Ключевые слова:
Butt joints|Visual inspection (testing)|Electric welding|Pipe connections|Reinforcement|Repair|Austenitic steels|Welders|Welded flanges|Filler metal|Non-destructive testing|Pipe junctions|Stainless steels|Welded joints|Fusion welding|Arc welding|Defects|Design|Pipes|Welding|Steels|Acceptance (approval)|Gas-shielded welding|Pipelines|Ferritic steels|Pipe fittings|Dimensions|Bend couplings