{"id":5594,"date":"2026-08-27T15:12:51","date_gmt":"2026-08-27T15:12:51","guid":{"rendered":"https:\/\/beiyutitanium.com\/titanium-round-bar-1-to-500-mm\/"},"modified":"2026-08-28T01:35:59","modified_gmt":"2026-08-28T01:35:59","slug":"titanium-round-bar-1-to-500-mm","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/fr\/titanium-round-bar-1-to-500-mm\/","title":{"rendered":"Barre ronde en titane de 1 \u00e0 500 mm : une gamme d'approvisionnement, une commande"},"content":{"rendered":"<p>Beiyu Titanium fournit des barres rondes en titane de 1 mm \u00e0 500 mm de diam\u00e8tre dans une m\u00eame gamme d'approvisionnement, avec des longueurs jusqu'\u00e0 6000 mm, selon ASTM B348, avec un certificat de r\u00e9ception 3.1 selon EN 10204 selon le p\u00e9rim\u00e8tre de la commande. Un m\u00eame p\u00e9rim\u00e8tre est important pour une raison pratique : un projet comprenant des goupilles fines d'instrumentation et des \u00e9bauches lourdes de brides peut relever d'une seule commande.<\/p>\n<h2>Que couvre r\u00e9ellement la plage de 1 \u00e0 500 mm ?<\/h2>\n<table>\n<thead>\n<tr>\n<th>Plage de diam\u00e8tres<\/th>\n<th>Pi\u00e8ces typiques<\/th>\n<th>Remarque<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1 \u00e0 10 mm<\/td>\n<td>Goupilles, arbres d'instrumentation, \u00e9bauches d'\u00e9l\u00e9ments de fixation<\/td>\n<td>Les petites dimensions sont fournies en barre droite, coup\u00e9e \u00e0 longueur<\/td>\n<\/tr>\n<tr>\n<td>10 \u00e0 100 mm<\/td>\n<td>Composants usin\u00e9s, composants internes de vannes, arbres<\/td>\n<td>La plage la plus demand\u00e9e pour le stock destin\u00e9 \u00e0 l'usinage<\/td>\n<\/tr>\n<tr>\n<td>100 \u00e0 300 mm<\/td>\n<td>Disques, moyeux, \u00e9bauches de conversion pour pi\u00e8ces forg\u00e9es<\/td>\n<td>Poids de coupe indiqu\u00e9s par pi\u00e8ce<\/td>\n<\/tr>\n<tr>\n<td>300 \u00e0 500 mm<\/td>\n<td>\u00c9bauches lourdes et dimensions proches des billettes<\/td>\n<td>Produites selon la commande<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quel est le poids d'une barre ronde par m\u00e8tre ?<\/h2>\n<p>Calcul\u00e9 \u00e0 4,51 g\/cm3 pour Grade 2, la densit\u00e9 utilis\u00e9e par le <a href=\"https:\/\/beiyutitanium.com\/fr\/titanium-weight-calculator\/\">calculateur de poids du titane Beiyu<\/a>; Grade 5 est environ 2 pour cent plus l\u00e9ger \u00e0 4,43 g\/cm3.<\/p>\n<table>\n<thead>\n<tr>\n<th>Diam\u00e8tre (mm)<\/th>\n<th>Poids de Grade 2 (kg\/m)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>5<\/td>\n<td>0.09<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>0.35<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>2.21<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>8.86<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>35.4<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>142<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>319<\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>886<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Une note de commande directement issue de la norme : le poids d'exp\u00e9dition de toute dimension command\u00e9e peut d\u00e9passer le poids th\u00e9orique jusqu'\u00e0 10 pour cent selon ASTM B348, c'est pourquoi les commandes fond\u00e9es sur le poids devraient indiquer th\u00e9orique ou r\u00e9el.<\/p>\n<h2>Comment une barre passe-t-elle d'une surface forg\u00e9e au diam\u00e8tre fini ?<\/h2>\n<p>Les barres lourdes commencent avec une surface brute de forge et sont pel\u00e9es et rectifi\u00e9es jusqu'\u00e0 l'\u00e9tat command\u00e9.