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See Chinese contents: GB/T 20564.13-2023 GB/T 20564.13-2023: Continuously cold rolled high strength steel sheet and strip for automobile - Part 13: Medium manganese steel
This Document specifies the designation expression method and classification, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of continuously cold-rolled medium-manganese high-strength steel sheets and strips for automobile. This Document applies to continuously cold-rolled medium-manganese high-strength steel sheets and strips (hereinafter referred to as and quot;steel sheets and strips and quot;) with a thickness of 1.0mm~2.5mm, which are mainly used to make structural parts and reinforcement parts of the automobile.
