Description / Abstract:
The steel is suitable for use in aircraft parts and other parts
in which a high core strength is required. The steel may be case
hardened in ammonia gas to give a minimum case hardness of 900
Vickers.
SAE AMS-S-6709 Revision A, September 1, 2002
Steel, Chrome-Molybdenum-Aluminum; Bars, Rods, Billets and Forging Stock
(for Nitriding) (Aircraft Quality)