Steel Bars and Forgings 1.8Ni - 0.25Mo (0.38 – 0.43C) (4640) Heat Treated, 125 ksi (862 MPa) Tensile Strength AMS6317K

DOI: https://doi.org/10.4271/AMS6317K

Issuing Committee: AMS E Carbon and Low Alloy Steels Committee

Publisher: SAE International

Pages: 8

Rationale: AMS6317K results from a Five-Year Review and update of this specification that allows the use of grain refiners (3.1.1), adds heat teating reqirements (3.3), revises decarburizaion testing (3.4.3.3), adds tensile testing strain rate (3.4.4.2), revises surface quality (3.5.2), reporting (4.4) and identification (5.2).