Home / Standards / GB/T 39153-2020 GB/T 39153-2020 Active Metastable decomposition strengthened Cu-Ni-Sn alloy rod 亚稳分解强化铜-镍-锡合金棒材 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2020-10-11 Implementation 2021-09-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A