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/as-forged-titanium-bar-before-grinding.jpg\" alt=\"Titanium bar with as forged surface before peeling and grinding\" loading=\"lazy\"\/><figcaption>Surface brute de forgeage, avant pelage et rectification.<\/figcaption><\/figure>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-bar-centerless-grinding-line.jpg\" alt=\"Centerless grinding line at the Beiyu bar mill, where titanium bar is ground to final diameter\" loading=\"lazy\"\/><figcaption>La rectification sans centre am\u00e8ne la barre au diam\u00e8tre final.<\/figcaption><\/figure>\n<h2>Quels contr\u00f4les sont r\u00e9alis\u00e9s sur la barre finie ?<\/h2>\n<p>Sur la ligne de finition des barres de Beiyu, cinq contr\u00f4les sont effectu\u00e9s avec une couverture de 100 pour cent plut\u00f4t que par \u00e9chantillonnage ; pour les billettes de grandes dimensions, le p\u00e9rim\u00e8tre du contr\u00f4le est convenu dans la commande. Les param\u00e8tres ultrasonores sont indiqu\u00e9s afin qu'une classe d'acceptation puisse \u00eatre inscrite dans la commande.<\/p>\n<table>\n<thead>\n<tr>\n<th>Contr\u00f4le<\/th>\n<th>Param\u00e8tres<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ultrasons<\/td>\n<td>M\u00e9thode par immersion, onde longitudinale focalis\u00e9e, 100 pour cent de la circonf\u00e9rence, r\u00e9f\u00e9rence par trou \u00e0 fond plat de 1,2 mm \u00e0 80 pour cent de la hauteur d'\u00e9cran, 10 MHz, Classe A1, selon AMS-STD-2154 ou GB\/T 5193<\/td>\n<\/tr>\n<tr>\n<td>Courants de Foucault<\/td>\n<td>100 pour cent de la longueur de la barre<\/td>\n<\/tr>\n<tr>\n<td>Contr\u00f4le optique de surface<\/td>\n<td>100 pour cent<\/td>\n<\/tr>\n<tr>\n<td>Mesure du diam\u00e8tre par laser infrarouge<\/td>\n<td>100 pour cent de la longueur de la barre<\/td>\n<\/tr>\n<tr>\n<td>Rectitude<\/td>\n<td>couverture de 100 pour cent ; sur la ligne de rectification de pr\u00e9cision, maintenue \u00e0 0,5 mm par m\u00e8tre, resserr\u00e9e \u00e0 0,3 mm par m\u00e8tre pour 25 mm et moins<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-bar-eddy-current-inspection.jpg\" alt=\"Titanium bar passing through eddy current inspection heads on the finishing line\" loading=\"lazy\"\/><figcaption>Les t\u00eates \u00e0 courants de Foucault balayent toute la longueur de la barre.<\/figcaption><\/figure>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-bar-straightness-inspection.jpg\" alt=\"Operator checking titanium bar straightness against a surface plate\" loading=\"lazy\"\/><figcaption>Rectitude contr\u00f4l\u00e9e sur un marbre.<\/figcaption><\/figure>\n<h2>Quelle tol\u00e9rance de diam\u00e8tre peut \u00eatre command\u00e9e ?<\/h2>\n<p>Les variations admissibles pr\u00e9vues par ASTM B348 constituent la r\u00e9f\u00e9rence que toute usine vous doit ; toute exigence plus stricte constitue un programme suppl\u00e9mentaire. Lignes s\u00e9lectionn\u00e9es, en millim\u00e8tres :<\/p>\n<table>\n<thead>\n<tr>\n<th>Diam\u00e8tre (mm)<\/th>\n<th>Travaill\u00e9 \u00e0 chaud, tableau 4 de B348<\/th>\n<th>Fini \u00e0 froid, tableau 7 de B348<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>6.35 \u00e0 7.94<\/td>\n<td>+\/-0.13<\/td>\n<td rowspan=\"2\">12.70 \u00e0 25.40 : +\/-0.05<\/td>\n<\/tr>\n<tr>\n<td>15.88 \u00e0 22.22<\/td>\n<td>+\/-0.20<\/td>\n<\/tr>\n<tr>\n<td>25.40 \u00e0 28.58<\/td>\n<td>+\/-0.25<\/td>\n<td rowspan=\"2\">25.40 \u00e0 101.60 : +\/-0.064 \u00e0 +\/-0.08<\/td>\n<\/tr>\n<tr>\n<td>38.10 \u00e0 50.80<\/td>\n<td>+\/-0.40<\/td>\n<\/tr>\n<tr>\n<td>50.80 \u00e0 63.50<\/td>\n<td>+0.79 \/ -0<\/td>\n<td rowspan=\"2\">Par