Maraging Steel 350/ C350 (AMS 6515 / MIL-S-46850)


Technical Data Sheet

Maraging 350 is a nickel maraging steel which contains Cobalt as the primary strengthening agent. Maraging 350 has excellent mechanical properties, workability and heat treatment characteristics. Maraging 350 is used for missile and rocket motor cases, landing and takeoff gear components, high performance shafting, gears and fasteners.

Chemical Composition Limits
Weight% Ni Co Mn Si C B P S Al Mo Ti Zr
Maraging 350 18.50 12.0 0.10 max 0.10 max 0.03 max 0.003 0.01 max 0.01 max 0.10 4.8 1.40 0.01

Typical Mechanical Properties

Material 0.2 % Yield Strength ksi Ultimate Tensile Strength ksi Elongation in 4D(%)
Maraging 350 330 350 8

Availability
Maraging 350 is available in Rod, Bar, Billet (up to 18" diameter), Plate, Sheet, Forgings, Seamless Pipe, Welded Pipe, Seamless Tube, Welded Tube. For all stock availability contact Sales.

Specifications
MIL-S-46850
AMS 6515
Trade name\’s: Maraging 350, Vascomax C350™

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