Quality Assurance of Welded Construction

acceptable Arc Welding assessed austenitic British Steel Corporation brittle fracture butt welds carbon contract cost cracking defined detail document electrode ensure equipment essential variables examination example factors failure fatigue ferritic steels fillet welds Flaw flux fracture toughness heat affected zone heat treatment hydrogen industry Low Alloy magnetic particle major manufacturing martensite material ment methods Non-destructive Testing organisation particularly pipe planar defects porosity preheat pressure vessel problems procedure qualification production quality assurance quality control quality plan quality standard radiographic recognised repair specification Standard for Welding strength stress relief Structural Welding submerged arc submerged arc welding supplier surface techniques temperature tensile test weld thickness tion tubes ultrasonic testing weld defects weld metal weld quality welded construction welded joints welder approval welding consumables welding engineer welding inspector Welding Institute welding operation welding procedure approval welding process weldment wire