{"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\/es\/product\/niobium-bar-sheet\/","title":{"rendered":"Barra y chapa fina de 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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.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=\"Resumen t\u00e9cnico del niobio\">\n      <div class=\"by-specband\"><div class=\"cell\"><strong>ASTM B392<\/strong><span>Referencia de barra y alambre de niobio<\/span><\/div><div class=\"cell\"><strong>ASTM B393<\/strong><span>Referencia de chapa fina y chapa gruesa de niobio<\/span><\/div><div class=\"cell\"><strong>8,57 g\/cm3<\/strong><span>Densidad t\u00edpica del niobio<\/span><\/div><div class=\"cell\"><strong>Nb1 \/ Nb1Zr<\/strong><span>Calidad del material mediante RFQ<\/span><\/div><div class=\"by-note\"><b>La aceptaci\u00f3n se realiza conforme a la especificaci\u00f3n solicitada.<\/b> Los valores son \u00fanicamente referencias para la solicitud de oferta. La calidad final, la composici\u00f3n qu\u00edmica, las dimensiones, la inspecci\u00f3n y la documentaci\u00f3n se confirman mediante la especificaci\u00f3n de compra y el certificado de materiales.<\/div><\/div>\n    <\/div>\n    <div class=\"by-grid\">\n      <div class=\"by-prose\"><p><a href=\"https:\/\/beiyutitanium.com\/es\/product-category\/woo-products\/refractory-metals\/niobium\/\">Niobio<\/a> (columbio, Nb) en barra y chapa fina es d\u00factil, resistente a la corrosi\u00f3n y superconductor a baja temperatura. Se utiliza ampliamente para material de superconductores, <a href=\"https:\/\/beiyutitanium.com\/es\/chemical-industry\/\">qu\u00edmicos<\/a> componentes y electr\u00f3nica, y complementa nuestro <a href=\"https:\/\/beiyutitanium.com\/es\/product\/niobium-pipe-tube\/\">tubo y tuber\u00eda de niobio<\/a>.<\/p>\n<h2>Calidades y normas<\/h2>\n<table><thead><tr><th>Calidad<\/th><th>UNS<\/th><th>Norma (barra \/ chapa fina)<\/th><\/tr><\/thead><tbody>\n<tr><td>Nb1 (sin alear)<\/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>Adem\u00e1s de las dos calidades anteriores, las aleaciones de niobio, incluida C-103, se suministran conforme a la especificaci\u00f3n del cliente y se ofertan seg\u00fan plano. Env\u00ede la designaci\u00f3n de la aleaci\u00f3n y la especificaci\u00f3n aplicable con su consulta, porque los l\u00edmites de composici\u00f3n y la base de aceptaci\u00f3n los establece esa especificaci\u00f3n, no esta p\u00e1gina.<\/p>\n<p>Se suministra recocido, con certificado de materiales bajo pedido.<\/p>\n<h2>Rango de tama\u00f1os habitual<\/h2>\n<ul><li>Barra\/varilla: de 3&nbsp;mm a 100&nbsp;mm de di\u00e1metro<\/li><li>Chapa fina\/gruesa: 0.03&nbsp;mm a 10&nbsp;mm de espesor, ancho de 30&nbsp;mm a 1000&nbsp;mm, longitud de 50&nbsp;mm a 2000&nbsp;mm<\/li><li>Condici\u00f3n: recocido; superficie brillante\/decapada<\/li><\/ul>\n<h2>Aplicaciones<\/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>barra y chapa fina<\/div>\n  <\/div>\n  <div class=\"by-appgrid\">\n<div class=\"by-app\"><span class=\"t\">Material para superconductores (Nb-Ti, Nb&#8323;Sn) y cavidades RF<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Piezas y revestimientos para procesos qu\u00edmicos<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">L\u00e1mparas de vapor de sodio, condensadores y electr\u00f3nica<\/span><\/div>\n<div class=\"by-app\"><span class=\"t\">Conjuntos aeroespaciales y de alta temperatura<\/span><\/div>\n  <\/div>\n<\/div>\n<h2>Informaci\u00f3n necesaria para la solicitud de oferta<\/h2>\n<p>Env\u00ede la calidad (Nb1 \/ Nb1Zr), la forma (barra o chapa fina), el tama\u00f1o, el estado, la cantidad y los documentos mediante <a href=\"https:\/\/beiyutitanium.com\/es\/services\/\">Solicitud de oferta<\/a>.