Q/BQB 419-2023 Translated English of Chinese Standard (Q/BQB 419-2023, QBQB419-2023): Cold-rolled conventional high strength steel sheet and strip [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2023/09/09 - 16 ページ This document specifies the terms and definitions, classification and code, size, shape, weight, technical requirements, inspection and test, packaging, marking and inspection documents of cold-rolled conventional high-strength steel sheets and strips. This document applies to cold-rolled conventional high-strength steel sheets and strips (hereinafter referred to as steel sheets and strips), which have a thickness of 0.40 mm ~ 3.5 mm, as produced by Baoshan Iron and Steel Co., Ltd. |
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1/batch GB/T adopt RP0.2 Bake hardening steels Baoshan Iron beam displacement rate carbon steel completion of manufacture date of completion deep drawing defects Department of Baoshan Determination of multi-element elongation at break formability greater than 1.2 hardening exponent GB/T induction furnace inspection and test inspection documents interstitial free steels Iron & Steel low-alloy steel Manufacturing Management Department mass fraction maximum force mechanical properties meet the requirements Metallic materials MODIFY the upper nominal thickness normative references P6 specimen plastic strain ratio product is greater provisions in Table provisions of GB/T provisions of Q/BQB provisions of r90 ratio r value re-test Rephoshorized steels requirements in Table roughness accuracy sheets and steel sheets and strips solid solution strengthening specified in GB/T steel strips storage strain hardening exponent strips shall comply supplier surface quality level surface roughness Surface structure technical requirements tensile strain marks Tensile strength Tensile test test method total content yield phenomenon