Home / Standards / GB/T 3621-2022 GB/T 3621-2022 Active Titanium and titanium alloy plate and sheet 钛及钛合金板材 Standard Type GBT ICS 77.150.50 CCS H64 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A