Home / Standards / GB/T 15830-2008 GB/T 15830-2008 Active Non-destructive testing - Practice for ultrasonic testing of circumferential butt welds in steel pipes and tubes 无损检测 钢制管道环向焊缝对接接头超声检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2008-07-30 Implementation 2009-02-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委