ALMAR 25 is a maraging alloy steel having an excellent combination of strength and toughness particularly in the presence of notches or cracks. It is recommended for applications such as fuel rocket cases and aircraft landing gears. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-154. Producer or source: Allegheny Ludlum Corporation.