Product Code:SAE AMS5338 Title:Steel, Investment Castings, 0.95Cr - 0.20Mo (0.35 - 0.45C) (SAE 4140 Mod), Normalized or Normalized and Tempered Issuing Committee:Ams E Carbon And Low Alloy Steels Committee Scope:This specification covers a low-alloy steel in the form of investment castings.