{"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\/it\/product\/niobium-bar-sheet\/","title":{"rendered":"Barra e lamiera sottile in niobio"},"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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1fr;gap:16px;align-items:center;border:1px solid var(--by-line);padding:14px;text-decoration:none!important}\n.by-product-template .by-mini img{width:96px;height:74px;object-fit:cover;border:1px solid var(--by-line)}\n.by-product-template .by-mini b{display:block;margin-top:5px;color:var(--by-blue);font-size:15px;font-weight:800;line-height:1.3}\n.by-product-template .by-cta{margin-top:54px;background:var(--by-blue);color:#fff;padding:34px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}\n.by-product-template .by-cta h2{margin:0 0 6px;color:#fff;font-size:26px;font-weight:800}\n.by-product-template .by-cta p{margin:0;color:rgba(255,255,255,.8);font-size:15px}\n.by-product-template .by-cta .by-btn{background:#fff;color:var(--by-blue)!important}\n@media(max-width:920px){.by-product-template .by-grid,.by-product-template .by-relgrid{grid-template-columns:1fr}.by-product-template .by-sidebar{position:static}.by-product-template .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-4088\">\n  <div class=\"by-wrap\">\n    <div class=\"by-topnote\" aria-label=\"Quadro tecnico del niobio\">\n      <div class=\"by-specband\"><div class=\"cell\"><strong>ASTM B392<\/strong><span>Riferimento per barre e filo in niobio<\/span><\/div><div class=\"cell\"><strong>ASTM B393<\/strong><span>Riferimento per lamiere sottili e lamiere spesse in niobio<\/span><\/div><div class=\"cell\"><strong>8,57 g\/cm3<\/strong><span>Densit\u00e0 tipica del niobio<\/span><\/div><div class=\"cell\"><strong>Nb1 \/ Nb1Zr<\/strong><span>Grado del materiale in base alla richiesta di offerta<\/span><\/div><div class=\"by-note\"><b>L'accettazione avviene secondo la specifica ordinata.<\/b> I valori sono solo riferimenti per la richiesta di offerta. Grado finale, composizione chimica, dimensioni, controlli e documentazione sono confermati dalla specifica d'acquisto e dal certificato del materiale.<\/div><\/div>\n    <\/div>\n    <div class=\"by-grid\">\n      <div class=\"by-prose\"><p><a href=\"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/refractory-metals\/niobium\/\">Niobio<\/a> (columbio, Nb) in barre e lamiere sottili \u00e8 duttile, resistente alla corrosione e superconduttore a bassa temperatura. \u00c8 ampiamente utilizzato per semilavorati per superconduttori, <a href=\"https:\/\/beiyutitanium.com\/it\/chemical-industry\/\">chimico<\/a> componenti ed elettronica, e completa i nostri <a href=\"https:\/\/beiyutitanium.com\/it\/product\/niobium-pipe-tube\/\">tubi in niobio<\/a>.<\/p>\n<h2>Gradi e norme<\/h2>\n<table><thead><tr><th>Grado<\/th><th>UNS<\/th><th>Norma (barre \/ lamiere sottili)<\/th><\/tr><\/thead><tbody>\n<tr><td>Nb1 (non legato)<\/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>Oltre ai due gradi sopra indicati, le leghe di niobio, tra cui C-103, sono fornite secondo specifica del cliente e quotate per disegno. Inviare la designazione della lega e la specifica applicabile con la richiesta, perch\u00e9 i limiti di composizione e i criteri di accettazione sono stabiliti da tale specifica, non da questa pagina.<\/p>\n<p>Fornito allo stato ricotto, con certificato del materiale su richiesta.