GB/T 31922-2015 in English

《GB/T 31922-2015改善成形性热轧高屈服强度钢板和钢带》由TC183（全国钢标准化技术委员会）归口，主管部门为中国钢铁工业协会。
本标准规定了改善成形性热轧高屈服强度钢板和钢带的分类和代号、订货信息、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志和质量证明书等。
本标准适用于厚度为1.0mm~6.0mm 的要求有良好成形性能的高屈服强度热连轧钢带、由钢带横切成的钢板及纵切成的纵切钢带(以下简称“钢板和钢带”)。

Scope

This standard specifies the classification and code, ordering information, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of hot-rolled high-yield strength steel sheets and strips for improving formability. . This standard is applicable to high-yield-strength hot-rolled steel strips with a thickness of 1.0 mm to 6.0 mm that require good formability, steel plates cross-cut from steel strips, and slit-cut steel strips (hereinafter referred to as "steel plates and steel strips"). bring").