AMS 6512

C250 per AMS 6512 Steel, Maraging, Bars, Forgings, Tubing, and Rings 18Ni – 7.8Co – 4.9Mo – 0.40Ti – 0.10Al Consumable Electrode Vacuum Melted, Annealed 

The AMS 6512 specification covers Maraging C250 premium aircraft-quality, alloy steel in the form of bars, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.