Valve steels and alloys for internal combustion engines
|Publication Date:||1 September 1998|
|ICS Code (Heat-treatable steels):||77.140.10|
|ICS Code (Internal combustion engines):||27.020|
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.