SAE AMS6491E
SAE AMS6491E
Steel Bars, Forgings, and Tubing 4.1Cr - 4.2Mo - 1.0V (0.80 - 0.85C) (M-50) Premium Aircraft-Quality for Bearing Applications, Double Vacuum Meltedstandard by SAE International, 05/19/2014
standard by SAE International, 05/19/2014