Home / Standards / GB/T 3086-2019 GB/T 3086-2019 Active High carbon chromium stainless bearing steels 高碳铬不锈轴承钢 Standard Type GBT ICS 77.140.20 CCS H40 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A