DIN 1691 Grade GG-30

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Description

GG-30 finds use for castings for general mechanical engineering (machine casting) including shipbuilding, for machine tools, machines for textile and to electric industry, apparatus engineering, agricultural machinery, household machines, writing and calculating machines, turbine case, compressor. The material is comparable to F 13101 (see to material 45 B, ASTM A 48) and/or US with US F 13102 (see to material 45 B, ASTM A 278 and ASME SA 278) of the USA.

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

PropertyTemperatureValue

Density

20.0 °C

7.25 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

108 - 137 GPa

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Hardness, Brinell

20.0 °C

265 - 285 [-]

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Plane-Strain Fracture Toughnes

20.0 °C

17.7 MPa·√m

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Poisson's ratio

20.0 °C

0.26 [-]

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Shear modulus

23.0 °C

41 GPa

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Typical for Cast Iron

Tensile strength

20.0 °C

190 - 400 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.1E-5 - 1.5E-5 1/K

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Typical for Grey Cast Iron

Melting point

1127 - 1204 °C

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Typical for Grey Cast Iron

Specific heat capacity

200.0 °C

460 J/(kg·K)

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600.0 °C

535 J/(kg·K)

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Thermal conductivity

23.0 °C

20 - 80 W/(m·K)

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Typical for Grey Cast Iron

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7E-7 Ω·m

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