Home / Standards / GB/T 3278-2001 GB/T 3278-2001 Abolished Hot-rolled carbon tool steel sheets and plates 碳素工具钢热轧钢板 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2001-09-15 Implementation 2002-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A