This specification@ in conjunction with the general requirements for steel heat treatment covered in AMS2759@ establishes the requirements for heat treatment of low-alloy steel parts to minimum ultimate tensile strengths of 220 ksi (1517 MPa) and higher. Parts are defined in AMS2759.
SAE AMS2759/2E-2009 history
2009SAE AMS2759/2E-2009 Heat Treatment of Low-Alloy Steel Parts Minimum Tensile Strength 220 ksi (1517 MPa) and Higher