{"id":4083,"date":"2026-06-03T13:55:17","date_gmt":"2026-06-03T13:55:17","guid":{"rendered":"https:\/\/beiyutitanium.com\/product\/niobium-pipe-tube\/"},"modified":"2026-09-18T23:21:10","modified_gmt":"2026-09-18T23:21:10","slug":"niobium-pipe-tube","status":"publish","type":"product","link":"https:\/\/beiyutitanium.com\/fr\/product\/niobium-pipe-tube\/","title":{"rendered":"Tubes et tubes en niobium"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4083\" class=\"elementor elementor-4083\" data-elementor-post-type=\"product\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bywave4section elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"bywave4section\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ob_glider_is_slider&quot;:&quot;no&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container 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.by-specband{grid-template-columns:repeat(2,1fr)}.by-product-template .by-apps{grid-template-columns:1fr}.by-product-template .by-thead{display:none}.by-product-template .by-row{grid-template-columns:1fr}.by-product-template .by-row>div{border-right:0;border-top:1px solid var(--by-line)}.by-product-template .by-row>div:first-child{border-top:0}.by-product-template .by-row .go{display:none}}\n@media(max-width:560px){.by-product-template .by-specband,.by-product-template .by-appgrid{grid-template-columns:1fr}.by-product-template .by-section-head{display:block}.by-product-template .by-section-head a{display:inline-block;margin-top:8px}.by-product-template .by-mini{grid-template-columns:82px 1fr}.by-product-template .by-mini img{width:82px;height:64px}.by-product-template .by-cta{padding:28px 22px}}\n<\/style><div class=\"by-product-template by-product-4083\">\n  <div class=\"by-wrap\">\n    <div class=\"by-topnote\" aria-label=\"Aper\u00e7u technique du niobium\">\n      <div class=\"by-specband\"><div class=\"cell\"><strong>Nb1 \/ Nb1Zr<\/strong><span>Nuances courantes de niobium<\/span><\/div><div class=\"cell\"><strong>ASTM B394<\/strong><span>R\u00e9f\u00e9rence pour tubes<\/span><\/div><div class=\"cell\"><strong>8,57 g\/cm3<\/strong><span>Densit\u00e9 typique du niobium<\/span><\/div><div class=\"cell\"><strong>Certificat mati\u00e8re \/ 3.1<\/strong><span>Documents de tra\u00e7abilit\u00e9 sur demande<\/span><\/div><div class=\"by-note\"><b>L'acceptation est conforme \u00e0 la sp\u00e9cification command\u00e9e.<\/b> Les valeurs sont uniquement des r\u00e9f\u00e9rences de demande de prix. La nuance finale, la composition chimique, les dimensions, le contr\u00f4le et la documentation sont confirm\u00e9s par la sp\u00e9cification d'achat et le certificat mati\u00e8re.<\/div><\/div>\n    <\/div>\n    <div class=\"by-grid\">\n      <div class=\"by-prose\">\n<p><!-- beiyu-envelope-lead-20261003 --><strong>Plage de fourniture :<\/strong> pour les deux nuances propos\u00e9es sur cette page, Nb1 et Nb1Zr, le tube et le tuyau en niobium vont de 2,0 mm \u00e0 100 mm de diam\u00e8tre ext\u00e9rieur, en longueurs jusqu'\u00e0 8000 mm, al\u00e9atoires ou fixes, coup\u00e9es selon plan, \u00e0 l'\u00e9tat recuit avec surface brillante ou d\u00e9cap\u00e9e, l'\u00e9paisseur de paroi \u00e9tant prise sur le plan. Les autres alliages de niobium sont fournis selon la sp\u00e9cification client et chiffr\u00e9s sur plan.