Home / Standards / GB/T 20887.1-2017 GB/T 20887.1-2017 Active Continuously hot rolled high strength steel sheet and strip for automobile—Part 1: High yield strength steel for cold forming 汽车用高强度热连轧钢板及钢带 第1部分:冷成形用高屈服强度钢 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2017-09-07 Implementation 2018-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A