Home / Standards / GB/T 39799-2021 GB/T 39799-2021 Active Dimension,shape,weight and tolerances for titanium and titanium alloy bars and wires 钛及钛合金棒材和丝材尺寸、外形、重量及允许偏差 Standard Type GBT ICS 77.150.50 CCS H04 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A