SAE AMS6427M
SAE AMS6427M
Steel Bars, Forgings, and Tubing 0.88Cr - 1.8Ni - 0.42Mo - 0.08V (0.28 - 0.33C) (4330 Mod)
standard by SAE International, 08/29/2014
standard by SAE International, 08/29/2014