GB/T 20564.1-2017 Translated English of Chinese Standard. (GBT 20564.1-2017, GB/T20564.1-2017, GBT20564.1-2017): Continuously Cold Rolled High Strength Steel Sheet and Strip for Automobile - Part 1: Bake Hardening Steel
https://www.chinesestandard.net, 23 апр. 2018 г. - Всего страниц: 15
This Part of GB/T 20564 specifies the terms and definitions, classification and grade expression method, dimension, shape, weight, technical requirements, test methods, inspection rules, package, marking and quality certificate of cold rolled bake hardening high strength steel sheet and strip.
Dimension Appearance Weight
Method of Test
Package Mark and Quality Certificate
Appendix A Informative Chemical Compositions of Steel
7.3.2 Steel sheet 7.4.1 The supplier 7.6.1 The surface Bake Hardening Steel Bake Hardening Value Baoshan become rusty better side chemical compositions smelting Cold Rolled High completion date compositions smelting analysis Continuously Cold Rolled cWhen the thickness date of production defects dimension and roughness Edition Elongation after fracture Handan Hardening Value BH2 High Strength Steel Induced Plasticity Steel Inspection Items Jinhua least meet less than 2.0mm Li Qian Liu Jun loading/unloading Martensitic methods of steel negotiated when ordering provisions of GB/T provisions of Table purchaser has special refer to Appendix relative-high surface requirements of FB Rolled High Strength roughness accuracy Sampling Quantities sheet and strip Shougang Shulin sides of steel specified in GB/T steel can refer Strain hardening index Strength Steel Sheet stretcher strain mark Strip for Automobile strip shall conform supplier shall guarantee surface quality level tensile strength Tensile test Test Methods uniform extension Wang Yue yield strength