DIN 1725-2 Grade 3.1371 T4

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Description

G-AlCu4TiMg - solidifies in an wide range of temperature - complicated casting - application in part hardend or warm hardend state - applicable for cast pieces, with high demands to strength (warm hardened) and highest toughness (cold hardened) application: - wear resistant construction parts in automobile, machine and aircraft industry

Related Standards

Equivalent Materials

This material data has been provided by WIAM,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

PropertyTemperatureValueConditionRelated Standards

Density

20.0 °C

2.75 g/cm³

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

2.75 g/cm³

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T4

EN 1706

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Bending Fatigue Strength

80.0 - 110.0 MPa

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T4

EN 1706

Elastic modulus

20.0 °C

72.0 GPa

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

70.6 GPa

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T4

WL 3.1854, DIN 1725-2

72.0 GPa

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T4

EN 1706

Elongation

20.0 °C

3.0 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

5.0 - 10.0 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

5.0 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

8.0 - 18.0 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

5.0 - 15.0 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

4.0 %

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T4

WL 3.1854, DIN 1725-2

20.0 °C

6.0 %

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T4

WL 3.1854, DIN 1725-2

8.0 %

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T4

EN 1706

A50

5.0 %

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T4

EN 1706

A50

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Hardness, Brinell

20.0 °C

85.0 [-]

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

90.0 - 120.0 [-]

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

90.0 [-]

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

95.0 - 115.0 [-]

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

90.0 - 115.0 [-]

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

90.0 [-]

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T4

EN 1706

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Poisson's ratio

0.33 [-]

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Typical for Cast 2xx.x Series Aluminium

Tensile strength

20.0 °C

270.0 MPa

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

300.0 - 400.0 MPa

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

320.0 MPa

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

320.0 - 420.0 MPa

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

240.0 MPa

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

300.0 MPa

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T4

WL 3.1854, DIN 1725-2

320.0 MPa

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T4

EN 1706

300.0 MPa

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T4

EN 1706

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Thermal

PropertyTemperatureValueConditionRelated Standards

Coefficient of thermal expansion

200.0 °C

2.4e-05 1/K

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

100 °C, 20 °C

2.3e-05 1/K

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T4

EN 1706

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Melting point

540.0 - 640.0 °C

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T4

EN 1706

Specific heat capacity

20.0 °C

910.0 J/(kg·K)

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

910.0 J/(kg·K)

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T4

EN 1706

Thermal conductivity

20.0 °C

110.0 - 140.0 W/(m·K)

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

126.0 - 147.0 W/(m·K)

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T4

WL 3.1854, DIN 1725-2

120.0 - 150.0 W/(m·K)

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T4

EN 1706

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Electrical

PropertyTemperatureValueConditionRelated Standards

Electrical conductivity

20.0 °C

16000000.0 - 20000000.0 S/m

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

20.0 °C

17000000.0 - 19000000.0 S/m

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T4

WL 3.1854, DIN 1725-2

16000000.0 - 23000000.0 S/m

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T4

EN 1706

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Electrical resistivity

4.35e-08 - 6.25e-08 Ω·m

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T4

EN 1706

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

93.5 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

93.4 %

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T4

WL 3.1854, DIN 1725-2

Copper

4.2 - 4.9 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

4.2 - 5.0 %

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T4

WL 3.1854, DIN 1725-2

Iron

0.18 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

0.35 %

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T4

WL 3.1854, DIN 1725-2

0.18 %

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T4

EN 1706

Magnesium

0.15 - 0.3 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

0.15 - 0.35 %

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T4

WL 3.1854, DIN 1725-2

Manganese

0.001 - 0.5 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

0.1 %

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T4

WL 3.1854, DIN 1725-2

Nickel

0.03

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T4

WL 3.1854, DIN 1725-2

Silicon

0.18 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

0.3 %

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T4

WL 3.1854, DIN 1725-2

Titanium

0.15 - 0.3 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

0.15 - 0.25 %

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T4

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Zinc

0.07 %

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T4

DIN 1725-2, EN 1676, EN 1706, WL 3.1854

0.1 %

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T4

WL 3.1854, DIN 1725-2

Technological properties

Property
Anodizing

decorative: acceptable

Corrosion properties

general: not sufficient

General machinability

as cast: excellent

Processing methods

investment casting, sample taken from casting