DIN 1725-2 Grade 3.2381 F – High-Performance G-AlSi10Mg Cast Alloy
G-AlSi10Mg is a near eutectic alloy with excellent casting characteristics. It exhibits well plasticity with medium strength. The alloy is suitable for difficult shapes, thin-walled, pressure tight, oscillating loaded, impact loaded cast parts. Application: devices, machines, vehicle and apparatus engineering, housing, impellers, rib body, equipment support
Properties
General
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Density | 2.65 g/cm³ | F | EN 1706 | |
20.0 °C | 2.65 g/cm³ | F | DIN 1725-2, EN 1676, EN 1706 |
Mechanical
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Bending Fatigue Strength | 80.0 - 110.0 MPa | F | EN 1706 | ||
Elastic modulus | 74.0 GPa | F | EN 1706 | ||
20.0 °C | 74.0 GPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
Elongation | 2.0 % | F | EN 1706 | A50 | |
2.5 % | F | EN 1706 | A50 | ||
20.0 °C | 2.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 2.0 - 6.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
Hardness, Brinell | 50.0 [-] | F | EN 1706 | ||
55.0 [-] | F | EN 1706 | |||
20.0 °C | 50.0 - 60.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 50.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 60.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 60.0 - 80.0 [-] | F | 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 | 137.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | |
Tensile strength | 150.0 MPa | F | EN 1706 | ||
180.0 MPa | F | EN 1706 | |||
20.0 °C | 150.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 160.0 - 210.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 180.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 180.0 - 240.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 |
Thermal
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.1e-05 1/K | F | EN 1706 |
100 °C | 2.1e-05 1/K | F | EN 1706 | |
200.0 °C | 2.2e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
Melting point | 550.0 - 600.0 °C | F | EN 1706 | |
Specific heat capacity | 910.0 J/(kg·K) | F | EN 1706 | |
20.0 °C | 910.0 J/(kg·K) | F | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 150.0 - 170.0 W/(m·K) | F | EN 1706 | |
20.0 °C | 130.0 - 190.0 W/(m·K) | F | DIN 1725-2, EN 1676, EN 1706 |
Electrical
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Electrical conductivity | 19000000.0 - 25000000.0 S/m | F | EN 1706 | |
20.0 °C | 17000000.0 - 26000000.0 S/m | F | DIN 1725-2, EN 1676, EN 1706 | |
Electrical resistivity | 4e-08 - 5.26e-08 Ω·m | F | EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 87.2 % | F | DIN 1725-2, EN 1676, EN 1706 |
Copper | 0.05 % | F | DIN 1725-2, EN 1676, EN 1706 |
Iron | 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
0.50 % | F | EN 1706 | |
Magnesium | 0.2 - 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Manganese | 0.001 - 0.4 % | F | DIN 1725-2, EN 1676, EN 1706 |
Silicon | 9.0 - 11.0 % | F | DIN 1725-2, EN 1676, EN 1706 |
Titanium | 0.15 % | F | DIN 1725-2, EN 1676, EN 1706 |
Zinc | 0.1 % | F | DIN 1725-2, EN 1676, EN 1706 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: not recommended | |
| Corrosion properties | general: good | |
| General machinability | after thermal treatment: good to acceptable, as cast: good | |
| Processing methods | permanent mould casting, sample taken from casting or cast on | |
Metal
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