KS D ISO 9402-2002(2012) 承压用无缝和焊接(埋弧焊除外)钢管纵向缺陷检测用铁磁钢管的全周向磁传感器/漏磁检测
Seamless and welded(except submerged arc-welded) steel tubes for pressure purposes-Full peripheral magnetic transducer/flux leakage testing of ferromagnetic steel tubes for the detection of longitudin