{"id":4088,"date":"2026-06-03T22:58:12","date_gmt":"2026-06-03T22:58:12","guid":{"rendered":"https:\/\/beiyutitanium.com\/product\/niobium-bar-sheet\/"},"modified":"2026-09-06T10:09:22","modified_gmt":"2026-09-06T10:09:22","slug":"niobium-bar-sheet","status":"publish","type":"product","link":"https:\/\/beiyutitanium.com\/fr\/product\/niobium-bar-sheet\/","title":{"rendered":"Barre et t\u00f4le en niobium"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4088\" class=\"elementor elementor-4088\" 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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class=\"by-specband\"><div class=\"cell\"><strong>ASTM B392<\/strong><span>R\u00e9f\u00e9rence des barres et fils de niobium<\/span><\/div><div class=\"cell\"><strong>ASTM B393<\/strong><span>R\u00e9f\u00e9rence des t\u00f4les et plaques de niobium<\/span><\/div><div class=\"cell\"><strong>8,57 g\/cm3<\/strong><span>Densit\u00e9 typique du niobium<\/span><\/div><div class=\"cell\"><strong>Nb1 \/ Nb1Zr<\/strong><span>Nuance de mat\u00e9riau selon la demande de prix<\/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\"><p><a href=\"https:\/\/beiyutitanium.com\/fr\/product-category\/woo-products\/refractory-metals\/niobium\/\">Niobium<\/a> La barre et la t\u00f4le de niobium (columbium, Nb) sont ductiles, r\u00e9sistantes \u00e0 la corrosion et supraconductrices \u00e0 basse temp\u00e9rature. Elles sont largement utilis\u00e9es pour les mati\u00e8res destin\u00e9es aux supraconducteurs, <a href=\"https:\/\/beiyutitanium.com\/fr\/chemical-industry\/\">chimique<\/a> les \u00e9quipements et l'\u00e9lectronique, et compl\u00e8tent notre <a href=\"https:\/\/beiyutitanium.com\/fr\/product\/niobium-pipe-tube\/\">tube en niobium<\/a>.<\/p>\n<h2>Nuances et normes<\/h2>\n<table><thead><tr><th>Nuance<\/th><th>UNS<\/th><th>Norme (barre \/ t\u00f4le)<\/th><\/tr><\/thead><tbody>\n<tr><td>Nb1 (non alli\u00e9)<\/td><td>R04200<\/td><td>ASTM B392 \/ B393<\/td><\/tr>\n<tr><td>Nb1Zr (Nb-1Zr)<\/td><td>R04261<\/td><td>ASTM B392 \/ B393<\/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>Fournis recuits, avec certificat mati\u00e8re sur demande.<\/p>\n<h2>Plage dimensionnelle typique<\/h2>\n<ul><li>Barre\/tige : 3&nbsp;mm \u00e0 100&nbsp;mm de diam\u00e8tre<\/li><li>T\u00f4le\/plaque : \u00e9paisseur de 0.03&nbsp;mm \u00e0 10&nbsp;mm, largeur de 30&nbsp;mm \u00e0 1000&nbsp;mm, longueur de 50&nbsp;mm \u00e0 2000&nbsp;mm<\/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>barre et t\u00f4le<\/div>\n  <\/div>\n  <div class=\"by-appgrid\">\n<div class=\"by-app\"><span class=\"t\">Mati\u00e8res pour supraconducteurs (Nb-Ti, Nb&#8323;Sn) et cavit\u00e9s RF<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Pi\u00e8ces et rev\u00eatements pour proc\u00e9d\u00e9s chimiques<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Lampes \u00e0 vapeur de sodium, condensateurs 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>Informations n\u00e9cessaires pour la demande de prix<\/h2>\n<p>Envoyez la nuance (Nb1 \/ Nb1Zr), la forme (barre ou t\u00f4le), les dimensions, l'\u00e9tat, la quantit\u00e9 et les documents via <a href=\"https:\/\/beiyutitanium.com\/fr\/services\/\">Demande de prix<\/a>.<\/p>\n<h2>FAQ<\/h2>\n<p><strong>Le niobium est-il supraconducteur ?<\/strong><br>Oui. le niobium et ses alliages (Nb-Ti, Nb&#8323;Sn) constituent la base de la plupart des aimants supraconducteurs et cavit\u00e9s RF pratiques.