Invar® 36 Sheet

Alternative and trade names
Invar 36®, Pernifer 36®, Nilo 36®, Invar Steel
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Description

Invar® is a low expansion alloy consisting of 36% 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

PropertyValueTemperature

Density

8.05 g/cm³

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23.0 °C

Dimension

PropertyValue

Dimensions

Available thicknesses: 0.8mm, 1.0mm, 1.6mm, 2.5mm, 3.2mm

Length

1828 mm

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Thickness

0.76 - 3.18 mm

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Width

609.6 mm

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Mechanical

PropertyValueTemperatureComment

Elastic modulus

141 GPa

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23.0 °C

Elongation

34 %

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23.0 °C

in 2 in.

Hardness, Rockwell B

80 [-]

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23.0 °C

Poisson's ratio

0.29 [-]

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23.0 °C

Tensile strength

518 MPa

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23.0 °C

Yield strength

276 MPa

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23.0 °C

Thermal

PropertyValueTemperatureComment

Coefficient of thermal expansion

1.9E-6 1/K

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100.0 °C

from 20°C to the mentioned temperature

2.4E-6 1/K

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150.0 °C

from 20°C to the mentioned temperature

3E-6 1/K

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200.0 °C

from 20°C to the mentioned temperature

4.4E-6 1/K

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250.0 °C

from 20°C to the mentioned temperature

6.1E-6 1/K

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300.0 °C

from 20°C to the mentioned temperature

7.5E-6 1/K

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350.0 °C

from 20°C to the mentioned temperature

8.7E-6 1/K

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400.0 °C

from 20°C to the mentioned temperature

8.9E-6 1/K

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450.0 °C

from 20°C to the mentioned temperature

1.05E-5 1/K

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500.0 °C

from 20°C to the mentioned temperature

1.18E-5 1/K

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600.0 °C

from 20°C to the mentioned temperature

Melting point

1427 °C

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Specific heat capacity

502 J/(kg·K)

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23.0 °C

Thermal conductivity

10 W/(m·K)

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23.0 °C

Electrical

PropertyValueTemperature

Electrical resistivity

8.2E-7 Ω·m

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23.0 °C

Magnetic

PropertyValue

Curie temperature

279 °C

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Chemical properties

Property

Carbon

0.05 %

Chromium

0.25 %

Cobalt

0.5 %

Iron

Balance

Nickel

36 %

Silicon

0.4 %

Sulfur

0.015 %

Technological properties

Property
Application areas

Positioning devices • Bimetal thermostats • Advanced composite molds for aerospace industry • Dimensionally stable instruments and optical devices • Containers for LNG tankers • Transfer lines for LNG • Echo boxes and filters for mobile telephones • Magnetic shielding • Small electrical transformers • Metrology devices • Scientific instruments • Electrical circuit breakers • Temperature regulators • Clock balance wheels • Pendulum clocks • Precision condenser blades • Radar and microwave cavity resonators • Special electronic housings • Seals, spacers, and specialized frames • High voltage transmission lines • CRT applications: shadow masks, deflection clips, and electron gun components.