Home / Standards / GB/T 18579-2019 GB/T 18579-2019 Active High-carbon chromium bearing steel wires 高碳铬轴承钢丝 Standard Type GBT ICS 77.140.65 CCS H49 Status 现行 Issue Date 2019-12-10 Implementation 2020-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A