<\/p>\n<h2>Intervallo dimensionale tipico<\/h2>\n<ul><li>Barre\/barre tonde: diametro da 3&nbsp;mm a 100&nbsp;mm<\/li><li>Lamiera sottile\/spessa: da 0.03&nbsp;mm a 10&nbsp;mm di spessore, larghezza da 30&nbsp;mm a 1000&nbsp;mm, lunghezza da 50&nbsp;mm a 2000&nbsp;mm<\/li><li>Stato: ricotto; superficie brillante\/decapata<\/li><\/ul>\n<h2>Applicazioni<\/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\">Niobio<\/div>\n    <div class=\"mass\">92.906 u<\/div>\n    <div class=\"alloy\">Nb1 \/ Nb1Zr<br>barre e lamiere sottili<\/div>\n  <\/div>\n  <div class=\"by-appgrid\">\n<div class=\"by-app\"><span class=\"t\">Semilavorati per superconduttori (Nb-Ti, Nb&#8323;Sn) e cavit\u00e0 RF<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Particolari e rivestimenti per processi chimici<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Lampade a vapori di sodio, condensatori ed elettronica<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Assiemi aerospaziali e per alte temperature<\/span><\/div>\n  <\/div>\n<\/div>\n<h2>Informazioni necessarie per la richiesta di offerta<\/h2>\n<p>Inviare grado (Nb1 \/ Nb1Zr), forma (barra o lamiera sottile), dimensioni, stato, quantit\u00e0 e documenti tramite <a href=\"https:\/\/beiyutitanium.com\/it\/services\/\">Richiesta di offerta<\/a>.<\/p>\n<h2>FAQ<\/h2>\n<p><strong>Il niobio \u00e8 superconduttore?<\/strong><br>S\u00ec. il niobio e le sue leghe (Nb-Ti, Nb&#8323;Sn) sono alla base della maggior parte dei magneti superconduttori e delle cavit\u00e0 RF impiegati nella pratica.<\/p>\n<p><strong>Sono disponibili sia barre sia lamiere sottili?<\/strong><br>S\u00ec. Nb1 e Nb1Zr sono disponibili come barre\/barre tonde (ASTM B392) e lamiere sottili\/lamiere spesse (B393); specificare dimensioni e stato.<\/p>\n<h2>Forme e dimensioni<\/h2><p>La barra e il tondo di niobio sono forniti da 3&nbsp;mm a circa 100&nbsp;mm di diametro, e la lamiera sottile e spessa da 0.03&nbsp;mm a 10&nbsp;mm di spessore, in larghezze da 30&nbsp;mm a 1000&nbsp;mm e lunghezze da 50&nbsp;mm a 2000&nbsp;mm, in condizione ricotta con superficie lucida o decapata. Dimensioni personalizzate e forme basate sul disegno vengono quotate su richiesta.<\/p><h2>Controllo e documentazione<\/h2><p>I documenti di controllo, inclusi un certificato del materiale ed EN&nbsp;10204&nbsp;3.1 quando richiesto, vengono confermati nell'offerta e nell'ordine d'acquisto. Sarebbe opportuno indicare nella richiesta di offerta l'ambito richiesto per composizione chimica, propriet\u00e0 meccaniche, dimensioni e tracciabilit\u00e0 tramite il numero di colata.<\/p><h2>Prodotti correlati e alternative<\/h2><p>Per le forme tubolari vedere <a href=\"https:\/\/beiyutitanium.com\/it\/product\/niobium-pipe-tube\/\">tubi in niobio<\/a>. Per gli acidi caldi pi\u00f9 aggressivi, <a href=\"https:\/\/beiyutitanium.com\/it\/product\/tantalum-plate-sheet\/\">lamiera spessa in tantalio<\/a> rappresenta il livello superiore; vedere <a href=\"https:\/\/beiyutitanium.com\/it\/niobium-vs-tantalum-corrosion-metal-selection\/\">niobio e tantalio a confronto<\/a> per i criteri di selezione.<\/p><\/div>\n      <aside class=\"by-sidebar\">\n  <div class=\"by-card\" id=\"rfq\">\n    <div class=\"hd\">Lista di controllo per la richiesta di offerta<\/div>\n    <div class=\"bd\">\n      <ul class=\"by-rfq-list\">\n        <li>Barre, barre tonde e lamiere sottili in niobio in Nb1 o Nb1Zr<\/li>\n        <li>ASTM B392\/B393, grado di Nb, dimensioni di barre o lamiere sottili<\/li>\n        <li>Diametro o spessore, larghezza, lunghezza, tolleranza e stato superficiale<\/li>\n        <li>Stato ricotto, lavorato a freddo, laminato o specificato dal disegno<\/li>\n        <li>Quantit\u00e0, controlli, documentazione, imballaggio e requisiti di destinazione<\/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\">Inviare via e-mail una richiesta di offerta per barre\/lamiere sottili in niobio<\/a><\/p>\n    <\/div>\n  <\/div>\n  <div class=\"by-card\">\n    <div class=\"hd\">Documenti su richiesta<\/div>\n    <div class=\"bd\">\n      <ul class=\"by-rfq-list\">\n        <li>Certificato del materiale (MTC)<\/li>\n        <li>Certificato di collaudo 3.1 secondo EN 10204 quando richiesto<\/li>\n        <li>Composizione chimica e propriet\u00e0 meccaniche<\/li>\n        <li>tracciabilit\u00e0 tramite il numero di