Petroleum and natural gas industries--Non-destructive testing (NDT)methods of steel tubes—Part 6: Automated full peripheral flux leakagetesting of seamless and welded ( except submerged arc-welded) ferromagneticsteel tubes for the detection of longitudinal and/or transverse imperfections
Petroleum and natural gas industries--Non-destructive testing (NDT)methods of steel tubes--Part 5: Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
Petroleum and natural gas industries-Non-destructive testing(NDT)methods of steel tubes-Part 4:Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar imperfections
Petroleum and natural gas industries-Non-destructive testing(NDT)methods of steel tubes-Part 1:Radiographic testing of weld seam of welded steel tubes for detection of imperfections