Home / Standards / GB/T 20564.2-2006 GB/T 20564.2-2006 Abolished Continuously cold rolled high strength steel sheet and strip for automobile - Part 2: Dual phase steel 汽车用高强度冷连轧钢板及钢带 第2部分:双相钢 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2006-11-01 Implementation 2007-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A