high speed steel High speed steel en:High speed steel http://en.wikipedia.org/wiki/High_speed_steel high-speed steel (HSS) High Speed Steel Defined high speed steel wikipedia. high speed steel wikipedia. http://en.wikipedia.org/wiki/High_speed_steel [بالإنجليزية] High speed steel en:High speed steel [بالإنجليزية] http://en.wikipedia.org/wiki/High_speed_steel