{"id":124,"count":3,"description":"Le zirconium est trait\u00e9 sur ce site comme une fili\u00e8re adjacente de m\u00e9tal r\u00e9actif plut\u00f4t que class\u00e9 comme m\u00e9tal r\u00e9fractaire. Les pages barre et fil de zirconium<\/a>, plaque et t\u00f4le de zirconium<\/a> et tube et tuyau en zirconium<\/a> orientent les demandes de prix Grade 702 \/ UNS R60702 et Grade 705 \/ UNS R60705.\nUtilisez l'ASTM B550 \/ B550M pour la barre et le fil, ou l'ASTM B551 \/ B551M pour le feuillard, la t\u00f4le et la plaque, lorsque la norme produit applicable est command\u00e9e. Indiquez l'UNS exact, la forme, les dimensions, l'\u00e9tat, la tol\u00e9rance, la surface, la quantit\u00e9, les donn\u00e9es de service et les documents requis. La compatibilit\u00e9 avec le milieu et le choix final du grade restent r\u00e9gis par la sp\u00e9cification technique de l'acheteur.\n\n

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

ASTM B550 d\u00e9finit la composition chimique du Grade 702 de sorte que les examinateurs de certificats devraient retenir ce point : R60702 exige un total zirconium plus hafnium de 99.2 pour cent minimum tout en autorisant jusqu'\u00e0 4.5 pour cent d'hafnium, de sorte que la teneur en hafnium, et non un simple chiffre de puret\u00e9 du zirconium, est le point auquel un certificat mati\u00e8re d'usine doit r\u00e9pondre. La densit\u00e9 ajoute une seconde valeur v\u00e9rifiable, puisque les 6.5 grams per cubic centimeter du zirconium en font de loin le m\u00e9tal le plus l\u00e9ger trait\u00e9 avec les fili\u00e8res r\u00e9fractaires ici, soit environ un tiers des 19.3 du tungst\u00e8ne.<\/p>\n

Beiyu Titanium fournit le Grade 702 et le Grade 705 selon l'enveloppe publi\u00e9e plus bas sur cette page, et chiffre chaque article d'apr\u00e8s le plan de l'acheteur et la norme que nomme la commande. Chaque commande suit les m\u00eames contr\u00f4les que les autres lignes de Beiyu : six champs de demande de prix examin\u00e9s d'abord, grade, norme, dimensions, tol\u00e9rance, \u00e9tat de surface et \u00e9tendue du contr\u00f4le, puis composition chimique v\u00e9rifi\u00e9e par l'une des deux fili\u00e8res de laboratoire, contr\u00f4le dimensionnel au regard de la tol\u00e9rance command\u00e9e, et certificat mati\u00e8re avec EN 10204 3.1 sous tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e selon l'\u00e9tendue de la commande.<\/p>\n

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

Le zirconium destin\u00e9 aux applications chimiques est command\u00e9 par nuance plut\u00f4t que par \u00e9l\u00e9ment, puisque les deux nuances fournies sont achet\u00e9es pour des raisons diff\u00e9rentes : le ZR702 non alli\u00e9 et le ZR705 contenant du niobium pour une r\u00e9sistance plus \u00e9lev\u00e9e.<\/p>\n\n\n
Forme<\/th>Plage<\/th>Command\u00e9 selon<\/th><\/tr><\/thead>\n
Barre ronde<\/td>Ø5 mm \u00e0 150 mm, longueur jusqu'\u00e0 6000 mm<\/td>ASTM B550<\/td><\/tr>\n
Fil<\/td>Ø0,5 mm \u00e0 6 mm, longueur jusqu'\u00e0 6000 mm<\/td>AWS A5.24 et ASME SFA-5.24<\/td><\/tr>\n
T\u00f4le<\/td>0,02 mm \u00e0 0,3 mm d'\u00e9paisseur jusqu'\u00e0 300 mm de largeur; 0,5 mm \u00e0 3 mm d'\u00e9paisseur jusqu'\u00e0 1200 mm de largeur, longueur jusqu'\u00e0 6000 mm<\/td>ASTM B551<\/td><\/tr>\n
Plaque<\/td>3 mm \u00e0 70 mm d'\u00e9paisseur, largeur jusqu'\u00e0 2500 mm, longueur jusqu'\u00e0 6000 mm<\/td>ASTM B551<\/td><\/tr>\n<\/tbody>\n<\/table>\n

Les nuances portent les d\u00e9signations UNS R60702 et UNS R60705. Le zirconium industriel est fourni avec sa teneur naturelle en hafnium conserv\u00e9e, car l'\u00e9limination de l'hafnium est effectu\u00e9e pour des raisons d'absorption neutronique plut\u00f4t que de corrosion; les nuances nucl\u00e9aires sont celles pour lesquelles l'hafnium est limit\u00e9, et les installations chimiques les exigent presque jamais. Le tube en zirconium est produit dans la m\u00eame famille de nuances et fait l'objet d'une offre s\u00e9par\u00e9e. Le tableau indique les plages que Beiyu Titanium fournit; les travaux hors de ces plages font l'objet d'une offre selon le plan.<\/p>","link":"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/zirconium\/","name":"Zirconium","slug":"zirconium","taxonomy":"product_cat","parent":113,"meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":""},"menu_order":0,"yoast_head":"\nZirconium Supplier | Zirconium Bar & Plate Gr702\/705 | Beiyu<\/title>\n<meta name=\"description\" content=\"Beiyu supplies zirconium bar and plate in Grade 702 \/ 705 to ASTM B550 \/ B551 for corrosive acid and chemical-process service.\" \/>\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\/zirconium\/\" \/>\n<meta property=\"og:locale\" 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