SAE AMS6428K
SAE AMS6428K
Steel, Bars, Forgings, and Tubing 0.78Cr - 1.8Ni - 0.35Mo - 0.20V (0.32 - 0.38C) (4335 Mod)
standard by SAE International, 07/29/2014
standard by SAE International, 07/29/2014