DIN 1725-2 Grade 3.2382 F – High-Performance GD-AlSi10Mg Alloy for Precision Applications
GD-AlSi10Mg is an nearly eutectic alloy with excellent casting properties, good resistance to hot cracking, good machinablity and high chemical resistance. Applicable for complex thin-walled, pressure-tight and fatiguing loaded cast pieces with highest strength after hardening. Application: machine and automotive construction, transport and food industry.
Properties
General
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Density | 20.0 °C | 2.65 g/cm³ | F | DIN 1725-2, EN 1676, EN 1706 |
Mechanical
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Elastic modulus | 20.0 °C | 74.0 GPa | F | DIN 1725-2, EN 1676, EN 1706 | |
Elongation | 20.0 °C | 1.0 - 3.0 % | F | DIN 1725-2, EN 1676, EN 1706 | |
Hardness, Brinell | 20.0 °C | 70.0 - 100.0 [-] | 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 | 147.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | |
Tensile strength | 20.0 °C | 220.0 - 300.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Coefficient of thermal expansion | 200.0 °C | 2.1e-05 1/K | F | 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 | 910.0 J/(kg·K) | F | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 20.0 °C | 120.0 - 150.0 W/(m·K) | F | DIN 1725-2, EN 1676, EN 1706 |
Electrical
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Electrical conductivity | 20.0 °C | 16000000.0 - 20000000.0 S/m | F | DIN 1725-2, EN 1676, EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 86.6 % | F | DIN 1725-2, EN 1676, EN 1706 |
Copper | 0.1 | F | DIN 1725-2, EN 1676, EN 1706 |
Iron | 1.0 | F | DIN 1725-2, EN 1676, 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 | ||
|---|---|---|
| Processing methods | pressure die casting, separately cast test sample | |
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