DIN 1725-2 Grade 3.2151 F: Heat‑Resistant, High‑Performance Alloy for Vehicle & Industrial Applications
G-AlSi6Cu4 is heat resistant, well grindable universal alloy, and is mostly not hardened. Application: Machine and engine components for vehicle industry, electro-technology, mining industry.
Properties
General
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Density | 2.75 g/cm³ | F | EN 1706 | |
20.0 °C | 2.75 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 | 74.0 GPa | F | EN 1706 | ||
20.0 °C | 74.0 GPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
Elongation | 1.0 % | F | EN 1706 | A50 | |
20.0 °C | 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 1.0 - 3.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
Hardness, Brinell | 60.0 [-] | F | EN 1706 | ||
75.0 [-] | F | EN 1706 | |||
20.0 °C | 60.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 65.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 65.0 - 90.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 75.0 - 110.0 [-] | 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 | 150.0 MPa | F | EN 1706 | ||
170.0 MPa | F | EN 1706 | |||
20.0 °C | 140.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 160.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 160.0 - 200.0 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 | 2.2e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 |
100 °C | 2.2e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
200.0 °C | 2.2e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
Melting point | 490.0 - 620.0 °C | F | EN 1706 | |
Specific heat capacity | 880.0 J/(kg·K) | F | EN 1706 | |
20.0 °C | 880.0 J/(kg·K) | F | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 110.0 - 120.0 W/(m·K) | F | EN 1706 | |
20.0 °C | 110.0 - 130.0 W/(m·K) | F | DIN 1725-2, EN 1676, EN 1706 |
Electrical
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Electrical conductivity | 14000000.0 - 17000000.0 S/m | F | EN 1706 | |
20.0 °C | 15000000.0 - 18000000.0 S/m | F | DIN 1725-2, EN 1676, EN 1706 | |
Electrical resistivity | 5.88e-08 - 7.14e-08 Ω·m | F | EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 82.4 % | F | DIN 1725-2, EN 1676, EN 1706 |
Copper | 3.0 - 5.0 % | F | DIN 1725-2, EN 1676, EN 1706 |
Iron | 1.0 % | F | DIN 1725-2, EN 1676, EN 1706 |
1.00 % | F | EN 1706 | |
Lead | 0.3 % | F | DIN 1725-2, EN 1676, EN 1706 |
Magnesium | 0.1 - 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Manganese | 0.1 - 0.6 % | F | DIN 1725-2, EN 1676, EN 1706 |
Nickel | 0.3 % | F | DIN 1725-2, EN 1676, EN 1706 |
Silicon | 5.0 - 7.5 % | 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 | 2.0 % | F | DIN 1725-2, EN 1676, EN 1706 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: not sufficient | |
| Corrosion properties | general: not sufficient | |
| General machinability | after thermal treatment: good | |
| Processing methods | permanent mould casting, sample taken from casting or cast on | |
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