<\/p><p><a href=\"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/niobium\/\">Niobium<\/a> (columbium, Nb), le tube associe une forte r\u00e9sistance \u00e0 la corrosion \u00e0 une ductilit\u00e9 \u00e9lev\u00e9e et \u00e0 un point de fusion tr\u00e8s \u00e9lev\u00e9 (2468&nbsp;\u00b0C). Il r\u00e9siste \u00e0 la plupart des acides min\u00e9raux et organiques, aux m\u00e9taux liquides et aux m\u00e9taux alcalins fondus, et est largement choisi lorsque <a href=\"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/tantalum\/\">tantale<\/a>-niveau de r\u00e9sistance est souhait\u00e9 \u00e0 un co\u00fbt et un poids inf\u00e9rieurs.<\/p>\n<h2>Nuances et normes<\/h2>\n<table><thead><tr><th>Nuance<\/th><th>UNS<\/th><th>Composition<\/th><th>Norme<\/th><\/tr><\/thead><tbody>\n<tr><td>Nb1 (non alli\u00e9)<\/td><td>R04200<\/td><td>Niobium non alli\u00e9<\/td><td>ASTM B394 \/ B393<\/td><\/tr>\n<tr><td>Nb1Zr (Nb-1Zr)<\/td><td>R04261<\/td><td>Nb + ~1% Zr<\/td><td>ASTM B394 \/ B392<\/td><\/tr>\n<\/tbody><\/table>\n<p>Au-del\u00e0 des deux nuances ci-dessus, les alliages de niobium, y compris C-103, sont fournis selon la sp\u00e9cification du client et chiffr\u00e9s selon plan. Envoyez la d\u00e9signation d'alliage et la sp\u00e9cification applicable avec votre demande, car les limites de composition chimique et la base d'acceptation sont d\u00e9finies par cette sp\u00e9cification plut\u00f4t que par cette page.<\/p>\n<p>Fourni sans soudure ou soud\u00e9 (soud\u00e9 et \u00e9tir\u00e9) selon ASTM B394, \u00e0 l'\u00e9tat recuit, avec certificat mati\u00e8re et documentation EN&nbsp;10204&nbsp;3.1 sur demande.<\/p>\n<h2>Plage dimensionnelle typique<\/h2>\n<ul><li>OD: 2.0&nbsp;mm \u00e0 100&nbsp;mm<\/li><li>\u00c9paisseur de paroi: selon plan<\/li><li>Longueur : jusqu'\u00e0 8000&nbsp;mm, non d\u00e9finie ou fixe, coup\u00e9e selon plan<\/li><li>\u00c9tat: recuit; surface brillante\/d\u00e9cap\u00e9e<\/li><\/ul>\n<h2>Applications<\/h2>\n<div class=\"by-apps\">\n  <div class=\"by-element-tile\" aria-hidden=\"true\">\n    <div class=\"top\"><span>41<\/span><span>8,57 g\/cm3<\/span><\/div>\n    <div class=\"sym\">Nb<\/div>\n    <div class=\"el\">Niobium<\/div>\n    <div class=\"mass\">92.906 u<\/div>\n    <div class=\"alloy\">Nb1 \/ Nb1Zr<br>Tubes et tuyaux ASTM B394<\/div>\n  <\/div>\n  <div class=\"by-appgrid\">\n<div class=\"by-app\"><span class=\"t\"><a href=\"https:\/\/beiyutitanium.com\/fr\/chemical-industry\/\">Chimique<\/a> \u00e9quipements de proc\u00e9d\u00e9 et rev\u00eatements r\u00e9sistants \u00e0 la corrosion<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Stock de supraconducteurs (Nb-Ti, Nb&#8323;Sn) et syst\u00e8mes cryog\u00e9niques<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Lampes \u00e0 vapeur de sodium et \u00e9lectronique<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Ensembles a\u00e9rospatiaux et haute temp\u00e9rature<\/span><\/div>\n  <\/div>\n<\/div>\n<h2>Notes sur la corrosion<\/h2>\n<p>Le niobium r\u00e9siste aux acides chlorhydrique, nitrique, sulfurique et phosphorique sur de larges plages, ainsi qu'\u00e0 la plupart des compos\u00e9s organiques. Comme le tantale, il est attaqu\u00e9 par l'acide fluorhydrique, l'acide sulfurique fumant et les alcalis chauds concentr\u00e9s, ne pas utiliser le niobium dans ces milieux.