{"id":122,"count":2,"description":"Cette cat\u00e9gorie oriente les demandes de prix vers tube sans soudure ou soud\u00e9 en tantale<\/a> selon ASTM B521 et plaque, t\u00f4le ou bande en tantale<\/a> selon ASTM B708 lorsque la norme applicable est command\u00e9e. Indiquez l'UNS exact, tel que R05200 ou R05400, plut\u00f4t que de vous fier \u00e0 une d\u00e9signation g\u00e9n\u00e9rale de tantale. Envoyez la forme du produit, l'UNS exact, les dimensions, l'\u00e9tat, la surface, la quantit\u00e9, les milieux de service, la concentration, la temp\u00e9rature, la pression lorsque pertinente, et les documents de contr\u00f4le requis. La page oriente les achats et ne fournit pas de garantie universelle de r\u00e9sistance \u00e0 la corrosion ; le choix final du mat\u00e9riau reste r\u00e9gi par la sp\u00e9cification technique de l'acheteur.\n\n

D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n

ASTM B708 separates unalloyed tantalum by how the metal was made, with R05200 designating electron beam melted material and R05400 the sintered powder metallurgy product, a distinction the mill certificate states through the UNS number rather than the word tantalum. Density gives the second check: tantalum's 16.7 grams per cubic centimeter is nearly twice niobium's 8.6, which is how these two closely related metals are told apart on a scale when paperwork and markings disagree.<\/p>\n

La documentation d'usine de Beiyu couvre le titane et le nickel, pas le tantale, de sorte que Beiyu \u00e9tablit le prix des tubes et plaques en tantale strictement \u00e0 partir du plan de l'acheteur et de la norme d\u00e9sign\u00e9e par la commande plut\u00f4t qu'\u00e0 partir d'une gamme qu'il ne d\u00e9tient pas. Les m\u00e9canismes qualit\u00e9 restent ceux que Beiyu applique \u00e0 ses produits document\u00e9s : composition chimique v\u00e9rifi\u00e9e par l'une de deux fili\u00e8res de laboratoire, contr\u00f4le dimensionnel par rapport \u00e0 la tol\u00e9rance command\u00e9e, contr\u00f4le par tierce partie lorsque le contrat en exige un, et MTC avec certificat de r\u00e9ception 3.1 selon EN 10204 sous tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e selon le p\u00e9rim\u00e8tre de la commande, confirm\u00e9s uniquement apr\u00e8s examen des six champs de demande de prix, nuance, norme, dimensions, tol\u00e9rance, \u00e9tat de surface et \u00e9tendue du contr\u00f4le.<\/p>\n

P\u00e9rim\u00e8tre d'approvisionnement pour le tantale<\/h2>\n

Les commandes de tantale sont de petite taille et r\u00e9gies par un plan, et les deux champs le plus souvent laiss\u00e9s ouverts sont la nuance et la forme du produit plut\u00f4t que la dimension.<\/p>\n\n\n
Forme<\/th>Plage<\/th><\/tr><\/thead>\n
T\u00f4le et plaque<\/td>0,03 mm \u00e0 10 mm d'\u00e9paisseur, largeur 30 mm \u00e0 1000 mm, longueur 30 mm \u00e0 2000 mm<\/td><\/tr>\n
Barre ronde et tige<\/td>Ø3,0 mm \u00e0 100 mm, longueur jusqu'\u00e0 3000 mm<\/td><\/tr>\n
Fil<\/td>Ø0,3 mm \u00e0 3,0 mm<\/td><\/tr>\n
Tube<\/td>Ø1,0 mm \u00e0 100 mm, longueur jusqu'\u00e0 12000 mm<\/td><\/tr>\n<\/tbody>\n<\/table>\n

Le tableau est \u00e9tabli selon ASTM B365, ASTM B708 et ASTM B521 comme sp\u00e9cifications applicables \u00e0 la famille; celle qui s'applique \u00e0 un article donn\u00e9 est confirm\u00e9e avec la commande plut\u00f4t que suppos\u00e9e \u00e0 partir de la forme.<\/p>\n

Trois nuances sont fournies : le tantale non alli\u00e9 sous la d\u00e9signation R05200, et les nuances contenant du tungst\u00e8ne R05252, qui est Ta-2.5W, et R05255, qui est Ta-10W. Elles sont achet\u00e9es pour des conditions de service diff\u00e9rentes plut\u00f4t que comme alternatives, donc la nuance avec son num\u00e9ro doit figurer sur la demande. Beiyu Titanium fournit les gammes du tableau ; les dimensions au-del\u00e0 de celles-ci sont examin\u00e9es individuellement par rapport au plan.<\/p>","link":"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/tantalum\/","name":"Tantale","slug":"tantalum","taxonomy":"product_cat","parent":113,"meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":""},"menu_order":0,"yoast_head":"\nTantalum Supplier | Tantalum Pipe, Tube & Plate | Beiyu<\/title>\n<meta name=\"description\" content=\"Beiyu supplies tantalum pipe, tube and plate (UNS R05200 \/ R05400) to ASTM B521 for the most aggressive acid service, hot HCl, sulphuric and nitric acids.\" \/>\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\/product-category\/woo-products\/refractory-metals\/tantalum\/\" 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