C350 maraging steel is a high strength steel alloy containing 2.0% cobalt and 4.8% molybdenum.
Produced by vacuum arc re-melting and providing a very high strength nominally 350 Ksi tensile (2415 MPa) with an above-average level of toughness, the alloy retains its tensile strength up to 450°C and good notch impact is maintained down to minus 50°C and below. This material may be nitrided. We supply C350 in the annealed condition where the microstructure consists of fine martensite before final heat treatment.
Maraging steels are usually machined in the annealed condition, although machining in the maraged state is possible. Processing the material close to finished dimensions is also a benefit, as the low-temperature maraging treatment results in minimal distortion. The alloy offers good weldability.
The alloy is suitable for use in the following areas:
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