{"id":3197,"date":"2025-09-21T21:44:56","date_gmt":"2025-09-21T21:44:56","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=3197"},"modified":"2025-09-21T21:49:12","modified_gmt":"2025-09-21T21:49:12","slug":"hrb400-rebar-32mm-q345b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/fr\/produit\/hrb400-rebar-32mm-q345b\/","title":{"rendered":"HRB400 Barre d'armature 32mm Q345B"},"content":{"rendered":"<table>\n<thead>\n<tr>\n<th>Param\u00e8tres<\/th>\n<th>HRB400 Barre d'armature 32mm<\/th>\n<th>Acier Q345B<\/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'armature d\u00e9form\u00e9e \u00e0 haute r\u00e9sistance)<\/td>\n<td>Q345B (acier de construction \u00e0 haute r\u00e9sistance faiblement alli\u00e9)<\/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 \u22640.50%, Mn 1.00-1.60%, P \u22640.040%, S \u22640.040%, avec traces de Nb, V, Ti<\/td>\n<td>-<\/td>\n<td>Les \u00e9l\u00e9ments d'alliage renforcent la r\u00e9sistance dans les deux qualit\u00e9s<\/td>\n<\/tr>\n<tr>\n<td>Diam\u00e8tre\/section<\/td>\n<td>32<\/td>\n<td>N\/A (varie selon la forme : profil\u00e9s, plaques, barres)<\/td>\n<td>mm<\/td>\n<td>Diam\u00e8tre de 32 mm pour un renforcement robuste ; Q345B disponible sous diff\u00e9rentes formes<\/td>\n<\/tr>\n<tr>\n<td>Poids par m\u00e8tre<\/td>\n<td>6.31<\/td>\n<td>N\/A (varie selon la section\/l'\u00e9paisseur)<\/td>\n<td>kg\/m<\/td>\n<td>Calcul\u00e9 pour une barre d'armature de 32 mm ; le poids du Q345B d\u00e9pend de la forme sp\u00e9cifique.<\/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 projets de construction \u00e0 grande \u00e9chelle<\/td>\n<\/tr>\n<tr>\n<td>Limite d'\u00e9lasticit\u00e9 (minimale)<\/td>\n<td>\u2265400<\/td>\n<td>\u2265345<\/td>\n<td>MPa<\/td>\n<td>Les deux offrent une capacit\u00e9 de charge \u00e9lev\u00e9e pour les structures critiques<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction<\/td>\n<td>540-680<\/td>\n<td>470-630<\/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>\u226522<\/td>\n<td>%<\/td>\n<td>Assure la ductilit\u00e9 pour la r\u00e9sistance aux charges sismiques et dynamiques<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance aux chocs<\/td>\n<td>\u226534 (\u00e0 20\u00b0C)<\/td>\n<td>\u226534 (\u00e0 20\u00b0C)<\/td>\n<td>J<\/td>\n<td>\u00c9chantillons longitudinaux ; r\u00e9sistance aux chocs soudains<\/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, galvanisation \u00e0 chaud ou rev\u00eatement \u00e9poxy.<\/td>\n<td>-<\/td>\n<td>Les nervures HRB400 am\u00e9liorent l'adh\u00e9rence au b\u00e9ton ; les rev\u00eatements Q345B am\u00e9liorent la r\u00e9sistance \u00e0 la corrosion<\/td>\n<\/tr>\n<tr>\n<td>Norme de fabrication<\/td>\n<td>GB 1499.2-2018<\/td>\n<td>GB\/T 1591-2018<\/td>\n<td>-<\/td>\n<td>Respect des normes chinoises pour les mat\u00e9riaux de construction<\/td>\n<\/tr>\n<tr>\n<td>Applications typiques<\/td>\n<td>B\u00e9ton arm\u00e9 lourd (ponts, colonnes de grande hauteur, grandes fondations)<\/td>\n<td>\u00c9l\u00e9ments structurels lourds\/moyens (poutres de pont, ch\u00e2ssis industriels, supports de machines lourdes)<\/td>\n<td>-<\/td>\n<td>Souvent utilis\u00e9 dans le cadre de projets coordonn\u00e9s d'infrastructures lourdes<\/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\">L'armature HRB400 de 32 mm, associ\u00e9e \u00e0 l'acier \u00e0 haute r\u00e9sistance Q345B, forme une combinaison puissante con\u00e7ue pour relever les d\u00e9fis de construction les plus exigeants. Cette barre d'armature \u00e0 haute r\u00e9sistance de 32 mm de diam\u00e8tre fournit un renforcement robuste pour les structures en b\u00e9ton lourd, tandis que le Q345B - un acier faiblement alli\u00e9 de premi\u00e8re qualit\u00e9 - la compl\u00e8te dans les composants structurels critiques, cr\u00e9ant un syst\u00e8me qui \u00e9quilibre la force brute et l'adaptabilit\u00e9 pour les infrastructures \u00e0 grande \u00e9chelle.<\/div>","protected":false},"featured_media":2779,"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-3197","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\/3197","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=3197"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media\/2779"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media?parent=3197"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3197"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3197"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}