Alloy 42 Annealed Strip/Coil

Alternative and trade names
Pernifer 40®, NILO 42®, Glass Seal 42®
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Description

A controlled expansion nickel iron alloy, consisting of nearly 41% nickel, balance iron.

Related Standards

Equivalent Materials

This material data has been provided by Matmatch.

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

23.0 °C

8.12 g/cm³

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Dimension

PropertyValue

Thickness

0.25 - 2.03 mm

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Width

304.8 mm

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Dimensions

Available thicknesses: 0.254mm, 0.381mm, 0.508mm, 2.032mm

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

148 GPa

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Elongation

23.0 °C

30 %

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in 2 in.

Hardness, Rockwell B

23.0 °C

80 [-]

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Tensile strength

23.0 °C

566 MPa

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Yield strength

23.0 °C

235 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

4.2E-6 1/K

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from 30°C to the mentioned temperature

150.0 °C

4.2E-6 1/K

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from 30°C to the mentioned temperature

200.0 °C

4.2E-6 1/K

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from 30°C to the mentioned temperature

250.0 °C

4.2E-6 1/K

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from 30°C to the mentioned temperature

300.0 °C

4E-6 - 4.7E-6 1/K

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from 30°C to the mentioned temperature

325.0 °C

4.6E-6 1/K

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from 30°C to the mentioned temperature

350.0 °C

5E-6 1/K

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from 30°C to the mentioned temperature

375.0 °C

5.6E-6 1/K

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from 30°C to the mentioned temperature

400.0 °C

6.1E-6 1/K

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from 30°C to the mentioned temperature

425.0 °C

6.7E-6 1/K

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from 30°C to the mentioned temperature

450.0 °C

6.7E-6 - 7.4E-6 1/K

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from 30°C to the mentioned temperature

475.0 °C

7.7E-6 1/K

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from 30°C to the mentioned temperature

500.0 °C

8.1E-6 1/K

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from 30°C to the mentioned temperature

525.0 °C

8.5E-6 1/K

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from 30°C to the mentioned temperature

550.0 °C

8.9E-6 1/K

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from 30°C to the mentioned temperature

600.0 °C

9.6E-6 1/K

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from 30°C to the mentioned temperature

700.0 °C

1.05E-5 1/K

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from 30°C to the mentioned temperature

800.0 °C

1.14E-5 1/K

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from 30°C to the mentioned temperature

900.0 °C

1.23E-5 1/K

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from 30°C to the mentioned temperature

1005.0 °C

1.32E-5 1/K

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from 30°C to the mentioned temperature

Melting point

1427 °C

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Specific heat capacity

23.0 °C

502 J/(kg·K)

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Thermal conductivity

23.0 °C

11 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

6.8E-7 Ω·m

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Magnetic

PropertyValue

Curie temperature

380 °C

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Chemical properties

PropertyValue

Carbon

0.05 %

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Chromium

0.03 %

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Iron

Balance

Nickel

41 %

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Silicon

0.3 %

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Sulfur

0.025 %

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Technological properties

Property
Application areas

Common applications of Alloy 42: Thermostats, thermoswitches, integrated circuit lead frames, Glass to metal seals for a wide variety of electronic tubes, hermetic packages, and automotive and industrial lamps., high temperature curing of aircraft thermoset composites