EFI Alloy 79 Annealed Sheet

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Nombres alternativos y comerciales
Magnifer 7904®, HyMu 80®, Hipernom®, Moly-Permalloy, Permalloy 80
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Description

A soft magnetic alloy consisting of 80% nickel, 5% molybdenum, and balance iron used where extremely high initial & maximum permeability and minimum hysteresis is needed.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValue

Densidad

23.0 °C

8.74 g/cm³

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Medidas

PropertyValueComment

Ancho

762 mm

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Espesor

0.25 mm

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Longitud

3048 mm

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Mill random length

Dimensions

Available thicknesses: 0.25mm, 0.36mm, 0.51mm, 0.51mm, 0.64mm, 0.76mm, 1.02mm, 1.27mm, 1.57mm, 3.18mm

Mecánica

PropertyTemperatureValueComment

Dureza Rockwell B

23.0 °C

85 [-]

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Elongación

23.0 °C

40 %

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in 2 in.

Límite elástico

23.0 °C

262 MPa

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Módulo elástico

23.0 °C

217 GPa

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Resistencia a la tracción

23.0 °C

676 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

23.0 °C

460 J/(kg·K)

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Coeficiente de dilatación térmica

450.0 °C

1.36E-5 1/K

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from 20°C to the mentioned temperature

Conductividad térmica

23.0 °C

35 W/(m·K)

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Temperatura de fusión

1454 °C

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Eléctrico

PropertyTemperatureValue

Resistividad eléctrica

23.0 °C

5.9E-7 Ω·m

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Magnético

PropertyTemperatureValue

Fuerza coercitiva

23.0 °C

1.19 A/m

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Inducción de saturación

23.0 °C

0.8 T

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Permeabilidad magnética relativa

23.0 °C

230000 [-]

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Temperatura de Curie

460 °C

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Chemical properties

PropertyValue

Azufre

8E-3 %

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Carbono

0.03 %

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Fósforo

0.02 %

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Hierro

Balance

Manganeso

0.95 %

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Molibdeno

5 %

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Níquel

80 %

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Silicona

0.42 %

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Technological properties

Property
Application areas

Common applications of EFI ALLOY 79 are: Toroidal tape-wound cores - instrument transformers, inductive components, earth-leakage circuit breakers; Magnetic shielding - shielding cans, shielding films, spatial shielding arrangements; Ground fault circuit interrupters; Electromagnetic relay parts; Laminations - transformer laminations, transformer cores for modems, stampled rings for electronic earth-leakage breakers, operating at a low magnetic field strengths