{"product_id":"gbt12770-2025","title":"GB\/T 12770-2025 English PDF (GB\/T12770-2025)","description":"\u003ch1\u003eGB\/T 12770-2025: Welded stainless steel tubes for mechanical structures\u003c\/h1\u003e\u003cb style=\"font-size:16px;\"\u003eDelivery:\u003c\/b\u003e 9 seconds. Download (and Email) true-PDF + Invoice.\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eGet Quotation:\u003c\/b\u003e Click \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/Cart\/Cart.aspx?GB\/T%2012770-2025_English\" rel=\"nofollow\"\u003eGB\/T 12770-2025\u003c\/a\u003e (Self-service in 1-minute)\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eNewer \/ historical versions: \u003c\/b\u003e \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/PDF.aspx\/GBT12770-2025\"\u003eGB\/T 12770-2025\u003c\/a\u003e\u003ch2\u003ePreview True-PDF\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.chinesestandard.net\/Preview_PDF.aspx\/GBT12770-2025\" width=\"445\" height=\"600\" title=\"GB\/T 12770-2025 True-PDF\"\u003e\u003c\/iframe\u003e \u003cbr\u003e\u003ch2\u003eScope\u003c\/h2\u003eThis document specifies the classification and codes, order contents, manufacturing processes, \u003cbr\u003etechnical requirements, test methods, inspection rules, packaging, marking and quality \u003cbr\u003ecertificate for welded stainless steel tubes used for mechanical structures. \u003cbr\u003eThis document applies to welded stainless steel tubes (hereinafter referred to as “steel tubes”) \u003cbr\u003eused for machinery, automobiles, rail vehicles, marine engineering, oil and gas engineering, \u003cbr\u003eand other structural applications. \u003cbr\u003e\u003cbr\u003e\u003ch2\u003eBasic Data\u003c\/h2\u003e\u003ctable id=\"TableTabAbout0\" rules=\"all\" border=\"1\" style=\"font-family:Arial;font-size:Small;\"\u003e  \u003ctr id=\"TableTabRow10\"\u003e     \u003ctd id=\"TableTabCell110\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eStandard ID\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell120\" align=\"center\"\u003e GB\/T 12770-2025 (GB\/T12770-2025)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow20\"\u003e     \u003ctd id=\"TableTabCell210\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDescription (Translated English)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell220\" align=\"center\"\u003e Welded stainless steel tubes for mechanical structures\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow30\"\u003e     \u003ctd id=\"TableTabCell310\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSector \/ Industry\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell320\" align=\"center\"\u003e National Standard (Recommended)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow40\"\u003e     \u003ctd id=\"TableTabCell410\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of Chinese Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell420\" align=\"center\"\u003e H48\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow50\"\u003e     \u003ctd id=\"TableTabCell510\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of International Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell520\" align=\"center\"\u003e 77.140.75\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow60\"\u003e     \u003ctd id=\"TableTabCell610\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eWord Count Estimation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell620\" align=\"center\"\u003e 22,277\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow70\"\u003e     \u003ctd id=\"TableTabCell710\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Issue\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell720\" align=\"center\"\u003e 2025-08-29\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow80\"\u003e     \u003ctd id=\"TableTabCell810\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Implementation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell820\" align=\"center\"\u003e 2026-03-01\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow90\"\u003e     \u003ctd id=\"TableTabCell910\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eOlder Standard (superseded by this standard)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell920\" align=\"center\"\u003e GB\/T 12770-2012\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow100\"\u003e     \u003ctd id=\"TableTabCell1010\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eIssuing agency(ies)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell1020\" align=\"center\"\u003e State Administration for Market Regulation; Standardization Administration of China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e","brand":"www.ChineseStandard.us -- Field Test Asia Pte. Ltd.","offers":[{"title":"Default Title","offer_id":53023263293754,"sku":null,"price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5737\/1706\/files\/GBT12770-2025EN.1_c17c5b03-3652-47a3-8d10-643238409f82.jpg?v=1770971837","url":"https:\/\/www.chinesestandard.us\/products\/gbt12770-2025","provider":"www.ChineseStandard.us (www.ChineseStandard.net)","version":"1.0","type":"link"}