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Alloy 50 Material Property Data Sheet

Do you need custom fasteners created with Alloy 50? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Alloy 50 Bar Stock we have available to meet your needs.


Carpenter Hiperco Alloy 50 Fe-Co-V Soft Magnetic Alloy, Cold Rolled

Subcategory: Cobalt Alloy; Electronic/Magnetic Alloy; Metal

Key Words: ASTM A801 Alloy Type 1; Mil-A-47182; Carpenter Technology Corporation, Carpenter Steel Division; Cartech

Component   Wt. %

Material Notes:
Iron content calculated as remainder.

Hiperco alloy 50 is an iron-cobalt-vanadium soft magnetic alloy which exhibits high magnetic saturation (24 kilogauss), high D.C. maximum permeability, low D.C. coercive force, and low A.C. core loss. This alloy is produced in strip form only and contains a small niobium addition for grain refinement during mill processing and final heat treatment of strip.

Hiperco alloy 50 strip has been used primarily in the manufacture of rotor and stator laminations in motors and generators for aircraft power generation applications. These laminations are stamped from cold rolled strip and must be final annealed in a protective atmosphere or vacuum environment at a temperature which will provide and optimum combination of mechanical and magnetic properties to withstand the high stresses encountered in service.

Hiperco 50 has the same nominal composition as Vanadium Permendur and Permendur V.

Hiperco is a registered trademark of Carpenter Technology Corporation. Data provided by Carpenter Technology Corporation.

Physical PropertiesMetricEnglishComments
Density8.12 g/cc0.293 lb/in 

Mechanical Properties
Hardness, Brinell334334 Estimated from Rockwell C for 3000 kg load, 10 mm ball Brinell measurement.
Hardness, Knoop363363 Estimated from Rockwell C
Hardness, Rockwell C3636 
Hardness, Vickers349349 Estimated from Rockwell C
Tensile Strength, Ultimate1345 MPa195000 psi 
Tensile Strength, Yield1275 MPa185000 psi 0.2% Offset
Elongation at Break1 %1 % in 50 mm
Modulus of Elasticity207 GPa30000 ksi 

Electrical Properties
Electrical Resistivity4e-005 ohm-cm4e-005 ohm-cm 
Curie Temperature940 C1720 F 

Thermal Properties
CTE, linear 20C9.5 m/m-C5.28 in/in-F 25-200C
CTE, linear 250C10.1 m/m-C5.61 in/in-F 25-400C
CTE, linear 500C10.5 m/m-C5.83 in/in-F 25-600C
Thermal Conductivity29.8 W/m-K207 BTU-in/hr-ft-F 


This information is provided by MatWeb.com, The Online Materials Database and is reprinted with their permission.

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