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See Chinese contents: Q/BQB 301-2019 Q/BQB 301-2019: Hot-rolled steel sheets and strips - Dimensions, shape, weight and tolerances
This Standard specifies the dimension, shape, weight and tolerance of continuously hot-rolled steel sheet and strip. This Standard is applicable to the continuously hot-rolled steel strip produced by Baoshan Iron and Steel Co., Ltd.; as well as the steel sheet horizontally cut from the steel strip and the longitudinally cut steel strip, hereinafter referred to as steel sheet and strip.
