This specification establishes requirements for steel forgings of any shape or form from which finished parts are to be made (See 8.2, 8.3.4, 8.5, and 8.6).
1. SCOPE: 1.1 Type: This specification covers high quality holts and screws made of a low-alloy, heat resistant steel. 1. 2 Application: Primarily for joining parts where high strength up to 900'F (480'C) is reqnired.