Home / Standards / GB/T 3522-1983 GB/T 3522-1983 Active Cold-rolled quality carbon structural steel strips 优质碳素结构钢冷轧钢带 Standard Type GBT ICS 77.140.60 CCS H46 Status 现行 Issue Date 1983-03-05 Implementation 1983-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A