{"id":563,"date":"2025-06-16T08:45:36","date_gmt":"2025-06-16T08:45:36","guid":{"rendered":"https:\/\/dura-alloy.com\/?post_type=product&#038;p=563"},"modified":"2025-06-16T08:45:36","modified_gmt":"2025-06-16T08:45:36","slug":"niobium-tubes","status":"publish","type":"product","link":"https:\/\/www.dura-alloy.com\/ar\/product\/niobium-tubes\/","title":{"rendered":"\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0646\u064a\u0648\u0628\u064a\u0648\u0645"},"content":{"rendered":"<p><strong><span>1. Introduction to niobium tubes<\/span><\/strong><\/p>\n<ol>\n<li><span>\u0631\u0642\u0645 \u0627\u0644\u062f\u0631\u062c\u0629: R04200\u060c R04210\u060c R04200\u060c R04210<\/span><\/li>\n<li><span>\u0627\u0644\u0646\u0642\u0627\u0621: \u226599.951.95%\u060c 99.99%<\/span><\/li>\n<li><span>Standard: ASTM B394<\/span><\/li>\n<li><span>Density: 8.57g\/cm 3<\/span><\/li>\n<li><span>\u0627\u0644\u062d\u0627\u0644\u0629: \u0635\u0644\u0628\u0629\u060c \u0634\u0628\u0647 \u0635\u0644\u0628\u0629\u060c \u0644\u064a\u0646\u0629<\/span><\/li>\n<\/ol>\n<p><strong><span>2. Application field of niobium tubes<\/span><\/strong><br \/>\n<span>Used for heat exchanger tubes in heat exchangers. Thermometer protection tube in the petrochemical industry. Corrosion-resistant, high temperature resistant industry, aerospace, electronics industry.<\/span><\/p>\n<p><strong><span>Third, chemical ingredients<\/span><\/strong><\/p>\n<table class=\"table table-bordered\">\n<tbody>\n<tr>\n<td colspan=\"13\"><span>\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 (%)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><span>\u0631\u0642\u0645 \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/span><\/td>\n<td colspan=\"2\"><span>Main elements<\/span><\/td>\n<td colspan=\"10\"><span>\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0634\u0648\u0627\u0626\u0628 (\u2264)<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u0646 \u0628<\/td>\n<td>\u0641\u064a<\/td>\n<td><span>\u0648<\/span><\/td>\n<td><span>\u0641\u064a<\/span><\/td>\n<td>W<\/td>\n<td>\u0645\u0648<\/td>\n<td><span>\u0645\u0646<\/span><\/td>\n<td><span>\u0627\u0644\u0645\u0648\u0627\u062c\u0647\u0629<\/span><\/td>\n<td>O<\/td>\n<td>C<\/td>\n<td>H<\/td>\n<td>N<\/td>\n<\/tr>\n<tr>\n<td>\u0646 \u0628 1<\/td>\n<td>\u0628\u0627\u0644<\/td>\n<td>0.004<\/td>\n<td><span>0.004<\/span><\/td>\n<td>0.002<\/td>\n<td>0.005<\/td>\n<td><span>0.005<\/span><\/td>\n<td><span>0.002<\/span><\/td>\n<td>0.05<\/td>\n<td>0.012<\/td>\n<td>0.0035<\/td>\n<td>0.0012<\/td>\n<td>0.003<\/td>\n<\/tr>\n<tr>\n<td>\u0646 \u0628 2<\/td>\n<td><span>\u0628\u0627\u0644<\/span><\/td>\n<td>0.01<\/td>\n<td><span>0.01<\/span><\/td>\n<td><span>0.005<\/span><\/td>\n<td>0.02<\/td>\n<td><span>0.01<\/span><\/td>\n<td><span>0.004<\/span><\/td>\n<td>0.07<\/td>\n<td>0.015<\/td>\n<td>0.0050<\/td>\n<td>0.0015<\/td>\n<td>0.008<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><span>4. Mechanical properties<\/span><\/strong><\/p>\n<table class=\"table table-bordered\">\n<tbody>\n<tr>\n<td><span>\u0631\u0642\u0645 \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/span><\/td>\n<td><span>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0642\u0648\u0629 \u0627\u0644\u0634\u062f (MPa)<\/span><\/td>\n<td><span>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 (MPa)<\/span>&nbsp;<\/p>\n<p><span>(0.2% \u0627\u0644\u062a\u0634\u0648\u0647 \u0627\u0644\u0645\u062a\u0628\u0642\u064a)<\/span><\/td>\n<td><span>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0644\u0627\u0633\u062a\u0637\u0627\u0644\u0629 (%)<\/span>&nbsp;<\/p>\n<p><span>(\u0642\u064a\u0627\u0633 25.4 \u0645\u0645)<\/span><\/td>\n<\/tr>\n<tr>\n<td>R04200 \uff0cR04200 \uff0cR04210&nbsp;<\/p>\n<p>Nb1\uff0cNb2<\/td>\n<td>125<\/td>\n<td>85<\/td>\n<td>25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><span>V. Tolerance of niobium tube (mm\u00a0<\/span><\/strong><strong><span>)<\/span><\/strong><\/p>\n<table class=\"table table-bordered\">\n<tbody>\n<tr>\n<td><span>Outer diameter<\/span><\/td>\n<td><span>Outer diameter tolerance<\/span><\/td>\n<td><span>Wall thickness tolerance<\/span><\/td>\n<\/tr>\n<tr>\n<td>1~20<\/td>\n<td><span>0.01<\/span><\/td>\n<td>\u00b15%<\/td>\n<\/tr>\n<tr>\n<td>20~25<\/td>\n<td><span>0.05<\/span><\/td>\n<td><span>\u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td>25~40<\/td>\n<td>0.10<\/td>\n<td><span>\u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td>40~60<\/td>\n<td>0.15<\/td>\n<td><span>\u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td>60~80<\/td>\n<td>0.20<\/td>\n<td><span>\u00b15%<\/span><\/td>\n<\/tr>\n<tr>\n<td>80~150<\/td>\n<td>0.25<\/td>\n<td><span>\u00b15%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1. Introduction to niobium tubes Grade number: R04200, R04210 Purity: \u226599.95%, 99.99% Standard: ASTM B394 Density: 8.57g\/cm 3 Status: hard, [&hellip;]<\/p>","protected":false},"featured_media":564,"template":"","meta":{"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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":[31],"product_tag":[],"class_list":{"0":"post-563","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tantalum-niobium-zirconium-nickel","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/product\/563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/product\/563\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/media\/564"}],"wp:attachment":[{"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/media?parent=563"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/product_brand?post=563"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/product_cat?post=563"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.dura-alloy.com\/ar\/wp-json\/wp\/v2\/product_tag?post=563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}