Home / Standards / GB/T 5153 GB/T 5153 Active Designation and chemical composition of wrought magnesium and magnesium alloys 变形镁及镁合金牌号和化学成分 Standard Type GBT ICS 77.120.20 CCS H60 Status 现行 Issue Date 2022-12-28 Implementation 2017-07-01 Responsible Dept N/A Drafting Unit N/A