SAE AMS6493A
SAE AMS6493A Steel Bars, Forgings, and Tubing 1.0Cr - 3.25Ni - 0.40Mo (0.17 - 0.22C) Electroslag Remelted or Consumable Electrode Vacuum Remelted Premium Aircraft-Quality
standard by SAE International, 11/07/2013
standard by SAE International, 11/07/2013