accord<\/td>\n<\/tr>\n<tr>\n<td>88.90 \u00e0 114.30<\/td>\n<td>+1.59 \/ -0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>En compl\u00e9ment de cette base, le programme de rectification de pr\u00e9cision de Beiyu couvre des diam\u00e8tres de 3,175 \u00e0 25,4 mm \u00e0 +\/-0,0127 mm, resserr\u00e9s \u00e0 +\/-0,0076 mm par rapport \u00e0 un plan, et les classes ISO h6 \u00e0 h9 sont propos\u00e9es sur demande dans le cadre du programme de barres de Beiyu. Pour la rectitude, la m\u00eame superposition s'applique : ASTM B348 Tableau 11 autorise une fl\u00e8che de 1,59 mm sur toute longueur de 1524 mm pour les barres d'usinage finies \u00e0 froid, tandis que la ligne de rectification de Beiyu maintient 0,5 mm par m\u00e8tre, 0,3 mm par m\u00e8tre \u00e0 25 mm et moins, soit environ deux fois plus serr\u00e9 que la base de la norme.<\/p>\n<h2>Dans quel \u00e9tat et avec quelle surface la barre est-elle livr\u00e9e ?<\/h2>\n<p>Les barres selon ASTM B348 sont fournies \u00e0 l'\u00e9tat recuit, l'\u00e9tat couvert par le domaine d'application de la norme (clause 1.1), et la clause 8.1 \u00e9num\u00e8re les surfaces sous lesquelles le mat\u00e9riau recuit peut \u00eatre fourni : d\u00e9cap\u00e9, sabl\u00e9, rectifi\u00e9 ou tourn\u00e9 brut. Indiquez la surface dans la commande de la m\u00eame mani\u00e8re que vous indiquez la nuance. Une autre clause \u00e0 conna\u00eetre : les propri\u00e9t\u00e9s de traction du Tableau 2 s'appliquent aux sections jusqu'\u00e0 76 mm, et les propri\u00e9t\u00e9s m\u00e9caniques des sections plus grandes sont n\u00e9goci\u00e9es entre le fabricant et l'acheteur. Pour la plage de 100 mm et plus, les valeurs d'acceptation doivent donc figurer sur la commande, et non dans des hypoth\u00e8ses.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-precision-ground-bar-batch.webp\" alt=\"Batch of precision ground titanium round bar laid out for inspection\" loading=\"lazy\"\/><figcaption>Lot de barres rectifi\u00e9es de pr\u00e9cision dispos\u00e9 pour contr\u00f4le.<\/figcaption><\/figure>\n<h2>Limites chimiques par nuance, issues de la norme elle-m\u00eame<\/h2>\n<p>Il s'agit des exigences chimiques du tableau 1 d'ASTM B348 pour les nuances les plus command\u00e9es sous forme de barres, en pourcentage massique, les valeurs uniques \u00e9tant des maximums.<\/p>\n<table>\n<thead>\n<tr>\n<th>Nuance<\/th>\n<th>C<\/th>\n<th>O<\/th>\n<th>N<\/th>\n<th>H<\/th>\n<th>Fe<\/th>\n<th>\u00c9l\u00e9ments d'alliage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>0.08<\/td>\n<td>0.18<\/td>\n<td>0.03<\/td>\n<td>0.015<\/td>\n<td>0.20<\/td>\n<td>Non alli\u00e9<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>0.08<\/td>\n<td>0.25<\/td>\n<td>0.03<\/td>\n<td>0.015<\/td>\n<td>0.30<\/td>\n<td>Non alli\u00e9<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>0.08<\/td>\n<td>0.20<\/td>\n<td>0.05<\/td>\n<td>0.015<\/td>\n<td>0.40<\/td>\n<td>Al 5.5-6.75, V 3.5-4.5<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>0.08<\/td>\n<td>0.25<\/td>\n<td>0.03<\/td>\n<td>0.015<\/td>\n<td>0.30<\/td>\n<td>Pd 0.12-0.25<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>0.08<\/td>\n<td>0.25<\/td>\n<td>0.03<\/td>\n<td>0.015<\/td>\n<td>0.30<\/td>\n<td>Mo 0.2-0.4, Ni 0.6-0.9<\/td>\n<\/tr>\n<tr>\n<td>23<\/td>\n<td>0.08<\/td>\n<td>0.13<\/td>\n<td>0.03<\/td>\n<td>0.0125<\/td>\n<td>0.25<\/td>\n<td>Al 5.5-6.5, V 3.5-4.