Home / Standards / GB/T 18983-2017 GB/T 18983-2017 Active Wire for quenched and tempered springs 淬火-回火弹簧钢丝 Standard Type GBT ICS 77.140.65 CCS H49 Status 现行 Issue Date 2017-07-12 Implementation 2018-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A