GB/T 12606-2016
无缝和焊接(埋弧焊除外)铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测
Full-circumference automatic magnetic flux leakage testing of seamless and welded (except submerged arc welded) ferromagnetic steel pipes for longitudinal and/or transverse imperfections
GBT12606-2016, GB12606-2016