fr\/produit\/hrb400-rebar-8mm-q235b\/","title":{"rendered":"Barre d'armature HRB400 8mm Q235B"},"content":{"rendered":"<table>\n<thead>\n<tr>\n<th>Param\u00e8tres<\/th>\n<th>HRB400 Barre d'armature 8mm<\/th>\n<th>Acier Q235B<\/th>\n<th>Unit\u00e9<\/th>\n<th>Remarques<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Qualit\u00e9 des mat\u00e9riaux<\/td>\n<td>HRB400 (barre d'acier d\u00e9form\u00e9e \u00e0 haute r\u00e9sistance)<\/td>\n<td>Q235B (acier de construction au carbone)<\/td>\n<td>-<\/td>\n<td>Tous deux sont conformes aux normes nationales chinoises<\/td>\n<\/tr>\n<tr>\n<td>Composition chimique<\/td>\n<td>C \u22640.25%, Si \u22640.80%, Mn \u22641.60%, P \u22640.045%, S \u22640.045%, avec traces de Nb, V, Ti<\/td>\n<td>C \u22640,20%, Si \u22640,35%, Mn \u22641,40%, P \u22640,045%, S \u22640,045%<\/td>\n<td>-<\/td>\n<td>Les \u00e9l\u00e9ments d'alliage dans le HRB400 am\u00e9liorent la r\u00e9sistance<\/td>\n<\/tr>\n<tr>\n<td>Diam\u00e8tre\/section<\/td>\n<td>8<\/td>\n<td>N\/A (varie selon la forme : feuille, barre, etc.)<\/td>\n<td>mm<\/td>\n<td>Diam\u00e8tre standard pour les barres d'armature ; Q235B disponible sous plusieurs formes<\/td>\n<\/tr>\n<tr>\n<td>Poids par m\u00e8tre<\/td>\n<td>0.395<\/td>\n<td>N\/A (varie selon la section)<\/td>\n<td>kg\/m<\/td>\n<td>Calcul\u00e9 pour une barre d'armature de 8 mm ; le poids du Q235B d\u00e9pend de la forme et de l'\u00e9paisseur.<\/td>\n<\/tr>\n<tr>\n<td>Longueur Plage<\/td>\n<td>6000-12000 (personnalisable)<\/td>\n<td>6000-12000 (personnalisable)<\/td>\n<td>mm<\/td>\n<td>Longueurs standard pour les applications de construction<\/td>\n<\/tr>\n<tr>\n<td>Limite d'\u00e9lasticit\u00e9 (minimale)<\/td>\n<td>\u2265400<\/td>\n<td>\u2265235<\/td>\n<td>MPa<\/td>\n<td>Indicateur cl\u00e9 de r\u00e9sistance ; HRB400 offre une capacit\u00e9 de charge plus \u00e9lev\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction<\/td>\n<td>540-680<\/td>\n<td>375-500<\/td>\n<td>MPa<\/td>\n<td>Plage typique \u00e0 temp\u00e9rature ambiante<\/td>\n<\/tr>\n<tr>\n<td>Allongement (\u03b45, minimum)<\/td>\n<td>\u226516<\/td>\n<td>\u226526<\/td>\n<td>%<\/td>\n<td>Mesure de la ductilit\u00e9 ; Q235B offre une plus grande flexibilit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance aux chocs<\/td>\n<td>\u226534 (\u00e0 20\u00b0C)<\/td>\n<td>\u226527 (\u00e0 20\u00b0C)<\/td>\n<td>J<\/td>\n<td>\u00c9chantillons longitudinaux ; r\u00e9sistance aux charges soudaines<\/td>\n<\/tr>\n<tr>\n<td>Traitement de surface<\/td>\n<td>D\u00e9form\u00e9 (nervur\u00e9) pour le collage du b\u00e9ton<\/td>\n<td>Finition en usine, galvanis\u00e9e ou peinte<\/td>\n<td>-<\/td>\n<td>Les nervures HRB400 am\u00e9liorent l'adh\u00e9rence au b\u00e9ton<\/td>\n<\/tr>\n<tr>\n<td>Norme de fabrication<\/td>\n<td>GB 1499.2-2018<\/td>\n<td>GB\/T 700-2006<\/td>\n<td>-<\/td>\n<td>Conformit\u00e9 avec les normes chinoises en mati\u00e8re d'acier de construction<\/td>\n<\/tr>\n<tr>\n<td>Applications typiques<\/td>\n<td>Structures en b\u00e9ton arm\u00e9 (poutres, dalles, colonnes, ponts)<\/td>\n<td>Composants structurels g\u00e9n\u00e9raux (cadres, supports, fabrication l\u00e9g\u00e8re)<\/td>\n<td>-<\/td>\n<td>Utilisation compl\u00e9mentaire dans les projets de construction<\/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\">La barre d'armature HRB400 de 8 mm est une barre d'acier d\u00e9form\u00e9e \u00e0 haute r\u00e9sistance de premi\u00e8re qualit\u00e9, con\u00e7ue pour fournir un renforcement structurel sup\u00e9rieur dans les projets de construction en b\u00e9ton. Largement sp\u00e9cifi\u00e9e dans les applications de b\u00e9ton arm\u00e9, cette barre de 8 mm de diam\u00e8tre combine une r\u00e9sistance \u00e0 la traction exceptionnelle et une ductilit\u00e9 fiable, ce qui en fait une pierre angulaire des projets modernes de construction, d'infrastructure et de g\u00e9nie civil. Bien qu'elle soit diff\u00e9rente du Q235B (un acier de construction g\u00e9n\u00e9ral au carbone), la barre d'armature HRB400 est souvent utilis\u00e9e avec ces mat\u00e9riaux dans les structures composites, offrant des performances compl\u00e9mentaires lorsqu'une capacit\u00e9 de charge \u00e9lev\u00e9e est essentielle.<\/div>","protected":false},"featured_media":2742,"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":"","ast-disable-related-posts":"","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":[32],"product_tag":[],"class_list":["post-3034","product","type-product","status-publish","has-post-thumbnail","product_cat-rebar","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\/3034","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=3034"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media\/2742"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media?parent=3034"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3034"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3034"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}