<\/p>\n<h2>Informations n\u00e9cessaires pour la demande de prix<\/h2>\n<p>Indiquez la nuance (Nb1 ou Nb1Zr), le diam\u00e8tre ext\u00e9rieur, l'\u00e9paisseur de paroi, la longueur, sans soudure ou soud\u00e9, la surface\/l'\u00e9tat, la quantit\u00e9 et les documents requis. Les dimensions sur plan et sur mesure font l'objet d'une offre sur demande.<\/p>\n<h2>FAQ<\/h2>\n<p><strong>Le niobium est-il identique au columbium ?<\/strong><br>Oui, &ldquo;columbium&rdquo; (Cb) est l'ancien nom am\u00e9ricain du niobium (Nb) ; il s'agit du m\u00eame \u00e9l\u00e9ment.<\/p>\n<p><strong>Niobium ou tantale ?<\/strong><br>Le tantale r\u00e9siste \u00e0 une gamme encore plus large d'acides chauds, mais le niobium offre une r\u00e9sistance similaire pour de nombreuses applications \u00e0 un co\u00fbt inf\u00e9rieur et avec environ la moiti\u00e9 de la densit\u00e9. Adaptez la nuance au milieu et \u00e0 la temp\u00e9rature exacts.<\/p>\n<p><strong>Pouvez-vous fournir du Nb1Zr ?<\/strong><br>Oui - un tube Nb-1Zr (UNS R04261) est disponible selon ASTM B394 ; indiquez le diam\u00e8tre ext\u00e9rieur, l'\u00e9paisseur de paroi et la longueur avec votre <a href=\"https:\/\/beiyutitanium.com\/fr\/services\/\">Demande de prix<\/a>.<\/p>\n<h2>Contr\u00f4le, documentation et emballage<\/h2><p>Les tubes en niobium sont fournis recuits avec un certificat mati\u00e8re confirmant la composition chimique et les dimensions, ainsi qu'une documentation EN&nbsp;10204&nbsp;3.1 sur demande. L'identit\u00e9 de coul\u00e9e \/ lot est marqu\u00e9e sur le mat\u00e9riau, et les tubes sont regroup\u00e9s et mis en caisses pour l'exportation afin de prot\u00e9ger la surface pendant le transport.<\/p><h2>Produits associ\u00e9s et alternatives<\/h2><p>Pour les produits massifs, voir <a href=\"https:\/\/beiyutitanium.com\/fr\/product\/niobium-bar-sheet\/\">barre et t\u00f4le en niobium<\/a>. Lorsque le service acide est plus chaud ou plus concentr\u00e9, comparez <a href=\"https:\/\/beiyutitanium.com\/fr\/product\/tantalum-pipe-tube\/\">tube en tantale<\/a> - le compromis est pr\u00e9sent\u00e9 dans <a href=\"https:\/\/beiyutitanium.com\/fr\/niobium-vs-tantalum-corrosion-metal-selection\/\">niobium vs tantale<\/a>.<\/p><\/div>\n      <aside class=\"by-sidebar\">\n  <div class=\"by-card\" id=\"rfq\">\n    <div class=\"hd\">Liste de contr\u00f4le pour la demande de prix<\/div>\n    <div class=\"bd\">\n      <ul class=\"by-rfq-list\">\n        <li>Tubes en niobium en Nb1 ou Nb1Zr<\/li>\n        <li>ASTM B394, nuance Nb1\/Nb1Zr, dimensions de tubes<\/li>\n        <li>diam\u00e8tre ext\u00e9rieur, \u00e9paisseur de paroi, longueur, tol\u00e9rance, rectitude et \u00e9tat des extr\u00e9mit\u00e9s<\/li>\n        <li>\u00c9tat recuit, sans soudure, soud\u00e9 ou sp\u00e9cifi\u00e9 par plan<\/li>\n        <li>Exigences relatives \u00e0 la quantit\u00e9, au contr\u00f4le, \u00e0 la documentation, \u00e0 l'emballage et \u00e0 la destination<\/li>\n      <\/ul>\n      <p style=\"margin:16px 0 0\"><a class=\"by-btn\" href=\"mailto:penn@beiyutitanium.com?subject=RFQ%20-%20Niobium%20Pipe%20and%20Tube\">Envoyer une demande de prix pour tube en niobium<\/a><\/p>\n    <\/div>\n  <\/div>\n  <div class=\"by-card\">\n    <div class=\"hd\">Documents sur demande<\/div>\n    <div class=\"bd\">\n      <ul class=\"by-rfq-list\">\n        <li>Certificat mati\u00e8re (MTC)<\/li>\n        <li>Certificat de r\u00e9ception selon EN 10204 3.1 lorsque requis<\/li>\n        <li>Composition chimique et propri\u00e9t\u00e9s m\u00e9caniques<\/li>\n        <li>Tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e et par lot<\/li>\n        <li>Contr\u00f4le dimensionnel, PMI, de surface ou par tierce partie lorsqu'il est sp\u00e9cifi\u00e9<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n  <div class=\"by-card\">\n    <div class=\"hd\">Guides sur les m\u00e9taux r\u00e9fractaires<\/div>\n    <div class=\"bd by-guide\">\n      <a href=\"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/\">Cat\u00e9gorie des m\u00e9taux r\u00e9fractaires<\/a>\n      <a href=\"https:\/\/beiyutitanium.com\/fr\/niobium-vs-tantalum-corrosion-metal-selection\/\">Guide de s\u00e9lection niobium vs tantale<\/a>\n      <a href=\"https:\/\/beiyutitanium.com\/fr\/molybdenum-vs-tungsten-high-temperature\/\">Guide de s\u00e9lection molybd\u00e8ne vs tungst\u00e8ne<\/a>\n    <\/div>\n  <\/div>\n<\/aside>\n    <\/div>\n    <section class=\"by-compare\" aria-label=\"Comparer les produits en m\u00e9taux r\u00e9fractaires\">\n  <div class=\"by-section-head\">\n    <h2>Inscrire la puret\u00e9 dans la commande plut\u00f4t que dans l'e-mail<\/h2>\n<p>Les demandes de tubes en niobium arrivent g\u00e9n\u00e9ralement avec une exigence de puret\u00e9 qui n'atteint jamais la ligne de commande. La puret\u00e9 est ce que l'acheteur paie r\u00e9ellement, et elle est indiqu\u00e9e sous la forme d'une nuance avec son num\u00e9ro UNS plut\u00f4t que comme un pourcentage dans le corps d'un e-mail, car la nuance est ce par rapport \u00e0 quoi un certificat \u00e9tablit son rapport. Des nuances alli\u00e9es sont fournies sous forme de tube parall\u00e8lement au m\u00e9tal non alli\u00e9, de sorte qu'une demande ne d\u00e9signant que l'\u00e9l\u00e9ment laisse le tableau de composition non d\u00e9fini.<\/p>\n<p>L'aspect dimensionnel est celui pour lequel une petite commande revient le plus souvent en clarification. Le diam\u00e8tre ext\u00e9rieur et l'\u00e9paisseur de paroi n\u00e9cessitent tous deux leurs tol\u00e9rances, la longueur doit pr\u00e9ciser si les extr\u00e9mit\u00e9s sont coup\u00e9es ou finies, et l'\u00e9tat de livraison doit figurer sur sa propre ligne plut\u00f4t que d'\u00eatre int\u00e9gr\u00e9 \u00e0 l'\u00e9tat de surface. Beiyu Titanium examine avant offre la nuance avec son num\u00e9ro UNS, la sp\u00e9cification applicable, sans soudure ou soud\u00e9, les dimensions avec tol\u00e9rance, l'\u00e9tat de livraison, l'\u00e9tat de surface et l'\u00e9tendue du contr\u00f4le, et fournit le mat\u00e9riau avec un certificat de r\u00e9ception 3.1 selon EN 10204. Comme pour le titane, une valeur rapport\u00e9e est lue au regard de la m\u00e9thode qui l'a produite, et une analyse de coul\u00e9e n'est pas interchangeable avec une analyse produit ult\u00e9rieure.<\/p>\n<h2>Comparer les produits en m\u00e9taux r\u00e9fractaires<\/h2>\n    <a href=\"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/\">Cat\u00e9gorie des m\u00e9taux r\u00e9fractaires<\/a>\n  <\/div>\n  <div class=\"by-table\">\n    <div class=\"by-thead\"><div>Produit<\/div><div>Mat\u00e9riau<\/div><div>R\u00e9f\u00e9rence<\/div><div>Id\u00e9al pour<\/div><div><\/div><\/div><div class=\"by-row cur\"><div><b>Tubes et tubes en niobium<\/b><\/div><div>Nb1 \/ Nb1Zr<\/div><div>ASTM B394<\/div><div>Demandes de prix pour tubes<\/div><div class=\"go\"><\/div><\/div><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/niobium-bar-sheet\/\"><div><b>Barre et t\u00f4le en