SAE AMS6415U
SAE AMS6415U
Steel, Bars, Forgings, and Tubing 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340)
standard by SAE International, 12/07/2016
standard by SAE International, 12/07/2016
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.