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 [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, 2018. 4. 23. - 15ÆäÀÌÁö 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. |
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Dimension Appearance Weight | 9 |
Method of Test | 10 |
Test Methods | 11 |
Inspection Rules | 12 |
Package Mark and Quality Certificate | 13 |
Appendix A Informative Chemical Compositions of Steel | 14 |
Foreign Grades | 15 |
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7.3.1 Steel sheet Bake Hardening Steel Bake Hardening Value Baoshan become rusty chemical compositions smelting Cold Rolled High compositions smelting analysis Continuously Cold Rolled defects dimension and roughness Elongation after fracture end of uniform extension is less Hardening Value BH2 High Strength Steel Induced Plasticity Steel inspection batch Inspection Items Iron & Steel less than 2.0mm Li Qian Liu Jun loading/unloading Mark and Quality Martensitic methods of steel negotiated when ordering Piece by piece/roll piece/batch Value piece/roll by roll 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 Methods Sampling Quantities sheet and strip Shulin 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 surface structure tensile strength Tensile test uniform extension Wang Yue Xinyu yield strength