{"id":3198,"date":"2025-09-21T21:45:02","date_gmt":"2025-09-21T21:45:02","guid":{"rendered":"https:\/\/greenyellow-gerbil-196913.hostingersite.com\/?post_type=product&#038;p=3198"},"modified":"2025-09-21T21:50:50","modified_gmt":"2025-09-21T21:50:50","slug":"hrb400-rebar-25mm-q345b","status":"publish","type":"product","link":"https:\/\/baosteelmaterials.com\/fr\/produit\/hrb400-rebar-25mm-q345b\/","title":{"rendered":"HRB400 Barre d'armature 25mm Q345B"},"content":{"rendered":"<table>\n<thead>\n<tr>\n<th>Param\u00e8tres<\/th>\n<th>HRB400 Barre d'armature 25mm<\/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 en mati\u00e8re de construction lourde.<\/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 am\u00e9liorent la r\u00e9sistance et la t\u00e9nacit\u00e9 dans les deux qualit\u00e9s.<\/td>\n<\/tr>\n<tr>\n<td>Diam\u00e8tre\/section<\/td>\n<td>25<\/td>\n<td>N\/A (varie selon la forme : profil\u00e9s, plaques, barres)<\/td>\n<td>mm<\/td>\n<td>Diam\u00e8tre de 25 mm pour les armatures moyennes \u00e0 lourdes ; Q345B disponible sous plusieurs formes<\/td>\n<\/tr>\n<tr>\n<td>Poids par m\u00e8tre<\/td>\n<td>3.85<\/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 25 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>Capacit\u00e9 de charge \u00e9lev\u00e9e pour les \u00e9l\u00e9ments structurels 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>Conformit\u00e9 avec les r\u00e9glementations chinoises en mati\u00e8re d'acier de construction<\/td>\n<\/tr>\n<tr>\n<td>Applications typiques<\/td>\n<td>B\u00e9ton arm\u00e9 moyen \u00e0 lourd (colonnes, poutres, ponts, fondations industrielles)<\/td>\n<td>\u00c9l\u00e9ments structurels lourds\/moyens (poutres, cadres, supports de machines lourdes)<\/td>\n<td>-<\/td>\n<td>Utilisation coordonn\u00e9e dans des projets commerciaux, industriels et d'infrastructure<\/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\">Les barres d'armature HRB400 de 25 mm, associ\u00e9es \u00e0 l'acier \u00e0 haute r\u00e9sistance Q345B, constituent une solution robuste et polyvalente pour les projets de construction moyens \u00e0 lourds. Cette barre d'armature d\u00e9form\u00e9e de 25 mm de diam\u00e8tre fournit un renforcement exceptionnel pour les structures en b\u00e9ton, tandis que le Q345B - un acier faiblement alli\u00e9 de premi\u00e8re qualit\u00e9 - la compl\u00e8te dans les composants structurels critiques, cr\u00e9ant ainsi un syst\u00e8me \u00e9quilibr\u00e9 qui excelle en termes de r\u00e9sistance, de durabilit\u00e9 et d'adaptabilit\u00e9.<\/div>","protected":false},"featured_media":2777,"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":[32],"product_tag":[],"class_list":["post-3198","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\/3198","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=3198"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media\/2777"}],"wp:attachment":[{"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/media?parent=3198"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3198"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3198"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/baosteelmaterials.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}