DIN 1725-2 Grade 3.2211 O – Premium G‑AlSi11 Eutectic Alloy for High‑Precision Casting
G-AlSi11 - eutectic alloy - excellent ability for filling shapes and casting properties with high chemical resistance - high hot crack resistance - applicable for complex, thin walled, pressure tight and stable at vibration cast pieces with good corrosion resistance application: - parts of machines, cylinder head and block, crankcase, pump bodys, impeller, blocks and plates for assembling
Properties
General
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Density | 20.0 °C | 2.65 g/cm³ | O | DIN 1725-2, EN 1676, EN 1706 |
Mechanical
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Elastic modulus | 20.0 °C | 75.0 GPa | O | DIN 1725-2, EN 1676, EN 1706 | |
Elongation | 20.0 °C | 7.0 % | O | DIN 1725-2, EN 1676, EN 1706 | |
20.0 °C | 8.0 - 13.0 % | O | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 8.0 % | O | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 9.0 - 17.0 % | O | DIN 1725-2, EN 1676, EN 1706 | ||
Hardness, Brinell | 20.0 °C | 40.0 [-] | O | DIN 1725-2, EN 1676, EN 1706 | |
20.0 °C | 45.0 - 65.0 [-] | O | DIN 1725-2, EN 1676, EN 1706 | ||
Poisson's ratio | 0.33 [-] | Typical for Cast 4xx.x Series Aluminium | |||
Tensile strength | 20.0 °C | 140.0 MPa | O | DIN 1725-2, EN 1676, EN 1706 | |
20.0 °C | 150.0 - 200.0 MPa | O | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 150.0 MPa | O | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 170.0 - 230.0 MPa | O | 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 | O | DIN 1725-2, EN 1676, EN 1706 | |
Melting point | 565.0 - 630.0 °C | Typical for Cast 4xx.x Series Aluminium | |||
Specific heat capacity | 20.0 °C | 910.0 J/(kg·K) | O | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 20.0 °C | 130.0 - 190.0 W/(m·K) | O | DIN 1725-2, EN 1676, EN 1706 |
Electrical
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Electrical conductivity | 20.0 °C | 18000000.0 - 27000000.0 S/m | O | DIN 1725-2, EN 1676, EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 87.2 % | O | DIN 1725-2, EN 1676, EN 1706 |
Copper | 0.03 | O | DIN 1725-2, EN 1676, EN 1706 |
Iron | 0.18 | O | DIN 1725-2, EN 1676, EN 1706 |
Magnesium | 0.001 - 0.4 % | O | DIN 1725-2, EN 1676, EN 1706 |
Manganese | 0.03 | O | DIN 1725-2, EN 1676, EN 1706 |
Silicon | 10.0 - 11.8 % | O | DIN 1725-2, EN 1676, EN 1706 |
Titanium | 0.15 | O | DIN 1725-2, EN 1676, EN 1706 |
Zinc | 0.07 | O | DIN 1725-2, EN 1676, EN 1706 |
Technological properties
| Property | ||
|---|---|---|
| Processing methods | permanent mould casting, sample taken from casting | |
Metal
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