AMS5931B Steel, Wear, Galling, and Corrosion-Resistant Bars, Wire, Forgings, Extrusions, Mechanical Tubing, Rings, and Stock for Forgings, Rings, and Extruding 5.0Mn - 3.5Si - 16.5Cr - 5.0Ni - 0.14N Solution Heat Treated

AMS5931B is the result of a Five-Year Review and update of the specification. The revision updates the Title to match the Scope, revises composition testing and reporting (see 3.1 and 3.1.1), prohibits bar being cut from plate (see 3.2.1.1.3 and 4.4.2), adds strain rate control during tensile testing (see 3.4.1.1.1), adds country of origin requirement to reporting (see 4.4), addresses option for additional forging stock properties (see 4.4.3 and 8.7), updates bar and tubing quality requirements (see 3.5.1 and 8.4), prohibits unauthorized exceptions (see 3.7, 4.4.4, 5.2.1.1, and 8.5), and allows the use of prior revisions (see 8.6).