Home / Standards / GB/T 3620.2-2023 GB/T 3620.2-2023 Active Titanium and titanium alloy permissible variations of chemical composition for wrought product analysis 钛及钛合金加工产品化学成分允许偏差 Standard Type GBT ICS 77.120.50 CCS H64 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A