<\/p>\n<p><strong>Fournissez-vous des barres et des t\u00f4les ?<\/strong><br>Oui. Nb1 et Nb1Zr sont disponibles sous forme de barre\/tige (ASTM B392) et de t\u00f4le\/plaque (B393) ; pr\u00e9cisez les dimensions et l'\u00e9tat.<\/p>\n<h2>Formes et dimensions<\/h2><p>Les barres et ronds en niobium sont fournis de 3&nbsp;mm \u00e0 environ 100&nbsp;mm de diam\u00e8tre, et les t\u00f4les et plaques d'une \u00e9paisseur de 0.03&nbsp;mm \u00e0 10&nbsp;mm, en largeurs de 30&nbsp;mm \u00e0 1000&nbsp;mm et longueurs de 50&nbsp;mm \u00e0 2000&nbsp;mm, \u00e0 l'\u00e9tat recuit avec une surface brillante ou d\u00e9cap\u00e9e. Les dimensions sur mesure et formes sur plan font l'objet d'une offre sur demande.<\/p><h2>Contr\u00f4le et documentation<\/h2><p>Les documents de contr\u00f4le, y compris un certificat mati\u00e8re et EN&nbsp;10204&nbsp;3.1 lorsque requis, sont confirm\u00e9s dans l'offre et la commande. Le p\u00e9rim\u00e8tre demand\u00e9 de la composition chimique, des essais m\u00e9caniques et dimensionnels ainsi que de la tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e devrait \u00eatre indiqu\u00e9 dans la demande de prix.<\/p><h2>Produits associ\u00e9s et alternatives<\/h2><p>Pour les formes tubulaires, voir <a href=\"https:\/\/beiyutitanium.com\/fr\/product\/niobium-pipe-tube\/\">tube en niobium<\/a>. Pour les acides chauds les plus agressifs, <a href=\"https:\/\/beiyutitanium.com\/fr\/product\/tantalum-plate-sheet\/\">plaque en tantale<\/a> est l'option sup\u00e9rieure ; voir <a href=\"https:\/\/beiyutitanium.com\/fr\/niobium-vs-tantalum-corrosion-metal-selection\/\">niobium vs tantale<\/a> pour la logique de s\u00e9lection.<\/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>Barres, tiges et t\u00f4les de niobium en Nb1 ou Nb1Zr<\/li>\n        <li>ASTM B392\/B393, nuance de Nb, dimensions de barre ou de t\u00f4le<\/li>\n        <li>Diam\u00e8tre ou \u00e9paisseur, largeur, longueur, tol\u00e9rance et \u00e9tat de surface<\/li>\n        <li>\u00c9tat recuit, \u00e9croui, lamin\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%20Bar%20and%20Sheet\">Envoyer une demande de prix pour barre\/t\u00f4le de niobium par e-mail<\/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>Non alli\u00e9 ou alli\u00e9, et dans quel \u00e9tat m\u00e9tallurgique<\/h2>\n<p>Le niobium est fourni \u00e0 la fois non alli\u00e9 et avec un ajout de zirconium, et les deux sont command\u00e9s pour des raisons diff\u00e9rentes : le m\u00e9tal non alli\u00e9 pour les applications de corrosion et \u00e9lectriques, la nuance alli\u00e9e lorsque la r\u00e9sistance \u00e0 temp\u00e9rature importe. Les deux sont disponibles sous forme de barre et de t\u00f4le, la forme n'implique donc pas la nuance et la nuance doit \u00eatre d\u00e9sign\u00e9e avec sa d\u00e9signation plut\u00f4t que comme l'\u00e9l\u00e9ment.<\/p>\n<p>Pour les barres, le second champ est l'\u00e9tat livr\u00e9, car la rectitude et la surface usin\u00e9e y sont d\u00e9finies plut\u00f4t que par la nuance. Pour les t\u00f4les, le second champ est l'\u00e9tat, car les mat\u00e9riaux recuits et \u00e9crouis de m\u00eame nuance se forment diff\u00e9remment et une pi\u00e8ce r\u00e9alis\u00e9e \u00e0 partir du mauvais mat\u00e9riau \u00e9choue \u00e0 la presse plut\u00f4t qu'en service. L'\u00e9paisseur n\u00e9cessite sa tol\u00e9rance, et l'\u00e9tat de surface doit figurer sur une ligne distincte de l'\u00e9tat. Une demande qui d\u00e9signe la nuance avec sa d\u00e9signation, la sp\u00e9cification applicable, la forme avec dimensions et tol\u00e9rance, l'\u00e9tat de livraison, l'\u00e9tat de surface et l'\u00e9tendue du contr\u00f4le peut \u00eatre chiffr\u00e9e d\u00e8s le premier examen plut\u00f4t qu'apr\u00e8s une phase de clarification.