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Deux conseils de lecture qu'un acheteur peut utiliser imm\u00e9diatement. Premi\u00e8rement, Grade 23 est Grade 5 avec une teneur en oxyg\u00e8ne r\u00e9duite \u00e0 0.13 et une teneur en hydrog\u00e8ne \u00e0 0.0125 pour cent, ce qui correspond exactement \u00e0 ce que couvre l'ELI dans son nom. Deuxi\u00e8mement, les \u00e9l\u00e9ments non r\u00e9pertori\u00e9s sont limit\u00e9s \u00e0 0.1 pour cent chacun et \u00e0 0.4 pour cent au total selon le m\u00eame tableau, et l'article 5.1.1.1 d'ASTM B348 n'exige pas d'analyse produit pour les \u00e9l\u00e9ments non r\u00e9pertori\u00e9s, sauf si la commande le pr\u00e9cise.<\/p>\n<h2>Minimums de r\u00e9sistance \u00e0 la traction par nuance, issus de la norme elle-m\u00eame<\/h2>\n<table>\n<thead>\n<tr>\n<th>Nuance<\/th>\n<th>R\u00e9sistance \u00e0 la traction min (MPa)<\/th>\n<th>Limite d'\u00e9lasticit\u00e9 min (MPa)<\/th>\n<th>Allongement min (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>240<\/td>\n<td>138<\/td>\n<td>24<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>345<\/td>\n<td>275<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>2H<\/td>\n<td>400<\/td>\n<td>275<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>895<\/td>\n<td>828<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>345<\/td>\n<td>275<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>483<\/td>\n<td>345<\/td>\n<td>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Toutes les valeurs correspondent aux exigences de traction du tableau 2 d'ASTM B348 pour les barres recuites, applicables aux sections jusqu'\u00e0 76 mm. Grade 7 correspond m\u00e9caniquement \u00e0 Grade 2 ; ce qu'il apporte est l'ajout de palladium pour les acides r\u00e9ducteurs, et non la r\u00e9sistance.<\/p>\n<h2>\u00c0 quel moment une commande de barre ronde devient-elle une commande de billette ?<\/h2>\n<p>ASTM B348 \u00e9tablit elle-m\u00eame la distinction : la barre est une section pleine jusqu'\u00e0 16 pouces carr\u00e9s, 10323 millim\u00e8tres carr\u00e9s, de section transversale, et la billette est le produit semi-fini plein au-del\u00e0 de cette valeur (articles 3.1.1 et 3.1.2). Converti en cercle, 10323 millim\u00e8tres carr\u00e9s correspond \u00e0 un diam\u00e8tre d'environ 115 mm ; ainsi, au-del\u00e0 d'environ 115 mm, un produit rond est class\u00e9 comme billette selon la m\u00eame norme. Rien ne change en pratique pour l'acheteur : m\u00eames nuances, m\u00eame certificat, m\u00eame tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, et Beiyu propose la plage de 115 \u00e0 500 mm comme billette ou barre lourde selon le libell\u00e9 de la commande.<\/p>\n<h2>Quelles nuances sont disponibles dans cette plage ?<\/h2>\n<table>\n<thead>\n<tr>\n<th>Nuance<\/th>\n<th>UNS<\/th>\n<th>Command\u00e9 pour<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Grade 1<\/td>\n<td>R50250<\/td>\n<td>Pi\u00e8ces n\u00e9cessitant un formage important, applications d'anodes<\/td>\n<\/tr>\n<tr>\n<td>Grade 2<\/td>\n<td>R50400<\/td>\n<td>Le choix par d\u00e9faut pour les applications chimiques et industrielles g\u00e9n\u00e9rales<\/td>\n<\/tr>\n<tr>\n<td>Grade 5<\/td>\n<td>R56400<\/td>\n<td>Pi\u00e8ces usin\u00e9es dict\u00e9es par la r\u00e9sistance<\/td>\n<\/tr>\n<tr>\n<td>Grade 7<\/td>\n<td>R52400<\/td>\n<td>Environnements acides r\u00e9ducteurs, contenant du palladium \u00e0 0.12 \u00e0 0.25 pour cent<\/td>\n<\/tr>\n<tr>\n<td>Grade 12<\/td>\n<td>R53400<\/td>\n<td>Saumure chaude et conditions de corrosion caverneuse<\/td>\n<\/tr>\n<tr>\n<td>Grade 23<\/td>\n<td>R56407<\/td>\n<td>Barre ELI lorsque la t\u00e9nacit\u00e9 est d\u00e9terminante<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tous selon ASTM B348. Pour les applications d'implants indiqu\u00e9es selon ASTM F136, la d\u00e9signation ELI devient UNS R56401, une distinction couverte dans le certificat lui-m\u00eame.