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DIN 1725-2 Grade 3.3241 T5 – High-Performance G‑AlMg3Si Alloy for Marine, Automotive & Aerospace Applications

The alloy G-AlMg3Si solidified in a wide temperature range, is sufficiently castable and poses excellent weather and corrosion resistance. G-AlMg3Si is especially applicable for mechanically high loaded cast pieces. It is excellent polishable and able for anodic oxdising for decorative purpose. Application: ship, automotive and aircraft construction, chemical and fodd industry, fittings and claddings

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

70.0 GPa

T5

DIN 1725-2, EN 1676, EN 1706

Elongation

20.0 °C

2.0 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

2.0 - 8.0 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

3.0 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

3.0 - 10.0 %

T5

DIN 1725-2, EN 1676, EN 1706

Hardness, Brinell

20.0 °C

55.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

60.0 - 80.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

60.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

65.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

65.0 - 90.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

Poisson's ratio

0.33 [-]

Typical for Cast 5xx.x Series Aluminium

Tensile strength

20.0 °C

180.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

200.0 - 280.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

220.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

220.0 - 300.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

Thermal

PropertyTemperatureValueConditionRelated StandardsComment

Coefficient of thermal expansion

200.0 °C

2.4e-05 1/K

T5

DIN 1725-2, EN 1676, EN 1706

Melting point

450.0 - 640.0 °C

Typical for Cast 5xx.x Series Aluminium

Specific heat capacity

20.0 °C

930.0 J/(kg·K)

T5

DIN 1725-2, EN 1676, EN 1706

Thermal conductivity

20.0 °C

110.0 - 140.0 W/(m·K)

T5

DIN 1725-2, EN 1676, EN 1706

Electrical

PropertyTemperatureValueConditionRelated Standards

Electrical conductivity

20.0 °C

15000000.0 - 21000000.0 S/m

T5

DIN 1725-2, EN 1676, EN 1706

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

93.8 %

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

2.5 - 3.5 %

T5

DIN 1725-2, EN 1676, EN 1706

Manganese

0.001 - 0.4 %

T5

DIN 1725-2, EN 1676, EN 1706

Silicon

0.9 - 1.3 %

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

investment casting, sample taken from casting


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