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Specialty Compounds RTP Company

Ed Fagan EFI Alloy 50 Soft Magnetic Alloy
Categories: Metal; Electronic/Magnetic Alloy; Ferrous Metal

Material Notes: Features high initial permeability, maximum permeability, and low core loss.

Key Words: ASTM A753, MIL N-14411
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Physical PropertiesMetricEnglishComments
Density 8.17 g/cc0.295 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell B 8080
Tensile Strength, Ultimate 518 MPa75100 psi
Tensile Strength, Yield 159 MPa23100 psi
Elongation at Break 40 %40 %in 2"
Modulus of Elasticity 166 GPa24100 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000490 ohm-cm0.0000490 ohm-cm
Magnetic Permeability 100000100000Typical DC
Magnetic Coercive Force, Hc 0.060 Oe0.060 OeTypical DC
Magnetic Saturation Flux Density, Bmax 14500 Gauss14500 GaussTypical DC
Curie Temperature 450 °C842 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 9.00 µm/m-°C
@Temperature 25.0 - 450 °C
5.00 µin/in-°F
@Temperature 77.0 - 842 °F
Specific Heat Capacity 0.502 J/g-°C0.120 BTU/lb-°F
Thermal Conductivity 13.0 W/m-K90.0 BTU-in/hr-ft²-°F
Melting Point 1427 °C2601 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C <= 0.020 %<= 0.020 %
Iron, Fe <= 49 %<= 49 %
Manganese, Mn <= 0.50 %<= 0.50 %
Nickel, Ni 50 %50 %
Silicon, Si <= 0.35 %<= 0.35 %

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NEDFA9950 / 194940

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