Home / Standards / GB/T 28905-2012 GB/T 28905-2012 Abolished Low yield strength steel plates for construction 建筑用低屈服强度钢板 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A