<\/p>\n<h2>Comment la barre est-elle exp\u00e9di\u00e9e ?<\/h2>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-round-bar-straight-cut-lengths-crate-packing.jpg\" alt=\"Titanium round bar in straight cut lengths, film wrapped and packed in a long timber crate for export\" loading=\"lazy\"\/><figcaption>Longueurs de coupe droites, emball\u00e9es sous film, dans des caisses d'exportation en bois ; les \u00e9tiquettes de faisceau portent le num\u00e9ro de coul\u00e9e.<\/figcaption><\/figure>\n<p>Les \u00e9tiquettes de faisceau portent le num\u00e9ro de coul\u00e9e correspondant au certificat de r\u00e9ception 3.1 selon EN 10204, de sorte que le contr\u00f4le \u00e0 r\u00e9ception peut assurer la tra\u00e7abilit\u00e9 de chaque faisceau ligne par ligne sans ouvrir de correspondance.<\/p>\n<h2>D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n<p>Les d\u00e9signations de nuance et les limites sont selon ASTM B348, y compris Grade 2 sous UNS R50400 avec un oxyg\u00e8ne \u00e0 0,25 pour cent maximum et une r\u00e9sistance \u00e0 la traction \u00e0 345 MPa minimum \u00e0 l'\u00e9tat recuit, valeurs produites par les m\u00e9thodes cit\u00e9es par la norme telles que E8 pour les essais de traction et E1409 pour l'oxyg\u00e8ne et l'azote. La plage de diam\u00e8tres de 1 \u00e0 500 mm, la limite de longueur de 6000 mm, les classes de tol\u00e9rance de diam\u00e8tre h6 \u00e0 h9 des tableaux de barres de la brochure de l'usine Beiyu, les tol\u00e9rances des barres rectifi\u00e9es et les param\u00e8tres ultrasonores constituent le domaine d'approvisionnement publi\u00e9 et la routine de contr\u00f4le propres \u00e0 Beiyu. Chaque commande est accompagn\u00e9e d'un certificat de r\u00e9ception de type 3.1 selon EN 10204 avec num\u00e9ros de coul\u00e9e et num\u00e9ros de coul\u00e9e de coul\u00e9e selon le p\u00e9rim\u00e8tre de la commande.<\/p>\n<p>Note sur le p\u00e9rim\u00e8tre des m\u00e9thodes mentionn\u00e9es ci-dessus : elles d\u00e9terminent uniquement la mani\u00e8re dont les valeurs du certificat sont produites. E8 r\u00e9git l'essai de traction lui-m\u00eame, E1409 la d\u00e9termination de l'oxyg\u00e8ne et de l'azote ; les citer n'ajoute aucun contr\u00f4le au-del\u00e0 de la commande, et une analyse de coul\u00e9e reste distincte d'une analyse de contr\u00f4le sur le produit livr\u00e9.<\/p>\n<h2>Questions fr\u00e9quemment pos\u00e9es<\/h2>\n<p><strong>Toute la gamme suit-elle le m\u00eame circuit de production?<\/strong> Non; les petites et moyennes dimensions suivent des circuits plus courts, les grandes dimensions sont produites selon la commande, et la r\u00e9ponse \u00e0 la demande de prix indique le circuit applicable. Aucun tableau de disponibilit\u00e9 n'est publi\u00e9.<\/p>\n<p><strong>Une m\u00eame commande peut-elle m\u00e9langer des diam\u00e8tres et des nuances?<\/strong> Oui, chaque ligne comporte sa propre nuance, dimension et p\u00e9rim\u00e8tre de certificat; les coul\u00e9es sont indiqu\u00e9es s\u00e9par\u00e9ment sur le document 3.1.<\/p>\n<p><strong>Quel est le poids d'une barre de 100 mm de longueur 6000 mm ?<\/strong> Environ 213 kg \u00e0 4,51 g\/cm3, c'est pourquoi la gamme de 100 mm et plus est g\u00e9n\u00e9ralement exp\u00e9di\u00e9e sous forme de pi\u00e8ces coup\u00e9es avec des poids de pi\u00e8ce convenus.<\/p>\n<p><strong>O\u00f9 se situent les sections carr\u00e9es, plates et hexagonales?