Special Metals UDIMAR® alloy 300 Fe-Ni Maraging Steel

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Special Metals UDIMAR® alloy 300 Fe-Ni Maraging Steel
Categories:	Metal; Ferrous Metal; Maraging Steel
Material Notes:	UDIMAR® alloy 300 (UNS K93120) is an age-hardenable (maraging) iron-nickel steel combining ultra-high strength, toughness and resistance to crack propagation. The alloy is well suited to applications where heat treatment distortion and dimensional changes much be minimized and where high fracture toughness is required, such as rocket motor casings, light aircraft landing gear, power shafts and low temperature tooling. The 18% nickel maraging steels offer a unique combination of properties not available from conventional low alloy ultra-high strength steels. They offer high strength, high ductility and toughness, and resistance to crack propagation. Hardening is accomplished by a simple aging cycle of 3 hours at 900°F (482°C) followed by air cooling. UDIMAR alloy 300 provides through hardening without quenching, freedom from decarburization, minimal distortion during aging, good formability, machinability, and weldability and a low coefficient of thermal expansion. Information Provided by Special Metals Corporation
Key Words:	UNS K93120; AMS 6514
Vendors:

Available Properties

Density
Hardness, Rockwell C, Solution Annealed, AC
Hardness, Rockwell C, Solution Annealed Plus Aged, AC
Tensile Strength, Ultimate, Solution Annealed, AC
Tensile Strength, Ultimate, Solution Annealed Plus Aged, AC
Tensile Strength, Yield, Solution Annealed, AC
Tensile Strength, Yield, Solution Annealed Plus Aged, AC
Tensile Strength, Yield, Solution Annealed, AC
Tensile Strength, Yield, Solution Annealed Plus Aged, AC
Elongation at Break, Solution Annealed Plus Aged, AC
Elongation at Break, Solution Annealed, AC
Reduction of Area, Solution Annealed Plus Aged, AC
Reduction of Area, Solution Annealed, AC
Magnetic Permeability, at 200 Oersted (15.9 kA/m)
CTE, linear
Specific Heat Capacity
Thermal Conductivity
Melting Point
Solidus
Liquidus
Aluminum, Al
Carbon, C
Cobalt, Co
Iron, Fe, Balance
Manganese, Mn
Molybdenum, Mo
Nickel, Ni
Phosphorus, P
Silicon, Si
Sulfur, S
Titanium, Ti

Property Data

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Manufacturer Notes:
Special Metals (includes the former Inco Alloys International Inc.)

Category Notes
none

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