Home / Standards / GB/T 7233.2-2023 GB/T 7233.2-2023 Active Steel castings—Ultrasonic testing—Part 2:Steel castings for highly stressed components 铸钢件 超声检测 第2部分:高承压铸钢件 Standard Type GBT ICS 77.040.20 CCS J31 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A