<\/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><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/fr\/product\/niobium-pipe-tube\/\"><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\">&gt;<\/div><\/a><div class=\"by-row cur\"><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\"><\/div><\/div><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-pipe-tube\/\">\n      <img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/beiyu-niobium-seamless-tube-original-20260604-768x576.webp\" alt=\"Niobium seamless tubes bundled in a wooden export crate\">\n      <span class=\"cap\"><span class=\"k\">Tubes<\/span><span class=\"t\">Tubes et tubes 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>D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n<p>Les gammes d'approvisionnement de Beiyu Titanium publient des barres rondes en niobium de &Oslash;3 mm \u00e0 100 mm dans des longueurs jusqu'\u00e0 6000 mm, ainsi que de la t\u00f4le et des plaques en niobium de 0,03 mm \u00e0 10 mm d'\u00e9paisseur, dans des largeurs de 30 mm \u00e0 1000 mm et des longueurs de 50 mm \u00e0 2000 mm. Ces limites de largeur et de longueur m\u00e9ritent d'\u00eatre lues telles qu'imprim\u00e9es plut\u00f4t qu'arrondies, puisque les gammes d'approvisionnement de Beiyu Titanium fixent 1000 mm comme plafond de largeur pour la t\u00f4le et les plaques en niobium et 2000 mm comme plafond de longueur.<\/p>\n<p>ASTM B392, B393 et B394 sont les trois normes nomm\u00e9es pour le niobium, et elles sont nomm\u00e9es pour le m\u00e9tal plut\u00f4t que s\u00e9par\u00e9ment pour la barre ou la t\u00f4le, cette page les liste donc sans en attribuer une \u00e0 l'une ou l'autre forme. Les nuances sont les d\u00e9signations UNS R04200 et R04210, toutes deux \u00e9crites avec le chiffre z\u00e9ro, puisqu'une d\u00e9signation UNS est la lettre R suivie de cinq chiffres.<\/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-sheet-suppliers\/\">Fournisseurs de t\u00f4les en niobium : comparaison de cinq pages d'entreprises<\/a>.<\/p>\n<h2>Demander une offre pour les barres et t\u00f4les de 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%20Bar%20and%20Sheet\">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>Barre, tige et t\u00f4le en niobium (columbium) en Nb1 \/ Nb1Zr selon ASTM B392 \/ B393, ductiles, r\u00e9sistantes \u00e0 la corrosion, pour les supraconducteurs, les applications chimiques et \u00e9lectroniques.<\/p>","protected":false},"featured_media":4104,"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-4088","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 Bar &amp; Sheet | Nb1 \/ Nb1Zr ASTM B392\/B393 | Beiyu<\/title>\n<meta name=\"description\" content=\"Beiyu supplies niobium (columbium) bar, rod and sheet in Nb1 (UNS R04200) and Nb1Zr (R04261) to ASTM B392 \/ B393 for superconductor, chemical and electronics applications. 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