ISO 2937:1974

Plain end seamless steel tubes for mechanical application

Specifies the chracteristics of hot-finished tubes intended for use with or without subsequent machining operations. Cowers outside diameters from 33,7 mm up to and including 406,4 mm with thicknesses from 3,2 mm up to and including 65 mm. Lays down chemical compositon as well as mechnical and technical properties of material.