DIN 17745 Grade NiFe45

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Description

The material NiFe45 with the material number 2.4472 is a soft-magnetic expansion material and is chiefly applied for sealings in soft glasses. In the temperature interval RT to 400 °C, it shows a coefficient of thermal expansion of 11.1 to 11.7 10^-6 K^-1. It possesses high permeability with high field strength saturation. The alloy is of relatively good durability at normal temperatures in air with normal weather conditions as well as in fresh water and sea water. The material is well weldable by using the tungsten inert-gas method. Application for transformers, transducers, fault-current circuit breakers, toroidal [strip] cores for special applications.

Related Standards

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

8.3 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

157 GPa

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Elongation

20.0 °C

30 %

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Poisson's ratio

23.0 °C

0.28 [-]

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Typical for Nickel Iron Alloy

Tensile strength

20.0 °C

440 - 640 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.06E-5 1/K

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200.0 °C

1.06E-5 1/K

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300.0 °C

1.07E-5 1/K

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400.0 °C

1.07E-5 1/K

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500.0 °C

1.08E-5 1/K

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Melting point

1450 °C

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Typical for Nickel Iron Alloy

Specific heat capacity

20.0 °C

500 J/(kg·K)

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Thermal conductivity

20.0 °C

16.5 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

4E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.02 %

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Iron

44 - 46 %

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Manganese

0.6 %

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Nickel

53.08 %

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Silicon

0.3 %

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