Home / Standards / GB/T 11253-2019 GB/T 11253-2019 Active Cold-rolled sheet and strip of carbon structural steels 碳素结构钢冷轧钢板及钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A