AMS 6521

MARAGING C300 per AMS 6521 Steel Sheet, Strip, and Plate, Maraging, 18.5Ni – 9.0Co – 4.9Mo – 0.65Ti – 0.10Al, Consumable Electrode Melted, Solution Heat Treated


The AMS 6521 specification covers Maraging C300 premium-aircraft-quality, maraging steel in the form of sheet, strip, and plate.


Application of Maraging C300

Maraging 300 is an age hardenable (maraging) iron nickel stainless steel. Maraging 300 has exceptional strength, toughness and is resistant to crack propagation. Maraging 300 is used for tooling, transmission shafts, autosport components and light aircraft landing gear.