Home / Standards / GB/T 44152-2024 GB/T 44152-2024 Active Ultrasonic testing method for ends of seamless steel tube 无缝钢管管端超声检测方法 Standard Type GBT ICS 77.040.20 CCS H26 Status 现行 Issue Date 2024-06-29 Implementation 2025-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A