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DIN 1725‑2 Grade 3.2341 T5 – G‑AlSi5Mg: High‑Performance Alloy for Food, Chemical & Fire‑Defense Applications

The alloy G-AlSi5Mg poses good casting porperties with moderate flowing ability, it is good polishable and able for anodic oxidising. Application: parts for food and chemical industry, fittings and in fire defence.

Properties

General

PropertyTemperatureValueConditionRelated Standards

Density

20.0 °C

2.7 g/cm³

T5

DIN 1725-2, EN 1676, EN 1706

Mechanical

PropertyTemperatureValueConditionRelated StandardsComment

Elastic modulus

20.0 °C

73.0 GPa

T5

DIN 1725-2, EN 1676, EN 1706

Elongation

-196.0 °C

1.4 %

T5

DIN 1725-2, EN 1676, EN 1706

-196.0 °C

1.6 %

T5

DIN 1725-2, EN 1676, EN 1706

-120.0 °C

1.2 %

T5

DIN 1725-2, EN 1676, EN 1706

-120.0 °C

1.6 %

T5

DIN 1725-2, EN 1676, EN 1706

-50.0 °C

1.4 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

0.5 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

0.7 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

1.0 - 3.0 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

2.2 %

T5

DIN 1725-2, EN 1676, EN 1706

Hardness, Brinell

20.0 °C

90.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

90.0 - 110.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

Poisson's ratio

0.33 [-]

Typical for Cast 3xx.x Series Aluminium

Shear modulus

2.8 GPa

Typical for Cast 3xx.x Series Aluminium

Shear strength

20.0 °C

181.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

Tensile strength

-196.0 °C

278.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

-196.0 °C

312.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

-120.0 °C

266.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

-120.0 °C

287.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

-50.0 °C

258.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

-50.0 °C

276.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

190.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

242.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

249.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

260.0 - 320.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

200.0 °C

2.3e-05 1/K

T5

DIN 1725-2, EN 1676, EN 1706

Melting point

505.0 - 770.0 °C

Typical for Cast 3xx.x Series Aluminium

Specific heat capacity

20.0 °C

920.0 J/(kg·K)

T5

DIN 1725-2, EN 1676, EN 1706

Thermal conductivity

20.0 °C

150.0 - 190.0 W/(m·K)

T5

DIN 1725-2, EN 1676, EN 1706

Electrical

PropertyTemperatureValueConditionRelated Standards

Electrical conductivity

20.0 °C

21000000.0 - 29000000.0 S/m

T5

DIN 1725-2, EN 1676, EN 1706

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

91.8 %

T5

DIN 1725-2, EN 1676, EN 1706

Copper

0.05

T5

DIN 1725-2, EN 1676, EN 1706

Iron

0.5

T5

DIN 1725-2, EN 1676, EN 1706

Magnesium

0.4 - 0.8 %

T5

DIN 1725-2, EN 1676, EN 1706

Manganese

0.001 - 0.4 %

T5

DIN 1725-2, EN 1676, EN 1706

Silicon

5.0 - 6.0 %

T5

DIN 1725-2, EN 1676, EN 1706

Titanium

0.001 - 0.2 %

T5

DIN 1725-2, EN 1676, EN 1706

Zinc

0.1

T5

DIN 1725-2, EN 1676, EN 1706

Technological properties

Property
Processing methods

permanent mould casting


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