{"id":5459,"date":"2026-08-14T09:57:35","date_gmt":"2026-08-14T09:57:35","guid":{"rendered":"https:\/\/beiyutitanium.com\/titanium-bar-section-round-square-flat-hex\/"},"modified":"2026-08-27T23:48:19","modified_gmt":"2026-08-27T23:48:19","slug":"titanium-bar-section-round-square-flat-hex","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/fr\/titanium-bar-section-round-square-flat-hex\/","title":{"rendered":"Section de barre en titane : ronde, carr\u00e9e, plate ou hexagonale"},"content":{"rendered":"<figure class=\"ti-hero-image\" style=\"margin:0 0 1.2em\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-round-and-square-bar-sections.webp\" alt=\"Titanium round bar and square bar sections supplied to ASTM B348\" width=\"1200\" height=\"800\" loading=\"eager\" style=\"width:100%;height:auto;border-radius:8px\" \/><\/figure>\n<h2>La section de barre est une d\u00e9cision de ligne de commande, et non une pr\u00e9f\u00e9rence de forme<\/h2>\n<p>Les barres rondes, carr\u00e9es, plates et hexagonales ne constituent pas un m\u00eame produit command\u00e9 sous quatre formes. Chaque section poss\u00e8de sa propre plage de dimensions, et la section d\u00e9finit la section transversale initiale \u00e0 partir de laquelle la pi\u00e8ce est usin\u00e9e.<\/p>\n<p>Pages de commande d\u00e9di\u00e9es par section : <a href=\"https:\/\/beiyutitanium.com\/fr\/titanium-square-bar-sizes-and-ordering\/\">dimensions et commande de barres carr\u00e9es<\/a>, <a href=\"https:\/\/beiyutitanium.com\/fr\/titanium-hexagonal-bar-across-flats\/\">dimensions sur plats de barres hexagonales<\/a>, et <a href=\"https:\/\/beiyutitanium.com\/fr\/titanium-round-bar-1-to-500-mm\/\">barres rondes sur toute la plage de 1 \u00e0 500 mm<\/a>.<\/p>\n<table>\n<thead>\n<tr>\n<th>Ce que les acheteurs \u00e9valuent lors du choix de la section<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>La plage de dimensions r\u00e9alisable dans cette section<\/td>\n<\/tr>\n<tr>\n<td>La section transversale initiale \u00e0 partir de laquelle la pi\u00e8ce est usin\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>Comment la barre est maintenue et aliment\u00e9e dans la machine<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Les sections et les dimensions que Beiyu examine par rapport \u00e0<\/h2>\n<table>\n<thead>\n<tr>\n<th>Section<\/th>\n<th>Plage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Barre ronde<\/td>\n<td>1 mm \u00e0 500 mm de diam\u00e8tre<\/td>\n<\/tr>\n<tr>\n<td>Barre carr\u00e9e<\/td>\n<td>3 mm par 3 mm \u00e0 500 mm par 500 mm<\/td>\n<\/tr>\n<tr>\n<td>Barre plate<\/td>\n<td>3 mm par 12,7 mm \u00e0 30 mm par 500 mm<\/td>\n<\/tr>\n<tr>\n<td>Barre hexagonale<\/td>\n<td>Sur plats jusqu'\u00e0 17 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>L'enveloppe correspond \u00e0 une capacit\u00e9 de production, et non \u00e0 une d\u00e9claration de stock, et toutes les combinaisons de nuance, section, dimension et \u00e9tat n'existent pas sur toute la plage. La combinaison command\u00e9e est confirm\u00e9e dans l'offre.<\/p>\n<h2>La longueur est limit\u00e9e pour chaque section<\/h2>\n<p>La section modifie la section transversale disponible. Elle n'allonge pas la longueur.<\/p>\n<table>\n<thead>\n<tr>\n<th>Champ<\/th>\n<th>Valeur<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Longueur maximale, toutes sections de barres<\/td>\n<td>6000 mm<\/td>\n<\/tr>\n<tr>\n<td>Tol\u00e9rance de longueur de coupe<\/td>\n<td>Indiqu\u00e9e dans la commande, non implicite \u00e0 la section<\/td>\n<\/tr>\n<tr>\n<td>\u00c9tat des extr\u00e9mit\u00e9s<\/td>\n<td>Indiqu\u00e9e dans la commande, non implicite \u00e0 la section<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Origine de la valeur de tol\u00e9rance<\/h2>\n<p><a href=\"https:\/\/beiyutitanium.com\/fr\/titanium-bar-diameter-tolerance-how-to-specify\/\">Une section de barre peut faire l'objet d'une offre selon une classe de tol\u00e9rance ISO plut\u00f4t que selon une valeur plus et moins<\/a>. La classe n'est pas un nombre unique, car elle varie selon la dimension, ce qui impose de l'associer \u00e0 la dimension command\u00e9e.