SAE AMS 6525D

This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.These products have been used typically for heat-treated parts, requiring toughness and through-hardening to high strength levels and where such parts may require welding during fabrication, but usage is not limited to such applications.

This product replaces:SAE AMS 6525C - Steel, Bars, Forgings, Tubing, and Rings 0.75Cr 9.0Ni 4.5Co 1.0Mo 0.09V (0.17-0.23C) Consumable Electrode Vacuum Melted ( Reaffirmed: Apr 2007 )