Standard Specification for Special-Quality Ball and Roller Bearing Steel
|Publication Date:||27 December 1985|
|ICS Code (Heat-treatable steels):||77.140.10|
1.1 This specification covers special-quality steel billets for rolling or forging bars. tube rounds. rods, coils and tubes to be used in the manufacture of ball and roller bearings.
1.2 The values stated in inch-pound units are to be regarded as the standard.