KS D ISO 12094-2002(2013) Seamless and welded steel tubes for pressure purposes ― Ultrasonic testing for the detection of laminar imperfections in strips/plates used in the manufacture of welded tubes
2002KS D ISO 12094:2002 Welded steel tubes for pressure purposes-Ultrasonic testing for the detection of laminar imperfections in strips/plates used in the manufacture of welded tubes