Descriptors | Arc welding, Class I welding, Fusion welding, Welding, Electric welding, Austenitic steels, Stainless steels, Steels, Pipelines, Pipes, Pipe fittings, Filler metal, Gas-shielded welding, Welded joints, Assembling, Butt joints, Dimensions, Design, Bend couplings, Pipe connections, Pipe junctions, Welded flanges, Visual inspection (testing), Non-destructive testing, Defects, Qualification approval, Approval testing, Acceptance (approval), Welders, Test specimens, Bend testing, Etching, Repair, Examination (education) |