Home / Standards / GB/T 5168-2020 GB/T 5168-2020 Active Microstructure and macrostructure examination for titanium and titanium alloys 钛及钛合金高低倍组织检验方法 Standard Type GBT ICS 77.120.50 CCS H24 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A