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See Chinese contents: Q/BQB 311-2014 Q/BQB 311-2014: Continuously hot-rolled high yield strength steel sheet and strip for cold forming
This Standard specifies the dimensions, shapes, technical requirements, inspection and testing, packaging, marks and inspection documents of continuously hot-rolled high yield strength steel sheet and strip for cold forming. This Standard is applicable to continuously hot-rolled high yield strength steel sheet and strip for cold forming manufactured by Baoshan Iron and Steel Co., Ltd., as well as transversely cut steel sheet and the longitudinally cut steel strip, hereinafter referred to as steel sheet and strip.
