Specifies materials and dimensional tolerances, and prescribes chemical analysis and mechanical properties for hot-finished (HFS) and cold-finished (CFS) seamless steel tubes intended for pressure purposes. Provision is made for specifying both elevated and low temperature properties of certain of the listed grades. The identification of the steel grades is aligned with that in the relevant part of ISO 2604.

DR 83004

ISO 2604-2:1975 - Equivalent