<\/strong> Compar\u00e9 c\u00f4te \u00e0 c\u00f4te dans <a href=\"https:\/\/beiyutitanium.com\/fr\/titanium-bar-section-round-square-flat-hex\/\">choisir une section de barre en titane<\/a>.<\/p>\n<p><strong>Qu'est-ce que Grade 2H dans une sp\u00e9cification d'appareil \u00e0 pression ?<\/strong> Selon ASTM B348, une nuance H est identique \u00e0 sa nuance num\u00e9rique avec une r\u00e9sistance \u00e0 la traction minimale sp\u00e9cifi\u00e9e plus \u00e9lev\u00e9e, Grade 2H \u00e0 58 ksi minimum ; 2H, 7H, 16H et 26H sont principalement command\u00e9es pour les appareils \u00e0 pression.<\/p>\n<p><strong>Que devrait v\u00e9rifier un premier acheteur sur le certificat?<\/strong> La proc\u00e9dure de v\u00e9rification se trouve dans <a href=\"https:\/\/beiyutitanium.com\/fr\/astm-b348-titanium-bar-supplier-en-10204-31\/\">qui fournit des barres en titane ASTM B348 avec des certificats EN 10204 3.1<\/a>.<\/p>\n<h2>Demander une offre pour une barre ronde<\/h2>\n<p>Envoyez le diam\u00e8tre, la nuance, la norme, la longueur, la quantit\u00e9, l'\u00e9tat et l'exigence de certificat \u00e0 <a href=\"https:\/\/beiyutitanium.com\/fr\/contact\/\">la page de demande de prix de Beiyu<\/a>. R\u00e9vis\u00e9 par <a href=\"https:\/\/beiyutitanium.com\/fr\/penn-ma\/\">Penn Ma<\/a>, 15 ans dans l'exportation de produits lamin\u00e9s en titane. Derni\u00e8re r\u00e9vision : 2026-08-27.<\/p>","protected":false},"excerpt":{"rendered":"<p>Beiyu Titanium supplies round titanium bar from 1 mm to 500 mm diameter in one supply range, lengths up to 6000 mm, to ASTM B348, with an EN 10204 type 3.1 certificate by order scope. One envelope matters for one practical reason: a project with thin instrument pins and heavy flange blanks can sit on [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"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-5594","post","type-post","status-publish","format-standard","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 Round Bar 1 to 500 mm: One Supply Range, One PO - Beiyu Titanium<\/title>\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-round-bar-1-to-500-mm\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Titanium Round Bar 1 to 500 mm: One Supply Range, One PO - Beiyu Titanium\" \/>\n<meta property=\"og:description\" content=\"Beiyu Titanium supplies round titanium bar from 1 mm to 500 mm diameter in one supply range, lengths up to 6000 mm, to ASTM B348, with an EN 10204 type 3.1 certificate by order scope. One envelope matters for one practical reason: a project with thin instrument pins and heavy flange blanks can sit on [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/beiyutitanium.com\/fr\/titanium-round-bar-1-to-500-mm\/\" \/>\n<meta property=\"og:site_name\" content=\"Beiyu Titanium\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-27T15:12:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-28T01:35:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/as-forged-titanium-bar-before-grinding.jpg\" \/>\n<meta name=\"author\" content=\"Penn Ma\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Penn Ma\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/\"},\"author\":{\"name\":\"Penn Ma\",\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/#\\\/schema\\\/person\\\/3560db17cf08813edf34f012735b971b\"},\"headline\":\"Titanium Round Bar 1 to 500 mm: One Supply Range, One PO\",\"datePublished\":\"2026-08-27T15:12:51+00:00\",\"dateModified\":\"2026-08-28T01:35:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/\"},\"wordCount\":1410,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/beiyutitanium.com\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/as-forged-titanium-bar-before-grinding.jpg\",\"articleSection\":[\"News\",\"Technical