EN 1564 Grade GJS-800-8 austempered

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Description

Sort EN-GJS-800-8, mat. No EN-JS1100 is a ferrous-carbon-based cast material that contains carbon predominantly in the form of spheroidal particles and that combines compared to the sort cast iron with nodular graphite (DIN EN 1563) higher strength and ductility properties by heat-treatment. Heat-treatment (austenite is transformed at a temperature between 250 and 400 °C in order to form a predominantly bainitic-ferritic structure) is an integral component of the production process.

Related Standards

Equivalent Materials

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

PropertyTemperatureValueComment

Density

23.0 °C

7.15 g/cm³

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Typical for Ductile (Nodular) Cast Iron

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

165 - 180 GPa

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Typical for Ductile (Nodular) Cast Iron

Elongation

20.0 °C

8 %

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Hardness, Brinell

20.0 °C

260 - 320 [-]

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Poisson's ratio

23.0 °C

0.26 - 0.31 [-]

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Typical for Ductile (Nodular) Cast Iron

Shear modulus

23.0 °C

63 - 66 GPa

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Typical for Ductile (Nodular) Cast Iron

Tensile strength

20.0 °C

800 MPa

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Yield strength Rp0.2

20.0 °C

500 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1E-5 - 1.6E-5 1/K

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Typical for Ductile (Nodular) Cast Iron

Melting point

1150 - 1200 °C

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Typical for Ductile (Nodular) Cast Iron

Specific heat capacity

23.0 °C

460 - 502 J/(kg·K)

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Typical for Ductile (Nodular) Cast Iron

Thermal conductivity

23.0 °C

13 - 42 W/(m·K)

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Typical for Ductile (Nodular) Cast Iron

Chemical properties

PropertyValue

Carbon

3.5 %

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Manganese

0.3 %

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Silicon

2.4 %

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