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Rulon Bearings

Ed Fagan EFI Alloy 79 Soft Magnetic Alloy
Categories: Metal; Electronic/Magnetic Alloy; Nonferrous Metal; Nickel Alloy
Material Notes: Features extremely high initial & maximum permeability and minimum hysteresis. Composition is equivalent to: Magnifer 7904, HyMu 80, Hipernom, Moly-Permalloy, Permalloy 80.
Key Words: ASTM A753, MIL N-14411C
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Physical PropertiesMetricEnglishComments
Density 8.75 g/cc0.316 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell B 8585
Tensile Strength, Ultimate 676 MPa98000 psi
Tensile Strength, Yield 262 MPa38000 psi
Elongation at Break 40 %40 %in 2"
Modulus of Elasticity 217 GPa31500 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000590 ohm-cm0.0000590 ohm-cm
Magnetic Permeability 230000230000Typical DC
Magnetic Coercive Force, Hc 0.015 Oe0.015 OeTypical DC
Magnetic Saturation Flux Density, Bmax 8700 Gauss8700 GaussTypical DC
Curie Temperature 460 °C860 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 13.5 µm/m-°C
@Temperature 25.0 - 450 °C		7.50 µin/in-°F
@Temperature 77.0 - 842 °F
Thermal Conductivity 34.6 W/m-K240 BTU-in/hr-ft²-°F
Melting Point 1454 °C2649 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C <= 0.03 %<= 0.03 %
Iron, Fe 15 %15 %as Balance
Manganese, Mn <= 0.95 %<= 0.95 %
Molybdenum, Mo <= 5.0 %<= 5.0 %
Nickel, Ni 80 %80 %Nominal
Phosphorus, P <= 0.02 %<= 0.02 %
Silicon, Si <= 0.42 %<= 0.42 %
Sulfur, S <= 0.008 %<= 0.008 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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