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NA 021

DIN Standards Committee Iron and Steel

About FES Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

ISO/TC 17/SC 4
Heat treatable and alloy steels

Publications Projects

Standardization of qualities, dimensions and tolerances of heat treatable and alloy steels used mainly in the engineering and automotive industry in either the non-heat treated or the heat treated conditions. Examples are free-cutting, bright, stainless, heat-resisting, tool, spring, valve and roller bearing steels including tubular products for these applications, but not those covered by ISO/TC 5.

National mirror committee of ISO/TC 17/SC 4

Committee ID Name
NA 021-00-05-01 UA Non-alloy and alloy mechanical engineering steels