Guides\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/\",\"url\":\"https:\\\/\\\/beiyutitanium.com\\\/titanium-round-bar-1-to-500-mm\\\/\",\"name\":\"Titanium Round Bar 1 to 500 mm: One Supply Range, One PO - 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Production runs through the Beiyu titanium mill in Baoji, Shaanxi. Orders are RFQ-based, with EN 10204 3.1 mill test certificates and heat-number traceability available on request.\",\"areaServed\":\"Worldwide\",\"knowsAbout\":[\"Titanium\",\"Titanium alloy\",\"Titanium bar\",\"Titanium sheet and plate\",\"Titanium tube and pipe\",\"Titanium forgings\",\"Titanium wire\",\"Titanium anode\"],\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"Baotai Road Industrial Park, High-tech Development Zone\",\"addressLocality\":\"Baoji\",\"addressRegion\":\"Shaanxi\",\"addressCountry\":\"CN\"},\"legalName\":\"Jiaxing Beiyu New Materials Technology Co., Ltd.\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/beiyutitanium.com\\\/#\\\/schema\\\/person\\\/3560db17cf08813edf34f012735b971b\",\"name\":\"Penn Ma\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g\",\"caption\":\"Penn Ma\"},\"description\":\"Penn Ma is the person who answers the RFQs at Beiyu Titanium. Over 15 years in titanium export he has learned to review each specification line himself, checking grade, standard, dimensions, tolerance and certificate scope against mill capability before quoting, rather than routing enquiries through a sales desk. He came to titanium supply from the other side of the transaction. Before leading Beiyu's international business he worked at Koch (Koch-Glitsch) and was directly involved in delivering a SABIC petrochemical project in Fujian, China. That work was built on inspection and test plans, material certification and heat traceability, third party inspection coordination, and project documentation and dossier control. Those are the same four things a process industry or regulated buyer will hold a titanium supplier to, and having had to enforce them as a customer is why they are treated here as part of the supply rather than as paperwork produced afterwards. His day-to-day work spans the questions this site is written to answer: choosing between commercially pure and alloyed titanium grades for a corrosive service, reading a mill test certificate against the ordered standard, and matching a buyer's designation (ASTM grade, UNS, German Werkstoff number or French NF code) to the same metal across markets. Beiyu supplies titanium, nickel-alloy and refractory mill products across bar, rod, plate, tube, block, ring, coil, ingot, forgings and machined parts, with EN 10204 3.1 documentation and heat-number traceability.\",\"url\":\"https:\\\/\\\/beiyutitanium.com\\\/fr\\\/author\\\/penn-ma\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Barres rondes en titane de 1 \u00e0 500 mm : une plage d'approvisionnement, une commande - Beiyu Titanium","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/beiyutitanium.com\/fr\/titanium-round-bar-1-to-500-mm\/","og_locale":"fr_FR","og_type":"article","og_title":"Titanium Round Bar 1 to 500 mm: One Supply Range, One PO - Beiyu Titanium","og_description":"Beiyu Titanium supplies round titanium bar from 1 mm to 500 mm diameter in one supply range, lengths up to 6000 mm, to ASTM B348, with an EN 10204 type 3.1 certificate by order scope. 