Home / Standards / GB/T 5235-2021 GB/T 5235-2021 Active Designation and chemical composition of wrought nickel and nickel alloy 加工镍及镍合金牌号和化学成分 Standard Type GBT ICS 77.150.40 CCS H62 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A