<\/p>\n<table>\n<thead>\n<tr>\n<th>Champ<\/th>\n<th>\u00c0 indiquer<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Classe de tol\u00e9rance<\/td>\n<td>h6 \u00e0 h9 ou H6 \u00e0 H9, d\u00e9sign\u00e9e avec la dimension \u00e0 laquelle elle s'applique<\/td>\n<\/tr>\n<tr>\n<td>Dimension \u00e0 laquelle elle s'applique<\/td>\n<td>Diam\u00e8tre, sur plats, ou les deux dimensions de la barre plate<\/td>\n<\/tr>\n<tr>\n<td>\u00c9tat de surface<\/td>\n<td>Indiqu\u00e9e s\u00e9par\u00e9ment, car elle n'est pas implicite \u00e0 la section<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Norme applicable \u00e0 la section<\/h2>\n<p>La barre ne rel\u00e8ve pas d'une seule norme. <a href=\"https:\/\/beiyutitanium.com\/fr\/astm-b348-titanium-bar-billet-guide\/\">Les barres lamin\u00e9es et les barres forg\u00e9es constituent des lignes de commande distinctes avec des normes applicables distinctes<\/a>, et le certificat en indique une.<\/p>\n<table>\n<thead>\n<tr>\n<th>Command\u00e9 selon<\/th>\n<th>Norme<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Barre et billette<\/td>\n<td>ASTM B348<\/td>\n<\/tr>\n<tr>\n<td>Barre ronde forg\u00e9e<\/td>\n<td>ASTM B381<\/td>\n<\/tr>\n<tr>\n<td>Barre conforme \u00e0 une sp\u00e9cification mat\u00e9riau a\u00e9ronautique<\/td>\n<td>Indiqu\u00e9e dans la commande avec la norme ASTM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Ce qu'il convient d'indiquer sur la commande<\/h2>\n<pre style=\"white-space:pre-wrap;background:#f4f6f7;border:1px solid #dfe4e8;border-radius:4px;padding:14px 16px;font-size:13.5px;line-height:1.7\">Section : ______ (ronde, carr\u00e9e, plate ou hexagonale) Norme applicable : ______ (ASTM B348, ou ASTM B381 pour une barre forg\u00e9e) Grade et UNS : ______ Dimension : ______ (diam\u00e8tre, c\u00f4t\u00e9, les deux dimensions plates, ou sur plats) Longueur : ______ (indiquer la longueur de coupe et sa tol\u00e9rance) Tol\u00e9rance : ______ (indiquer la classe ou la valeur plus et moins, avec la dimension \u00e0 laquelle elle s'applique) \u00c9tat de surface : ______ \u00c9tat : ______ (R \/ M \/ Y, indiqu\u00e9 dans la commande) Certificat : certificat de r\u00e9ception 3.1 selon EN 10204 avec tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, p\u00e9rim\u00e8tre de rapport selon la commande<\/pre>\n<p>Indiquez la section et la dimension sur la m\u00eame ligne, et <a href=\"https:\/\/beiyutitanium.com\/fr\/machining-titanium-bar-stock-guide\/\">indiquez \u00e0 quoi la barre est destin\u00e9e<\/a>. Beiyu confirme la combinaison section, dimension et tol\u00e9rance par rapport \u00e0 la norme command\u00e9e avant d'\u00e9tablir une offre, car la plage de dimensions r\u00e9alisable varie selon la section.<\/p>\n<div class=\"ti-rfq-box\">\n<h2>D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n<p>La norme produit d\u00e9finit les limites dans lesquelles doit se situer une section de barre. <a href=\"https:\/\/store.astm.org\/standards\/b348\" target=\"_blank\" rel=\"noopener\">ASTM B348<\/a> d\u00e9finit une barre comme une section pleine semi-finie lamin\u00e9e \u00e0 chaud, forg\u00e9e, extrud\u00e9e ou travaill\u00e9e \u00e0 froid dont la section transversale est de 16 square inches, 10 323 square millimetres, ou moins, une barre rectangulaire ne d\u00e9passant pas 10 inches, 254 millimetres, de largeur et ayant plus de 0.1875 inch, 4.8 millimetres, d'\u00e9paisseur ; une section pleine au-dessus de cette surface, dont la largeur est inf\u00e9rieure \u00e0 cinq fois son \u00e9paisseur, est une billette (ASTM B348, terminologie).