This document specifies the procedure and requirements for heat treating Nitralloy 135M, Nitralloy EZ, Nitralloy N, 4140, 4340, and H11 steels and for the subsequent gas nitriding of these alloys by the use of raw or dissociated ammonia.
SAE AMS2759/6-1992 history
2018SAE AMS2759/6C-2018 Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts [Superseded: SAE AMS-S-6090B, SAE AMS-S-6090A, SAE AMS-S-6090]
2014SAE AMS2759/6B-2014 Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts
2005SAE AMS2759/6B-2005 Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts [Superseded: SAE AMS-S-6090B, SAE AMS-S-6090A, SAE AMS-S-6090]
2002SAE AMS2759/6A-2002 Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts
1992SAE AMS2759/6-1992 GAS NITRIDING AND HEAT TREATMENT OF LOW-ALLOY STEEL PARTS
1987SAE AMS2759/6-1987 Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts