DIN 1725-2 Grade 3.2982 F – Premium Cast Aluminum Alloy for Industrial Use
GD-AlSi12(Cu) is an eutectic alloy with excellent castin properties, good strain and moderate strength. It is applicable for difficult shaped, thin-walled, pressure-tight, fatiguing and impact loaded cast pieces. Application: tool, machine, automotive and instrument construction, cases, impeller, rip bodys, tool bearer
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 | 60.0 - 90.0 MPa | F | EN 1706 | ||
Elastic modulus | 76.0 GPa | F | EN 1706 | ||
20.0 °C | 76.0 GPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
Elongation | 1.0 % | F | EN 1706 | A50 | |
20.0 °C | 1.0 - 3.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
Hardness, Brinell | 70.0 [-] | F | EN 1706 | ||
20.0 °C | 60.0 - 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 | |||
Tensile strength | 240.0 MPa | F | EN 1706 | ||
20.0 °C | 220.0 - 300.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 |
Thermal
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 1.9999999999999998e-05 1/K | F | EN 1706 |
20 °C | 2.1e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
100 °C | 1.9999999999999998e-05 1/K | F | EN 1706 | |
200.0 °C | 2.1e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
200 °C | 2.1e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
Melting point | 530.0 - 580.0 °C | F | EN 1706 | |
Specific heat capacity | 890.0 J/(kg·K) | F | EN 1706 | |
20.0 °C | 890.0 J/(kg·K) | F | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 120.0 - 150.0 W/(m·K) | F | EN 1706 | |
20.0 °C | 120.0 - 140.0 W/(m·K) | F | DIN 1725-2, EN 1676, EN 1706 |
Electrical
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Electrical conductivity | 15000000.0 - 20000000.0 S/m | F | EN 1706 | |
20.0 °C | 16000000.0 - 20000000.0 S/m | F | DIN 1725-2, EN 1676, EN 1706 | |
Electrical resistivity | 5e-08 - 6.67e-08 Ω·m | F | EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 81.9 % | F | DIN 1725-2, EN 1676, EN 1706 |
Copper | 1.2 % | F | DIN 1725-2, EN 1676, EN 1706 |
Iron | 1.2 % | F | DIN 1725-2, EN 1676, EN 1706 |
1.20 % | F | EN 1706 | |
Lead | 0.2 % | F | DIN 1725-2, EN 1676, EN 1706 |
Magnesium | 0.4 % | F | DIN 1725-2, EN 1676, EN 1706 |
Manganese | 0.1 - 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Nickel | 0.2 % | F | DIN 1725-2, EN 1676, EN 1706 |
Silicon | 10.5 - 13.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Tin | 0.1 % | F | DIN 1725-2, EN 1676, EN 1706 |
Titanium | 0.15 % | F | DIN 1725-2, EN 1676, EN 1706 |
Zinc | 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: not recommended | |
| Corrosion properties | general: acceptable | |
| General machinability | after thermal treatment: acceptable | |
| Processing methods | pressure die casting, separately cast test sample | |
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