Ключевые слова:
Wrought steels, Pipe caps, Welded fittings, Stainless steels, Pressure pipes, Pipe tees, Pipe fittings, Reducing couplings, Mechanical testing, Elbows (pipes), Austenitic steels, Chemical composition, Marking, Inspection, Butt joints, Ferritic steels, Pipe couplings, Bend couplings, Dimensions, Mechanical properties of materials