GB 1173 Grade ZL203 T4

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Related Standards

Equivalent Materials

This material data has been provided by AluKey.

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

PropertyValueComment

Density

2.75 - 2.8 g/cm³

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Typical for Cast 2xx.x Series Aluminium

Mechanical

PropertyValueConditionRelated StandardsComment

Elastic modulus

72.0 GPa

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Typical for Cast 2xx.x Series Aluminium

Hardness, Brinell

60.0 [-]

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T4

GB 1173

Poisson's ratio

0.33 [-]

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Typical for Cast 2xx.x Series Aluminium

Tensile strength

195.0 MPa

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T4

GB 1173

205.0 MPa

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T4

GB 1173

Thermal

PropertyValueComment

Coefficient of thermal expansion

1.9e-05 - 2.3e-05 1/K

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Typical for Cast 2xx.x Series Aluminium

Melting point

510.0 - 790.0 °C

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Typical for Cast 2xx.x Series Aluminium

Specific heat capacity

875.0 - 963.0 J/(kg·K)

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Typical for Cast 2xx.x Series Aluminium

Thermal conductivity

120.0 - 150.0 W/(m·K)

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Typical for Cast 2xx.x Series Aluminium

Electrical

PropertyValueComment

Electrical conductivity

16000000.0 - 23000000.0 S/m

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Typical for Cast 2xx.x Series Aluminium

Electrical resistivity

4.347826086956522e-08 - 6.25e-08 Ω·m

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Typical for Cast 2xx.x Series Aluminium

Chemical properties

PropertyValueConditionRelated Standards

Copper

4.0 - 5.0 %

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T4

GB 1173

Iron

0.80 %

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T4

GB 1173

Lead

0.05 %

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T4

GB 1173

Magnesium

0.05 %

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T4

GB 1173

Manganese

0.1 %

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T4

GB 1173

Silicon

1.2 %

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T4

GB 1173

Tin

0.01 %

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T4

GB 1173

Titanium

0.2 %

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T4

GB 1173

Zinc

0.25 %

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T4

GB 1173

Zirconium

0.1 %

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T4

GB 1173