niobium<\/b><\/div><div>Nb1 \/ Nb1Zr<\/div><div>ASTM B392 \/ B393<\/div><div>Barre, t\u00f4le et \u00e9bauches usin\u00e9es<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/tantalum-pipe-tube\/\"><div><b>Tubes et tuyaux en tantale<\/b><\/div><div>Ta \/ alliage de Ta<\/div><div>ASTM B521<\/div><div>Tubes r\u00e9sistants aux acides<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/tantalum-plate-sheet\/\"><div><b>Plaque et t\u00f4le en tantale<\/b><\/div><div>Ta \/ alliage de Ta<\/div><div>ASTM B708<\/div><div>Plaque, t\u00f4le et pi\u00e8ces de rev\u00eatement<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/molybdenum-bar-rod\/\"><div><b>Barre et tige en molybd\u00e8ne<\/b><\/div><div>Mo \/ TZM<\/div><div>ASTM B387<\/div><div>Barres et pi\u00e8ces haute temp\u00e9rature<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/tungsten-bar-rod\/\"><div><b>Barre et tige en tungst\u00e8ne<\/b><\/div><div>W \/ alliage lourd<\/div><div>Selon plan \/ ASTM B777<\/div><div>Pi\u00e8ces haute densit\u00e9 et haute temp\u00e9rature<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/zirconium-bar-plate\/\"><div><b>Zirconium Bar and Wire<\/b><\/div><div>Zr702 \/ Zr705<\/div><div>ASTM B550 \/ AWS A5.24<\/div><div>Barre et fil pour pi\u00e8ces de proc\u00e9d\u00e9s chimiques<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/zirconium-plate\/\"><div><b>Zirconium Plate and Sheet<\/b><\/div><div>Zr702 \/ Zr705<\/div><div>ASTM B551<\/div><div>Plaque, t\u00f4le et pi\u00e8ces de rev\u00eatement<\/div><div class=\"go\">&gt;<\/div><\/a><\/div><\/section>\n    <section class=\"by-related\" aria-label=\"Produits connexes en m\u00e9taux r\u00e9fractaires\">\n  <div class=\"by-section-head\">\n    <h2>Produits connexes en m\u00e9taux r\u00e9fractaires<\/h2>\n    <a href=\"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/niobium\/\">Cat\u00e9gorie niobium<\/a>\n  <\/div>\n  <div class=\"by-relgrid\">\n    <a class=\"by-feat\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/niobium-bar-sheet\/\">\n      <img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/niobium-bar-real-768x1024.jpg\" alt=\"Niobium bar material for industrial RFQ\">\n      <span class=\"cap\"><span class=\"k\">Barre et t\u00f4le<\/span><span class=\"t\">Barre et t\u00f4le en niobium<\/span><span class=\"d\">Utilisez la page associ\u00e9e lorsque la demande de prix change de famille d'alliage, de forme de produit, de plage de temp\u00e9rature ou d'exigence de corrosion.<\/span><\/span>\n    <\/a>\n    <div class=\"by-stack\"><a class=\"by-mini\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/tantalum-pipe-tube\/\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/beiyu-tantalum-seamless-tube-original-20260604-768x576.webp\" alt=\"Tantalum seamless tubes bundled for export packing\"><span><span class=\"k\">Comparaison avec Ta<\/span><b>Tubes et tuyaux en tantale<\/b><\/span><\/a><a class=\"by-mini\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/molybdenum-bar-rod\/\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/beiyu-molybdenum-bar-rod-original-20260604-768x576.webp\" alt=\"Molybdenum round bars and rods with machined ends\"><span><span class=\"k\">Alternative au Mo<\/span><b>Barre et tige en molybd\u00e8ne<\/b><\/span><\/a><\/div>\n  <\/div>\n<\/section>\n    <h2>Le niobium non alli\u00e9 et les alliages de niobium se commandent de deux mani\u00e8res