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DIN 1725-2 Grade 3.2371 T5 – High‑Performance Aluminum Alloy for Automotive & Aerospace

G-AlSi7Mg - universal alloy with vers good mechanical properties, high strength and good toughness, very good corrosion resistance - excellent weldability application: -cast pieces in automobile, machine and aircraft industry, ship constructing and electrical engineering

Properties

General

PropertyTemperatureValueConditionRelated Standards

Density

20.0 °C

2.65 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

20.0 °C

2.0 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

2.0 - 5.0 %

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 - 6.0 %

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

5.0 - 9.0 %

T5

DIN 1725-2, EN 1676, EN 1706

Hardness, Brinell

20.0 °C

70.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

75.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

75.0 - 110.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

80.0 - 110.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

80.0 [-]

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

80.0 - 115.0 [-]

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

220.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

Tensile strength

20.0 °C

230.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

230.0 - 310.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

250.0 MPa

T5

DIN 1725-2, EN 1676, EN 1706

20.0 °C

250.0 - 340.0 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

2.2e-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

160.0 - 170.0 W/(m·K)

T5

DIN 1725-2, EN 1676, EN 1706

Electrical

PropertyTemperatureValueConditionRelated Standards

Electrical conductivity

20.0 °C

22000000.0 - 24000000.0 S/m

T5

DIN 1725-2, EN 1676, EN 1706

Chemical properties

PropertyValueConditionRelated Standards

Aluminium

91.4 %

T5

DIN 1725-2, EN 1676, EN 1706

Copper

0.05

T5

DIN 1725-2, EN 1676, EN 1706

Iron

0.18

T5

DIN 1725-2, EN 1676, EN 1706

Magnesium

0.25 - 0.45 %

T5

DIN 1725-2, EN 1676, EN 1706

Manganese

0.1

T5

DIN 1725-2, EN 1676, EN 1706

Silicon

6.5 - 7.5 %

T5

DIN 1725-2, EN 1676, EN 1706

Titanium

0.001 - 0.2 %

T5

DIN 1725-2, EN 1676, EN 1706

Zinc

0.07

T5

DIN 1725-2, EN 1676, EN 1706

Technological properties

Property
Processing methods

investment casting, sample taken from casting


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