Home / Standards / GB/T 46654-2025 GB/T 46654-2025 Active Radiographic testing for titanium alloy castings—Defect levels 钛合金铸件射线照相检测 缺陷分级 Standard Type GBT ICS 77.120.50 CCS J31 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A