Home / Standards / GB/T 32552-2016 GB/T 32552-2016 Active Automated full peripheral ultrasonic thickness testing of seamless and welded (except submerged arc-welded) steel tubes 无缝和焊接钢管(埋弧焊除外)的自动全圆周超声厚度检测 Standard Type GBT ICS 77.040.20 CCS H26 Status 现行 Issue Date 2016-02-24 Implementation 2016-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A