diff\u00e9rentes<\/h2>\n<p>Une demande concernant des tubes en niobium qui ne mentionne que le m\u00e9tal laisse le point le plus important ouvert. Le niobium non alli\u00e9 se commande selon une nuance avec son num\u00e9ro UNS, car c'est la nuance par rapport \u00e0 laquelle le certificat rend compte et son domaine d'approvisionnement est publi\u00e9. Les alliages de niobium constituent une transaction diff\u00e9rente : Beiyu Titanium les fournit selon la sp\u00e9cification du client et les chiffre sur plan. Une demande concernant un alliage doit donc comporter la sp\u00e9cification ou le plan plut\u00f4t qu'une d\u00e9signation de nuance. Envoyer l'un et attendre l'autre est la raison la plus fr\u00e9quente pour laquelle une demande concernant des tubes en niobium reste sans prix.<\/p>\n<p>L'aspect dimensionnel se divise de la m\u00eame mani\u00e8re que les termes. Les tubes sont d\u00e9sign\u00e9s par leur diam\u00e8tre ext\u00e9rieur et leur \u00e9paisseur de paroi. Les tubes de tuyauterie sont d\u00e9sign\u00e9s par une taille nominale avec un schedule, et les deux ne se transposent pas directement. C'est pourquoi un plan comportant une d\u00e9signation nominale est converti lors de la demande plut\u00f4t que pr\u00e9sum\u00e9. La conversion elle-m\u00eame est pr\u00e9sent\u00e9e sur la <a href=\"https:\/\/beiyutitanium.com\/fr\/product\/tantalum-pipe-tube\/\">tube en tantale<\/a> page et fonctionne de la m\u00eame mani\u00e8re ici.<\/p>\n<table>\n<tr><th>Ce que la demande d\u00e9signe<\/th><th>Ce qu'il fixe<\/th><th>Ce dont elle a encore besoin<\/th><\/tr>\n<tr><td>Niobium non alli\u00e9, par nuance<\/td><td>La composition chimique par rapport \u00e0 laquelle le certificat rend compte<\/td><td>Diam\u00e8tre ext\u00e9rieur, \u00e9paisseur de paroi, longueur et leurs tol\u00e9rances<\/td><\/tr>\n<tr><td>Un alliage de niobium, par son seul nom<\/td><td>Rien qui puisse faire l'objet d'une offre<\/td><td>La sp\u00e9cification du client ou le plan<\/td><\/tr>\n<tr><td>Taille nominale avec un schedule<\/td><td>Une d\u00e9signation de tuyauterie<\/td><td>Le diam\u00e8tre ext\u00e9rieur et l'\u00e9paisseur de paroi selon lesquels la pi\u00e8ce est fabriqu\u00e9e<\/td><\/tr>\n<\/table>\n<p>La plage d'approvisionnement pour les tubes en niobium non alli\u00e9 va de 2,0 mm \u00e0 100 mm de diam\u00e8tre ext\u00e9rieur, avec une \u00e9paisseur de paroi d\u00e9finie par le plan, pour des longueurs allant jusqu'\u00e0 8000 mm.<\/p>\n\n<h2>Combien p\u00e8se le tube en niobium par m\u00e8tre ?<\/h2>\n<p>Le poids par m\u00e8tre d\u00e9coule du diam\u00e8tre ext\u00e9rieur et de l'\u00e9paisseur de paroi : kg\/m = \u03c0 \u00d7 (OD \u2212 paroi) \u00d7 paroi \u00d7 masse volumique \u00f7 1000, avec OD et paroi en millim\u00e8tres et masse volumique en g\/cm\u00b3. Le tableau utilise 8.57 g\/cm\u00b3, la masse volumique indiqu\u00e9e sur cette page pour le niobium non alli\u00e9. Les dimensions ne sont que des exemples pour l'estimation ; la paroi est prise sur le plan, et tout diam\u00e8tre ext\u00e9rieur de 2.0 \u00e0 100 mm en niobium non alli\u00e9 peut \u00eatre chiffr\u00e9. Le tube en alliage est chiffr\u00e9 selon plan, comme indiqu\u00e9 ci-dessus.