<\/p>\n<h2>Preguntas frecuentes<\/h2>\n<p><strong>\u00bfEs el niobio superconductor?<\/strong><br>S\u00ed. el niobio y sus aleaciones (Nb-Ti, Nb&#8323;Sn) constituyen la base de la mayor\u00eda de los imanes superconductores pr\u00e1cticos y las cavidades de RF.<\/p>\n<p><strong>\u00bfSuministran tanto barra como chapa fina?<\/strong><br>S\u00ed. Nb1 y Nb1Zr est\u00e1n disponibles como barra\/varilla (ASTM B392) y chapa fina\/chapa gruesa (B393); especifique tama\u00f1o y condici\u00f3n.<\/p>\n<h2>Formas y tama\u00f1os<\/h2><p>Las barras y varillas de niobio se suministran con di\u00e1metros de 3&nbsp;mm a aproximadamente 100&nbsp;mm, y las chapas finas y gruesas con espesores de 0.03&nbsp;mm a 10&nbsp;mm, anchos de 30&nbsp;mm a 1000&nbsp;mm y longitudes de 50&nbsp;mm a 2000&nbsp;mm, en estado recocido con superficie brillante o decapada. Las dimensiones a medida y las formas seg\u00fan plano se ofertan bajo solicitud.<\/p><h2>Inspecci\u00f3n y documentaci\u00f3n<\/h2><p>Los documentos de inspecci\u00f3n, incluido un certificado de materiales y EN&nbsp;10204&nbsp;3.1 cuando se requiera, se confirman en la oferta y el pedido. El alcance solicitado de composici\u00f3n qu\u00edmica, propiedades mec\u00e1nicas, dimensiones y trazabilidad por n\u00famero de colada deber\u00eda indicarse en la solicitud de oferta.<\/p><h2>Productos relacionados y alternativas<\/h2><p>Para formas tubulares, v\u00e9ase <a href=\"https:\/\/beiyutitanium.com\/es\/product\/niobium-pipe-tube\/\">tubo y tuber\u00eda de niobio<\/a>. Para los \u00e1cidos calientes m\u00e1s agresivos, <a href=\"https:\/\/beiyutitanium.com\/es\/product\/tantalum-plate-sheet\/\">chapa gruesa de tantalio<\/a> es la opci\u00f3n superior; v\u00e9ase <a href=\"https:\/\/beiyutitanium.com\/es\/niobium-vs-tantalum-corrosion-metal-selection\/\">niobio frente a t\u00e1ntalo<\/a> para la l\u00f3gica de selecci\u00f3n.<\/p><\/div>\n      <aside class=\"by-sidebar\">\n  <div class=\"by-card\" id=\"rfq\">\n    <div class=\"hd\">Lista de verificaci\u00f3n para solicitud de oferta<\/div>\n    <div class=\"bd\">\n      <ul class=\"by-rfq-list\">\n        <li>Barra, varilla y chapa fina de niobio en Nb1 o Nb1Zr<\/li>\n        <li>ASTM B392\/B393, calidad de Nb, dimensiones de barra o chapa fina<\/li>\n        <li>Di\u00e1metro o espesor, anchura, longitud, tolerancia y estado de la superficie<\/li>\n        <li>Estado recocido, trabajado en fr\u00edo, laminado o especificado en plano<\/li>\n        <li>Cantidad, inspecci\u00f3n, documentaci\u00f3n, embalaje y requisito de destino<\/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\">Enviar solicitud de oferta por correo electr\u00f3nico para barra\/chapa fina de niobio<\/a><\/p>\n    <\/div>\n  <\/div>\n  <div class=\"by-card\">\n    <div class=\"hd\">Documentos previa solicitud<\/div>\n    <div class=\"bd\">\n      <ul class=\"by-rfq-list\">\n        <li>Certificado de materiales (MTC)<\/li>\n        <li>Certificado de inspecci\u00f3n EN 10204 3.1 cuando se requiera<\/li>\n        <li>Composici\u00f3n qu\u00edmica y propiedades mec\u00e1nicas<\/li>\n        <li>Trazabilidad por n\u00famero de colada y lote<\/li>\n        <li>Inspecci\u00f3n dimensional, PMI, de superficie o por tercera parte cuando se especifique<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n  <div class=\"by-card\">\n    <div class=\"hd\">Gu\u00edas de metales refractarios<\/div>\n    <div class=\"bd by-guide\">\n      <a href=\"https:\/\/beiyutitanium.com\/es\/product-category\/woo-products\/refractory-metals\/\">Categor\u00eda de metales refractarios<\/a>\n      <a href=\"https:\/\/beiyutitanium.com\/es\/niobium-vs-tantalum-corrosion-metal-selection\/\">Gu\u00eda de selecci\u00f3n de niobio frente a t\u00e1ntalo<\/a>\n      <a href=\"https:\/\/beiyutitanium.com\/es\/molybdenum-vs-tungsten-high-temperature\/\">Gu\u00eda