DIN 1725-2 Grade 3.3261 F – High-Performance Al‑Mg‑Si Alloy for Automotive, Aerospace & Industrial Applications
The alloy G-AlMg5Si is good castable and poses excellent weather and corrosion resistance. It is especially applicable for difficult castings with higher demands on impact strength and surface quality. It is also excellent polishable. Application: ship, automotive and aircraft construction, decorative castings, chemical and fodd industry, fittings and claddings
Properties
General
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Density | 2.6 g/cm³ | F | EN 1706 | |
20.0 °C | 2.6 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 | 69.0 GPa | F | EN 1706 | ||
20.0 °C | 69.0 GPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
Elongation | -196.0 °C | 2.9 % | F | DIN 1725-2, EN 1676, EN 1706 | |
-196.0 °C | 3.3 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
-120.0 °C | 2.6 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
-120.0 °C | 3.9 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
-50.0 °C | 3.4 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
-50.0 °C | 4.3 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
3.0 % | F | EN 1706 | A50 | ||
20.0 °C | 1.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 2.0 - 5.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 2.0 - 4.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 3.0 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 3.8 % | F | DIN 1725-2, EN 1676, EN 1706 | ||
Hardness, Brinell | 60.0 [-] | F | EN 1706 | ||
65.0 [-] | F | EN 1706 | |||
20.0 °C | 55.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 60.0 [-] | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 60.0 - 75.0 [-] | 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 5xx.x Series Aluminium | |||
Shear strength | 20.0 °C | 138.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | |
20.0 °C | 150.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
Tensile strength | -196.0 °C | 198.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | |
-196.0 °C | 219.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
-120.0 °C | 175.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
-120.0 °C | 203.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
-50.0 °C | 172.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
-50.0 °C | 187.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
160.0 MPa | F | EN 1706 | |||
180.0 MPa | F | EN 1706 | |||
20.0 °C | 140.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 150.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 | ||
20.0 °C | 157.0 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 | ||
20.0 °C | 184.0 MPa | F | DIN 1725-2, EN 1676, EN 1706 |
Thermal
| Property | Temperature | Value | Condition | Related Standards |
|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.4e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 |
100 °C | 2.4e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
200.0 °C | 2.4e-05 1/K | F | DIN 1725-2, EN 1676, EN 1706 | |
Melting point | 550.0 - 630.0 °C | F | EN 1706 | |
Specific heat capacity | 930.0 J/(kg·K) | F | EN 1706 | |
20.0 °C | 930.0 J/(kg·K) | F | DIN 1725-2, EN 1676, EN 1706 | |
Thermal conductivity | 110.0 - 140.0 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 | 15000000.0 - 21000000.0 S/m | F | EN 1706 | |
20.0 °C | 15000000.0 - 19000000.0 S/m | F | DIN 1725-2, EN 1676, EN 1706 | |
Electrical resistivity | 4.76e-08 - 6.67e-08 Ω·m | F | EN 1706 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Aluminium | 91.6 % | F | DIN 1725-2, EN 1676, EN 1706 |
Copper | 0.05 % | F | DIN 1725-2, EN 1676, EN 1706 |
Iron | 0.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
0.50 % | F | EN 1706 | |
Magnesium | 4.5 - 5.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Manganese | 0.001 - 0.4 % | F | DIN 1725-2, EN 1676, EN 1706 |
Silicon | 0.9 - 1.5 % | F | DIN 1725-2, EN 1676, EN 1706 |
Titanium | 0.001 - 0.2 % | F | DIN 1725-2, EN 1676, EN 1706 |
Zinc | 0.1 % | F | DIN 1725-2, EN 1676, EN 1706 |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: good | |
| Corrosion properties | general: excellent | |
| General machinability | after thermal treatment: excellent | |
| Processing methods | permanent mould casting | |
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