This second edition cancels and replaces the first edition (1977). Specifies the diameters, thicknesses, tolerances and masses per unit length of fired tubes, including superheater and heat exchanger tubes. It does not apply für tubes according to ISO 6758 and ISO 6759. Tabulates carbon and alloy steel tubes (table 1), austenitic stainless steel tubes (table 2, ferritic and martensitic steel tubes (table 3)).