de selecci\u00f3n de molibdeno frente a tungsteno<\/a>\n    <\/div>\n  <\/div>\n<\/aside>\n    <\/div>\n    <section class=\"by-compare\" aria-label=\"Compare productos de metales refractarios\">\n  <div class=\"by-section-head\">\n    <h2>Sin alear o aleado, y en qu\u00e9 estado metal\u00fargico<\/h2>\n<p>El niobio se suministra tanto sin alear como con una adici\u00f3n de circonio, y ambos se piden por motivos distintos: el metal sin alear para aplicaciones de corrosi\u00f3n y electricidad, y la calidad aleada cuando importa la resistencia a temperatura elevada. Ambos se presentan como barra y chapa fina, por lo que la forma no implica la calidad y esta tiene que indicarse mediante su designaci\u00f3n, no como el elemento.<\/p>\n<p>En la barra, el segundo campo es el estado de suministro, ya que este determina la rectitud y la superficie mecanizada, no la calidad. En la chapa fina, el segundo campo es el estado metal\u00fargico, porque el material recocido y el trabajado en fr\u00edo de la misma calidad se conforman de modo distinto, y una pieza embutida a partir del material equivocado falla en la prensa, no en servicio. El espesor necesita su tolerancia, y el estado superficial debe figurar en una l\u00ednea separada del estado metal\u00fargico. Una consulta que indique la calidad con su designaci\u00f3n, la especificaci\u00f3n aplicable, la forma con dimensiones y tolerancia, el estado de suministro, el estado superficial y el alcance de la inspecci\u00f3n puede valorarse en una primera revisi\u00f3n, sin una ronda de aclaraciones.<\/p>\n<h2>Compare productos de metales refractarios<\/h2>\n    <a href=\"https:\/\/beiyutitanium.com\/es\/product-category\/woo-products\/refractory-metals\/\">Categor\u00eda de metales refractarios<\/a>\n  <\/div>\n  <div class=\"by-table\">\n    <div class=\"by-thead\"><div>Producto<\/div><div>Material<\/div><div>Referencia<\/div><div>M\u00e1s adecuado para<\/div><div><\/div><\/div><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/niobium-pipe-tube\/\"><div><b>Tubo y tuber\u00eda de niobio<\/b><\/div><div>Nb1 \/ Nb1Zr<\/div><div>ASTM B394<\/div><div>Solicitudes de oferta de tubos y tuber\u00edas<\/div><div class=\"go\">&gt;<\/div><\/a><div class=\"by-row cur\"><div><b>Barra y chapa fina de niobio<\/b><\/div><div>Nb1 \/ Nb1Zr<\/div><div>ASTM B392 \/ B393<\/div><div>Barra, chapa fina y piezas en bruto mecanizadas<\/div><div class=\"go\"><\/div><\/div><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/tantalum-pipe-tube\/\"><div><b>Tubo de tantalio<\/b><\/div><div>Ta \/ aleaci\u00f3n de Ta<\/div><div>ASTM B521<\/div><div>Tuber\u00eda y tubo resistentes a los \u00e1cidos<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/tantalum-plate-sheet\/\"><div><b>Chapa gruesa y chapa fina de tantalio<\/b><\/div><div>Ta \/ aleaci\u00f3n de Ta<\/div><div>ASTM B708<\/div><div>Chapa gruesa, chapa fina y piezas de revestimiento<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/molybdenum-bar-rod\/\"><div><b>Barra y varilla de molibdeno<\/b><\/div><div>Mo \/ TZM<\/div><div>ASTM B387<\/div><div>Varillas y piezas para altas temperaturas<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/tungsten-bar-rod\/\"><div><b>Barra y varilla de tungsteno<\/b><\/div><div>W \/ aleaci\u00f3n pesada<\/div><div>Seg\u00fan plano \/ ASTM B777<\/div><div>Piezas de alta densidad y para altas temperaturas<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/zirconium-bar-plate\/\"><div><b>Barra y alambre de circonio<\/b><\/div><div>Zr702 \/ Zr705<\/div><div>ASTM B550 \/ AWS A5.24<\/div><div>Barra y alambre para piezas de procesos qu\u00edmicos<\/div><div class=\"go\">&gt;<\/div><\/a><a class=\"by-row\" href=\"https:\/\/beiyutitanium.com\/es\/product\/zirconium-plate\/\"><div><b>Chapa