SAE-AMS-H-6875, ADOPTION NOTICE: HEAT TREATMENT OF STEEL RAW MATERIALS (02 FEB 1999)., SAE-AMS-H-6875, "HEAT TREATMENT OF STEEL RAW MATERIALS", was adopted on 02-FEB-99 for use by the Department of Defense (DoD). Proposed changes by DoD activities must be submitted to the DoD Adopting Activity: Commander, Naval Air Warfare Center, Aircraft Division, Code 414100B120-3, Highway 547, Lakehurst, NJ 08733-5100. Copies of this document may be purchased from the Society of Automotive Engineers 400 Commonwealth Drive Warrendale, Pennsylvania, United States, 15096-0001. This specification covers the requirements for heat-treatment of four classes of steel (see 1.2) and the requirements for furnace equipment, test procedures and information for heat-treating procedures, heat-treating temperatures and material (see 6.11) test procedures.