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Q/BQB 420-2021 (Q/BQB 420-2023 Newer Version) PDF English


Search result: Q/BQB 420-2021 (Q/BQB 420-2023 Newer Version)
Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardStatus
Q/BQB 420-2023English990 Add to Cart 0-9 seconds. Auto-delivery. Hot-dip zinc /zinc-iron/zinc-magnesium/zinc-aluminum-magnesium alloy coated steel sheet and strip
Q/BQB 420-2021English250 Add to Cart 0-9 seconds. Auto-delivery. Hot-dip galvanizing/zinc-iron alloy/zinc-magnesium alloy coated steel sheet and strip
Q/BQB 420-2019English270 Add to Cart 0-9 seconds. Auto-delivery. Hot-dip galvanizing/zinc-iron alloy/zinc-magnesium alloy coated steel sheet and strip
Q/BQB 420-2018English220 Add to Cart 0-9 seconds. Auto-delivery. Hot-dip galvanizing/zinc-iron alloy/zinc-magnesium alloy coated steel sheet and strip
Q/BQB 420-2014English510 Add to Cart 0-9 seconds. Auto-delivery. Hot dip galvanized / zinc-iron alloy coated steel sheet and strip Obsolete
Q/BQB 420-2009English919 Add to Cart 4 days Continuous hot-dip galvanized / zinc-iron alloy coated steel sheet and strip Obsolete
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Q/BQB 420-2021: PDF in English (QBQB 420-2021)

Q/BQB 420-2021 BQB ENTERPRISE STANDARD OF BAOSHAN IRON AND STEEL CO., LTD Replacing Q/BQB 420-2019 Hot-Dip Galvanizing/Zinc-Iron Alloy/Zinc-Magnesium Alloy Coated Steel Sheet and Strip ISSUED ON: JUNE 04, 2021 IMPLEMENTED ON: AUGUST 10, 2021 Issued by: Baoshan Iron and Steel Co., Ltd. Table of Contents 1 Chemical composition ... 3 2 Mechanical properties ... 6 3 Requirements for coating mass ... 11 4 Requirements for test and inspection ... 12 1 Chemical composition Table C.1 Table C.2 Table C.3 Designation Chemical composition (melting analysis) % (mass fraction) no more than a Nb is allowed to replace Ti; the total content of Nb and Ti is no more than 0.30% at this time. Designation Chemical composition (melting analysis) % (mass fraction) no more than a Ti and Nb can be added individually or in combination. V and B can also be added; and the total content of theses alloy elements is ≤ 0.22%. Designation Chemical composition (melting analysis) % (mass fraction) No more than Si No more than Mn No more than No more than No more than Alt No less than Ti a No more than Nb a No more than ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.