Specification for 212;% nickel-chromium-molybdenum steel tubes (1390 Mpa) Aircraft components, Air transport engineering, Pipes, Steels, Nickel steels, Chromium steels, Molybdenum steels, Alloy steels, Chemical composition, Heat treatment, Dimensional tolerances,
Dimensions, Tensile strength, Thickness, Impact testing, Melting, Designations, Pressure pipes