GB/T 41747-2022 Translated English of Chinese Standard (GB/T 41747-2022, GBT41747-2022): Continuous hot-dip zinc-coated twin-roll cast steel sheet and strip of structural quality and high strength steel
https://www.chinesestandard.net, 28. dec. 2022 - 22 sider
This document specifies the dimensions, shape, mass, technical requirements, test methods, inspection rules, classification and code, packaging, marking, quality certificate and order contents of continuous hot-dip zinc-coated steel sheets and strips of structural quality and high strength steel produced by twin-roll casting process. The products corresponding to this document are applied to inner and outer covering parts and structural parts that require corrosion resistance. This document applies to continuous hot-dip zinc-coated twin-roll cast steel sheets and strips of structural quality and high strength steel with a thickness not greater than 2.0 mm (hereinafter referred to as ¡°steel sheets and strips¡±).
add two grades analysis of iron Appendix Bend test cast steel sheet characteristics of products chemical analysis China Highlight China Meet Chinese standards Chromic acid classification and code Coating adhesion Coating code coating mass code Compared with ISO conditions of China content GB/T continuous hot-dip zinc-coated document and ISO Elongation after break grades of 600 high strength steel Highlight the technical hot-dip code hot-dip zinc-coated steel Jiangsu lengths of L0 Meet the requirements Methods for chemical Minimized spangle niobium Normal spangle Phosphating provisions in Table provisions of GB/T quality and high quality certificate requirements of Chinese Rp0.2 is adopted sheets and strips Specimen gauge length steel and alloy steel characteristics steel grade code Steel type strips of structural strips shall comply structural adjustments structural quality steel Table 5 Table Table A.1 technical characteristics technical conditions Technical differences Tensile test method titanium twin-roll cast steel vanadium zinc layer zinc-coated steel sheet