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See Chinese contents: GB/T 41747-2022 GB/T 41747-2022: Continuous hot-dip zinc-coated twin-roll cast steel sheet and strip of structural quality and high strength steel
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¡±).