colata e del lotto<\/li>\n        <li>Controllo dimensionale, PMI, superficiale o collaudo di terza parte quando specificato<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n  <div class=\"by-card\">\n    <div class=\"hd\">Guide ai metalli refrattari<\/div>\n    <div class=\"bd by-guide\">\n      <a href=\"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/refractory-metals\/\">Categoria metalli refrattari<\/a>\n      <a href=\"https:\/\/beiyutitanium.com\/it\/niobium-vs-tantalum-corrosion-metal-selection\/\">Guida alla scelta tra niobio e tantalio<\/a>\n      <a href=\"https:\/\/beiyutitanium.com\/it\/molybdenum-vs-tungsten-high-temperature\/\">Guida alla scelta tra molibdeno e tungsteno<\/a>\n    <\/div>\n  <\/div>\n<\/aside>\n    <\/div>\n    <section class=\"by-compare\" aria-label=\"Confrontare i prodotti in metalli refrattari\">\n  <div class=\"by-section-head\">\n    <h2>Non legato o legato, e in quale stato metallurgico<\/h2>\n<p>Il niobio viene fornito sia non legato sia con aggiunta di zirconio e i due vengono ordinati per ragioni diverse: il metallo non legato per impieghi corrosivi ed elettrici, il grado legato dove conta la resistenza a temperatura. Entrambi sono disponibili come barra e lamiera sottile, quindi la forma non implica il grado, che deve essere indicato con la sua designazione anzich\u00e9 come elemento.<\/p>\n<p>Per la barra il secondo campo \u00e8 lo stato alla consegna, poich\u00e9 la rettilineit\u00e0 e la superficie lavorata meccanicamente dipendono da questo anzich\u00e9 dal grado. Per la lamiera sottile il secondo campo \u00e8 lo stato metallurgico, perch\u00e9 il materiale ricotto e quello lavorato a freddo dello stesso grado si formano diversamente e un pezzo imbutito dal materiale sbagliato cede alla pressa anzich\u00e9 in servizio. Lo spessore richiede la sua tolleranza e lo stato superficiale va indicato su una riga separata dallo stato metallurgico. Una richiesta che riporta grado con designazione, specifica applicabile, forma con dimensioni e tolleranza, stato di fornitura, stato superficiale e ambito dei controlli pu\u00f2 essere quotata al primo passaggio anzich\u00e9 dopo un giro di chiarimenti.<\/p>\n<h2>Confrontare i prodotti in metalli refrattari<\/h2>\n    <a href=\"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/refractory-metals\/\">Categoria metalli refrattari<\/a>\n  <\/div>\n  <div class=\"by-table\">\n    <div class=\"by-thead\"><div>Prodotto<\/div><div>Materiale<\/div><div>Riferimento<\/div><div>Ideale per<\/div><div><\/div><\/div><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/niobium-pipe-tube\/\"><div><b>Tubi in niobio<\/b><\/div><div>Nb1 \/ Nb1Zr<\/div><div>ASTM B394<\/div><div>Richieste di offerta per tubi<\/div><div class=\"go\">&gt;<\/div><\/a><div class=\"by-row cur\"><div><b>Barra e lamiera sottile in niobio<\/b><\/div><div>Nb1 \/ Nb1Zr<\/div><div>ASTM B392 \/ B393<\/div><div>Barra, lamiera sottile e grezzi lavorati meccanicamente<\/div><div class=\"go\"><\/div><\/div><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/tantalum-pipe-tube\/\"><div><b>Tubi in tantalio<\/b><\/div><div>Ta \/ lega di Ta<\/div><div>ASTM B521<\/div><div>Tubi resistenti agli acidi<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/tantalum-plate-sheet\/\"><div><b>Lamiera spessa e lamiera sottile in tantalio<\/b><\/div><div>Ta \/ lega di Ta<\/div><div>ASTM B708<\/div><div>Lamiera spessa, lamiera sottile e componenti di rivestimento<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/molybdenum-bar-rod\/\"><div><b>Barra e barra tonda in molibdeno<\/b><\/div><div>Mo \/ TZM<\/div><div>ASTM B387<\/div><div>Tondi e componenti per alte temperature<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/tungsten-bar-rod\/\"><div><b>Barra e barra tonda in tungsteno<\/b><\/div><div>W \/ lega pesante<\/div><div>Da disegno \/ ASTM