Descriptors | Steels, Pipe fittings, Welded fittings, Welding, Butt joints, Welded joints, Petroleum technology, Cast steels, Austenitic steels, Nickel steels, Chromium steels, Heat treatment, Marking, Burst tests, Dimensions, Diameter, Thickness, Elbows (pipes), Bend couplings, Pipe tees, Reducing couplings, Pipe caps, Imperial system |