DIN 1725-2 Grade 3.2383 F: Heat‑Resistant G‑AlSi10Mg(Cu) Casting Alloy
G-AlSi10Mg(Cu) is a near eutectic, heat resistant, hardenable 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, rib body, brake shoe
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 | 1.0 % | F | EN 1706 | A50 | |
20.0 °C | 0.5 - 6.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 1.0 - 3.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 1.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 1.0 - 4.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 1.0 - 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 | 55.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 55.0 - 65.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 60.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 65.0 - 85.0 [-] | 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 | 160.0 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 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 170.0 - 230.0 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 | 200.0 - 260.0 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 | 530.0 - 600.0 °C | F | EN 1706 | |
Specific heat capacity | 900.0 J/(kg·K) | F | EN 1706 | |
20.0 °C | 900.0 J/(kg·K) | F | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 130.0 - 170.0 W/(m·K) | F | EN 1706 | |
20.0 °C | 120.0 - 160.0 W/(m·K) | F | DIN 1725-2, EN 1676, EN 1706 |
Electrical
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Electrical conductivity | 16000000.0 - 24000000.0 S/m | F | EN 1706 | |
20.0 °C | 16000000.0 - 22000000.0 S/m | F | DIN 1725-2, EN 1676, EN 1706 | |
Electrical resistivity | 4.17e-08 - 6.25e-08 Ω·m | F | EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 86.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Copper | 0.3 % | F | DIN 1725-2, EN 1676, EN 1706 |
Iron | 0.6 % | F | DIN 1725-2, EN 1676, EN 1706 |
0.80 % | F | EN 1706 | |
Magnesium | 0.2 - 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
0.5 % | F | EN 1706 | |
Manganese | 0.1 - 0.4 % | F | DIN 1725-2, EN 1676, EN 1706 |
Nickel | 0.1 % | 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 | EN 1706 |
0.3 % | F | DIN 1725-2, EN 1676, EN 1706 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: not recommended | |
| Corrosion properties | general: acceptable | |
| General machinability | after thermal treatment: good to acceptable, as cast: good | |
| Processing methods | permanent mould casting, sample taken from casting or cast on | |
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