Home / Standards / GB/T 20887.5-2010 GB/T 20887.5-2010 Abolished Continuously hot rolled high strength steel sheet and strip for automobile - Part 5: Martensitic steel 汽车用高强度热连轧钢板及钢带 第5部分:马氏体钢 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2010-09-02 Implementation 2011-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A