SAE Standards Works
AMS E Carbon and Low Alloy Steels Committee
AMS5338G - Steel, Investment Castings, 0.95Cr - 0.20Mo (0.35 - 0.45C) (SAE 4140 Mod), Normalized or Normalized and Tempered
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Steel, Investment Castings, 0.95Cr - 0.20Mo (0.35 - 0.45C) (SAE 4140 Mod), Normalized or Normalized and Tempered
This specification covers a low-alloy steel in the form of investment castings. These castings have been used typically for small structural parts of intricate design requiring heat treatment to minimum tensile strengths up to 175 ksi (1207 MPa), but usage is not limited to such applications.
AMS5338G is a Five Year Review and update of this specification.