DIN 1725-2 Grade G-AlSi7Mg T6 Aluminium Alloy – Specifications & Properties
DIN 1725-2 standard is replaced with EN 1706
Properties
General
| Property | Value | Comment |
|---|---|---|
Density | 2.65 - 2.7 g/cm³ | Typical for Cast 3xx.x Series Aluminium |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Elastic modulus | 73.0 - 80.0 GPa | Typical for Cast 3xx.x Series Aluminium | ||
Elongation | 2.0 - 4.0 % | T6 | DIN 1725-2 | |
Poisson's ratio | 0.33 [-] | Typical for Cast 3xx.x Series Aluminium | ||
Shear modulus | 2.8 GPa | Typical for Cast 3xx.x Series Aluminium |
Thermal
| Property | Value | Comment |
|---|---|---|
Coefficient of thermal expansion | 1.6e-05 - 2.3e-05 1/K | Typical for Cast 3xx.x Series Aluminium |
Melting point | 505.0 - 770.0 °C | Typical for Cast 3xx.x Series Aluminium |
Specific heat capacity | 960.0 - 963.0 J/(kg·K) | Typical for Cast 3xx.x Series Aluminium |
Thermal conductivity | 130.0 - 180.0 W/(m·K) | Typical for Cast 3xx.x Series Aluminium |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Copper | 0.05 | T6 | DIN 1725-2 |
Iron | 0.19 | T6 | DIN 1725-2 |
Magnesium | 0.25 - 0.45 % | T6 | DIN 1725-2 |
Manganese | 0.1 | T6 | DIN 1725-2 |
Silicon | 6.5 - 7.5 % | T6 | DIN 1725-2 |
Titanium | 0.08 - 0.25 % | T6 | DIN 1725-2 |
Zinc | 0.07 | T6 | DIN 1725-2 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | not recommended | |
| Corrosion properties | Good against water (class B) and see water (class X) | |
Metal
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