SAE AMS 6409F

SAE AMS 6409F (Steel, Bars, Forgings, Mechanical Tubing and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Special Aircraft Quality Cleanliness Normalized and Tempered)· SAE (United States) · 1 materials