Q Bqb 311 2023 Translated English Of Chinese Standard Q Bqb 311 2023 Qbqb311 2023

This document specifies the dimension, shape, technical requirements, inspection and testing, packaging, marking, and inspection documents for continuously hot-rolled high-yield strength steel sheets and strips for cold forming. This document applies to continuously hot-rolled high-yield strength steel strips for cold forming produced by Baoshan Iron and Steel Co., Ltd., as well as steel sheets cut transversely and steel strips slit longitudinally from it, hereafter referred to as steel sheets and steel strips.