Historical
SAE AMS 6274P-2011 (SAE AMS6274P-2011)
Steel, Bars, Forgings and Tubing 0.50Cr 0.55Ni O.20Mo (0.18-0.23C) (SAE 8620)
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
Society of Automotive Engineers [sae]