<\/p>\n<table>\n<thead><tr><th>OD \u00d7 paroi (exemple)<\/th><th>Poids par m\u00e8tre<\/th><th>Poids d'une longueur de 6 m (exemple)<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>6 \u00d7 0.5 mm<\/td><td>0.074 kg<\/td><td>0.44 kg<\/td><\/tr>\n<tr><td>10 \u00d7 1 mm<\/td><td>0.242 kg<\/td><td>1.45 kg<\/td><\/tr>\n<tr><td>25 \u00d7 1 mm<\/td><td>0.646 kg<\/td><td>3.88 kg<\/td><\/tr>\n<tr><td>50 \u00d7 2 mm<\/td><td>2.585 kg<\/td><td>15.51 kg<\/td><\/tr>\n<tr><td>100 \u00d7 3 mm<\/td><td>7.835 kg<\/td><td>47.01 kg<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p>Les longueurs vont jusqu'\u00e0 8000 mm. Pour d'autres dimensions, le <a href=\"\/fr\/titanium-weight-calculator\/\">calculateur de poids<\/a> accepte le diam\u00e8tre ext\u00e9rieur et l'\u00e9paisseur de paroi sous son r\u00e9glage tube, avec le niobium \u00e0 la m\u00eame masse volumique.<\/p>\n\n<h2>D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n<p>Les gammes d'approvisionnement de Beiyu Titanium publient des tubes en niobium de &Oslash;2,0 mm \u00e0 100 mm dans des longueurs jusqu'\u00e0 8000 mm, et indiquent pour ce m\u00e9tal une densit\u00e9 de 8,57 g\/cm&sup3; et un point de fusion de 2468 &deg;C. Les deux nuances de niobium propos\u00e9es pour chaque forme sont les d\u00e9signations UNS R04200 et R04210.<\/p>\n<p>Trois normes sont indiqu\u00e9es pour le niobium avec ces gammes : ASTM B392, B393 et B394. Elles sont list\u00e9es pour le m\u00e9tal en tant que groupe et non pour des formes de produit individuelles, de sorte que les gammes publi\u00e9es ne d\u00e9terminent pas laquelle r\u00e9git une commande de tube et cette page ne le d\u00e9termine pas non plus. Ce choix rel\u00e8ve des documents de conception de l'acheteur et doit figurer au d\u00e9but de la demande.<\/p>\n<section class=\"by-cta\">\n      <div>\n        <p>Pour voir qui d'autre publie ce mat\u00e9riau et ce que chacun indique, voir <a href=\"https:\/\/beiyutitanium.com\/fr\/top-niobium-tube-suppliers\/\">Fournisseurs de tubes en niobium : comparaison de cinq pages d'entreprise<\/a>.<\/p>\n<h2>Demander une offre pour des tubes et tuyaux en niobium<\/h2>\n        <p>Envoyez la nuance du mat\u00e9riau, la norme, les dimensions, l'\u00e9tat, la quantit\u00e9 et les exigences de certificat. Beiyu r\u00e9pond avec une offre, le d\u00e9lai et le p\u00e9rim\u00e8tre de la documentation.<\/p>\n      <\/div>\n      <a class=\"by-btn\" href=\"mailto:penn@beiyutitanium.com?subject=RFQ%20-%20Niobium%20Pipe%20and%20Tube\">Envoyer une demande de prix par e-mail<\/a>\n    <\/section>\n  <\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Tubes sans soudure et soud\u00e9s en niobium (columbium) en Nb1 et Nb1Zr selon ASTM B394, r\u00e9sistants \u00e0 la corrosion, ductiles, pour applications chimiques, supraconductrices et a\u00e9rospatiales.<\/p>","protected":false},"featured_media":4252,"comment_status":"closed","ping_status":"closed","template":"","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":""}}},"product_brand":[],"product_cat":[121,113],"product_tag":[],"class_list":["post-4083","product","type-product","status-publish","has-post-thumbnail","product_cat-niobium","product_cat-refractory-metals","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Niobium Pipe &amp; Tube | Nb1 \/ Nb1Zr ASTM B394 | Beiyu<\/title>\n<meta name=\"description\" content=\"Beiyu supplies niobium (columbium) pipe and tube in Nb1 (UNS R04200) and Nb1Zr (R04261) to ASTM B394 for chemical processing, superconductors and high-temperature service. 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