Home / Standards / GB/T 29087-2012 GB/T 29087-2012 Abolished Non-quenched and tempered steel wire rod for cold heading 非调质冷镦钢热轧盘条 Standard Type GBT ICS 77.140.60 CCS H44 Status 废止 Issue Date 2012-12-31 Implementation 2013-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A