EN 10090:1998

Valve steels and alloys for internal combustion engines EN 10090:1998

Publication date:   Apr 16, 2000

Scope

1.1 This European Standard applies to the grades of wrought high-alloy materials listed in table 1. These valve materials are used for intake and exhaust valves in reciprocating internal combustion engines. It is applicable to bars, wire, rod and forgings and for the surface finishes listed in note 3 of 6.3. 1.2 This European Standard does not apply to alloys resistant to wear and corrosion which are used to protect valve seat surfaces.