Home / Standards / GB/T 20887.1-2007 GB/T 20887.1-2007 Abolished 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 废止 Issue Date 2007-03-09 Implementation 2007-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A