B777<\/div><div>Componenti ad alta densit\u00e0 e per alte temperature<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/zirconium-bar-plate\/\"><div><b>Barra e filo di zirconio<\/b><\/div><div>Zr702 \/ Zr705<\/div><div>ASTM B550 \/ AWS A5.24<\/div><div>Barra e filo per componenti di processo chimico<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/it\/product\/zirconium-plate\/\"><div><b>Lamiera e foglio di zirconio<\/b><\/div><div>Zr702 \/ Zr705<\/div><div>ASTM B551<\/div><div>Lamiera spessa, lamiera sottile e componenti di rivestimento<\/div><div class=\"go\">&gt;<\/div><\/a><\/div><\/section>\n    <section class=\"by-related\" aria-label=\"Prodotti correlati in metalli refrattari\">\n  <div class=\"by-section-head\">\n    <h2>Prodotti correlati in metalli refrattari<\/h2>\n    <a href=\"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/refractory-metals\/niobium\/\">Categoria niobio<\/a>\n  <\/div>\n  <div class=\"by-relgrid\">\n    <a class=\"by-feat\" href=\"https:\/\/beiyutitanium.com\/it\/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\">Tubi<\/span><span class=\"t\">Tubi in niobio<\/span><span class=\"d\">Consultare la pagina correlata quando la richiesta di offerta cambia famiglia di leghe, forma del prodotto, intervallo di temperatura o requisito di corrosione.<\/span><\/span>\n    <\/a>\n    <div class=\"by-stack\"><a class=\"by-mini\" href=\"https:\/\/beiyutitanium.com\/it\/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\">Confronto con Ta<\/span><b>Tubi in tantalio<\/b><\/span><\/a><a class=\"by-mini\" href=\"https:\/\/beiyutitanium.com\/it\/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\">Alternativa in Mo<\/span><b>Barra e barra tonda in molibdeno<\/b><\/span><\/a><\/div>\n  <\/div>\n<\/section>\n    <h2>Dettagli delle specifiche con fonti<\/h2>\n<p>Gli intervalli di fornitura di Beiyu Titanium riportano barra tonda di niobio da &Oslash;3 mm a 100 mm in lunghezze fino a 6000 mm e lamiere sottili e spesse di niobio da 0,03 mm a 10 mm di spessore in larghezze da 30 mm a 1000 mm e lunghezze da 50 mm a 2000 mm. Conviene leggere questi limiti di larghezza e lunghezza cos\u00ec come sono riportati anzich\u00e9 arrotondarli, poich\u00e9 gli intervalli di fornitura di Beiyu Titanium fissano 1000 mm come larghezza massima per le lamiere sottili e spesse di niobio e 2000 mm come lunghezza massima.<\/p>\n<p>ASTM B392, B393 e B394 sono le tre norme indicate per il niobio e sono riferite al metallo anzich\u00e9 separatamente alla barra o alla lamiera sottile, quindi questa pagina le elenca senza assegnarne una a una delle due forme. I gradi sono le designazioni UNS R04200 e R04210, entrambe scritte con la cifra zero, poich\u00e9 una designazione UNS \u00e8 costituita dalla lettera R seguita da cinque cifre.<\/p>\n<section class=\"by-cta\">\n      <div>\n        <p>Per vedere chi altro pubblica questo materiale e cosa dichiara ciascuno, consultare <a href=\"https:\/\/beiyutitanium.com\/it\/top-niobium-sheet-suppliers\/\">Fornitori di lamiere sottili di niobio: confronto tra cinque pagine aziendali<\/a>.<\/p>\n<h2>Richiedere un'offerta per barre e lamiere sottili in niobio<\/h2>\n        <p>Inviare grado del materiale, norma, dimensioni, stato, quantit\u00e0 e requisiti dei certificati. Beiyu risponde con offerta, tempi di consegna e ambito della documentazione.<\/p>\n      <\/div>\n      <a class=\"by-btn\" href=\"mailto:penn@beiyutitanium.com?subject=RFQ%20-%20Niobium%20Bar%20and%20Sheet\">Inviare la richiesta di offerta via email<\/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, barre tonde e lamiere sottili in niobio (columbio) Nb1 \/ Nb1Zr secondo ASTM B392 \/ B393, duttili, resistenti alla corrosione, per superconduttori e impieghi chimici ed elettronici.<\/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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