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La production est assur\u00e9e par l'usine de titane Beiyu \u00e0 Baoji, Shaanxi. Les commandes sont trait\u00e9es sur demande de prix, avec des certificats de r\u00e9ception 3.1 selon EN 10204 et une tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e disponibles sur demande.","areaServed":"Worldwide","knowsAbout":["Titanium","Titanium alloy","Titanium bar","Titanium sheet and plate","Titanium tube and pipe","Titanium forgings","Titanium wire","Titanium anode"],"address":{"@type":"PostalAddress","streetAddress":"Baotai Road Industrial Park, High-tech Development Zone","addressLocality":"Baoji","addressRegion":"Shaanxi","addressCountry":"CN"},"legalName":"Jiaxing Beiyu New Materials Technology Co., Ltd."},{"@type":"Person","@id":"https:\/\/beiyutitanium.com\/#\/schema\/person\/3560db17cf08813edf34f012735b971b","name":"Penn Ma","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","caption":"Penn Ma"},"description":"Penn Ma est la personne qui r\u00e9pond aux demandes de prix chez Beiyu Titanium. Avec plus de 15 ans d'exp\u00e9rience dans l'exportation de titane, il a appris \u00e0 examiner lui-m\u00eame chaque ligne de sp\u00e9cification, en v\u00e9rifiant la nuance, la norme, les dimensions, la tol\u00e9rance et le p\u00e9rim\u00e8tre du certificat par rapport aux capacit\u00e9s de l'usine avant d'\u00e9tablir une offre, plut\u00f4t que d'orienter les demandes vers un service commercial. Il est venu \u00e0 l'approvisionnement en titane depuis l'autre c\u00f4t\u00e9 de la transaction. Avant de diriger les activit\u00e9s internationales de Beiyu, il a travaill\u00e9 chez Koch (Koch-Glitsch) et a particip\u00e9 directement \u00e0 la r\u00e9alisation d'un projet p\u00e9trochimique SABIC dans le Fujian, en Chine. Ce travail reposait sur des plans de contr\u00f4le et d'essais, la certification des mat\u00e9riaux et la tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, la coordination du contr\u00f4le par tierce partie, ainsi que le contr\u00f4le de la documentation et des dossiers de projet. Ce sont les quatre m\u00eames \u00e9l\u00e9ments qu'un acheteur de l'industrie des proc\u00e9d\u00e9s ou un acheteur soumis \u00e0 r\u00e9glementation exigera d'un fournisseur de titane, et le fait d'avoir d\u00fb les faire appliquer en tant que client explique qu'ils soient trait\u00e9s ici comme faisant partie de la fourniture plut\u00f4t que comme des documents produits ult\u00e9rieurement. 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. Beiyu fournit des produits d'usine en titane, alliages de nickel et m\u00e9taux r\u00e9fractaires, notamment des barres, tiges, plaques, tubes, blocs, anneaux, bobines, lingots, pi\u00e8ces forg\u00e9es et pi\u00e8ces usin\u00e9es, avec documentation EN 10204 3.1 et tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e.","url":"https:\/\/beiyutitanium.com\/fr\/author\/penn-ma\/"}]}},"_links":{"self":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts\/5594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/comments?post=5594"}],"version-history":[{"count":3,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts\/5594\/revisions"}],"predecessor-version":[{"id":5608,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts\/5594\/revisions\/5608"}],"wp:attachment":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/media?parent=5594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/categories?post=5594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/tags?post=5594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}