gruesa y chapa fina de circonio<\/b><\/div><div>Zr702 \/ Zr705<\/div><div>ASTM B551<\/div><div>Chapa gruesa, chapa fina y piezas de revestimiento<\/div><div class=\"go\">&gt;<\/div><\/a><\/div><\/section>\n    <section class=\"by-related\" aria-label=\"Productos relacionados de metales refractarios\">\n  <div class=\"by-section-head\">\n    <h2>Productos relacionados de metales refractarios<\/h2>\n    <a href=\"https:\/\/beiyutitanium.com\/es\/product-category\/woo-products\/refractory-metals\/niobium\/\">Categor\u00eda de niobio<\/a>\n  <\/div>\n  <div class=\"by-relgrid\">\n    <a class=\"by-feat\" href=\"https:\/\/beiyutitanium.com\/es\/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\">Tubo y tubo<\/span><span class=\"t\">Tubo y tuber\u00eda de niobio<\/span><span class=\"d\">Utilice la p\u00e1gina relacionada cuando la solicitud de oferta cambie la familia de aleaci\u00f3n, la forma del producto, el intervalo de temperatura o el requisito de corrosi\u00f3n.<\/span><\/span>\n    <\/a>\n    <div class=\"by-stack\"><a class=\"by-mini\" href=\"https:\/\/beiyutitanium.com\/es\/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\">Comparaci\u00f3n de Ta<\/span><b>Tubo de tantalio<\/b><\/span><\/a><a class=\"by-mini\" href=\"https:\/\/beiyutitanium.com\/es\/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 de Mo<\/span><b>Barra y varilla de molibdeno<\/b><\/span><\/a><\/div>\n  <\/div>\n<\/section>\n    <h2>Detalles de especificaci\u00f3n con fuentes<\/h2>\n<p>Los intervalos de suministro de Beiyu Titanium publican barra redonda de niobio de &Oslash;3 mm a 100 mm en longitudes de hasta 6000 mm, y chapa fina y chapa gruesa de niobio de 0,03 mm a 10 mm de espesor en anchos de 30 mm a 1000 mm y longitudes de 50 mm a 2000 mm. Conviene leer esos l\u00edmites de ancho y longitud tal como est\u00e1n impresos en lugar de redondearlos, ya que los intervalos de suministro de Beiyu Titanium establecen 1000 mm como ancho m\u00e1ximo para la chapa fina y la chapa gruesa de niobio y 2000 mm como longitud m\u00e1xima.<\/p>\n<p>ASTM B392, B393 y B394 son las tres normas mencionadas para el niobio, y se mencionan para el metal y no para la barra o la chapa fina por separado, por lo que esta p\u00e1gina las enumera sin asignar ninguna a una forma concreta. Las calidades son las designaciones UNS R04200 y R04210, ambas escritas con el d\u00edgito cero, ya que una designaci\u00f3n UNS es la letra R seguida de cinco d\u00edgitos.<\/p>\n<section class=\"by-cta\">\n      <div>\n        <p>Para conocer qui\u00e9n m\u00e1s publica este material y qu\u00e9 declara cada uno, consulte <a href=\"https:\/\/beiyutitanium.com\/es\/top-niobium-sheet-suppliers\/\">Proveedores de chapa fina de niobio: comparaci\u00f3n de cinco p\u00e1ginas de empresas<\/a>.<\/p>\n<h2>Solicite una oferta para barra y chapa fina de niobio<\/h2>\n        <p>Env\u00ede la calidad del material, la norma, el tama\u00f1o, el estado, la cantidad y los requisitos de certificado. Beiyu responde con la oferta, el plazo de entrega y el alcance de la documentaci\u00f3n.<\/p>\n      <\/div>\n      <a class=\"by-btn\" href=\"mailto:penn@beiyutitanium.com?subject=RFQ%20-%20Niobium%20Bar%20and%20Sheet\">Enviar solicitud de oferta por correo electr\u00f3nico<\/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>Barra, varilla y chapa fina de niobio (columbio) en Nb1 \/ Nb1Zr seg\u00fan ASTM B392 \/ B393, d\u00factil, resistente a la corrosi\u00f3n, para uso en superconductores, aplicaciones qu\u00edmicas y electr\u00f3nica.<\/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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Production runs through the Beiyu titanium mill in Baoji, Shaanxi. 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