<\/p>\n<table data-c195=\"1\">\n<thead>\n<tr>\n<th>Section<\/th>\n<th>Gamme examin\u00e9e par Beiyu<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Barre ronde<\/td>\n<td>1 mm \u00e0 500 mm de diam\u00e8tre, longueur jusqu'\u00e0 6000 mm<\/td>\n<\/tr>\n<tr>\n<td>Barre carr\u00e9e<\/td>\n<td>3 mm par 3 mm \u00e0 500 mm par 500 mm<\/td>\n<\/tr>\n<tr>\n<td>Barre plate<\/td>\n<td>3 mm par 12,7 mm \u00e0 30 mm par 500 mm<\/td>\n<\/tr>\n<tr>\n<td>Barre hexagonale<\/td>\n<td>Sur plats jusqu'\u00e0 17 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ces plages constituent l'enveloppe de production de Beiyu, et non une d\u00e9claration de stock, et la combinaison command\u00e9e est confirm\u00e9e dans l'offre. Les tol\u00e9rances ne sont pas non plus une valeur unique : ASTM B348 les renvoie \u00e0 ses tableaux dimensionnels (ASTM B348, dimensions, poids et variations admissibles), raison pour laquelle une classe ou une valeur plus et moins doit \u00eatre associ\u00e9e \u00e0 la dimension \u00e0 laquelle elle s'applique. Indiquer une section \u00e9tablit la g\u00e9om\u00e9trie. Cela ne fixe pas \u00e0 lui seul la tol\u00e9rance et ne transpose pas une entr\u00e9e de tableau de tol\u00e9rances d'une section \u00e0 une autre. La composition chimique n'est pas affect\u00e9e par la section : le Grade 2 reste \u00e0 0,25 pour cent d'oxyg\u00e8ne maximum et 0,30 pour cent de fer maximum, et le Grade 5 reste \u00e0 0,20 pour cent d'oxyg\u00e8ne maximum (ASTM B348, exigences chimiques).<\/p>\n<h2>Envoyer une demande de prix technique<\/h2>\n<p>Pour les demandes de prix de barres en titane, incluez la section, la norme applicable, la nuance et l'UNS, la dimension exprim\u00e9e pour cette section, la longueur avec sa tol\u00e9rance, la classe ou valeur de tol\u00e9rance avec la dimension \u00e0 laquelle elle s'applique, l'\u00e9tat de surface et le certificat mati\u00e8re requis.<\/p>\n<p><a class=\"contact-popup-btn\" href=\"#contact-popup-btn\">Envoyer les d\u00e9tails de la demande de prix<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The bar section is an order line decision, not a shape preference Round, square, flat and hexagon bar are not one product ordered in four outlines. Each section has its own size range, and the section sets the starting cross section the part is machined from. Dedicated ordering pages per section: square bar sizes and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5478,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-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":"","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-4)","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-4)","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-4)","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":""}},"footnotes":""},"categories":[27,137],"tags":[],"class_list":["post-5459","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-technical-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Titanium Bar Section: Round, Square, Flat or Hexagon<\/title>\n<meta name=\"description\" content=\"Each bar section has its own size range and its own tolerance question. See the ranges Beiyu reviews against, where the length cap sits, and what belongs on the purchase order.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/beiyutitanium.com\/fr\/titanium-bar-section-round-square-flat-hex\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Titanium Bar Section: Round, Square, Flat or Hexagon\" \/>\n<meta property=\"og:description\" content=\"Each bar section has its own size range and its own tolerance question. 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Production runs through the Beiyu titanium mill in Baoji, Shaanxi. 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Son travail quotidien couvre les questions auxquelles ce site est destin\u00e9 \u00e0 r\u00e9pondre : choisir entre des nuances de titane commercialement pur et alli\u00e9 pour un service corrosif, lire un certificat mati\u00e8re par rapport \u00e0 la norme command\u00e9e, et faire correspondre la d\u00e9signation d'un acheteur (nuance ASTM, UNS, num\u00e9ro Werkstoff allemand ou code NF fran\u00e7ais) au m\u00eame m\u00e9tal sur diff\u00e9rents march\u00e9s. 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