EN 1706 AC-42000 T6 Aluminium Casting Alloy – High Performance
Aluminium casting alloy (sand casting, permanent mould casting, investment casting)
Properties
General
| Property | Value | Comment |
|---|---|---|
Density | 2.65 - 2.7 g/cm³ | Typical for Cast 3xx.x Series Aluminium |
Mechanical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
Bending Fatigue Strength | 80.0 - 110.0 MPa | T6 | EN 1706 | Casting | ||
Elastic modulus | 73.0 - 80.0 GPa | Typical for Cast 3xx.x Series Aluminium | ||||
Hardness, Brinell | 75.0 [-] | T6 | EN 1706 | Casting | ||
90.0 [-] | T6 | EN 1706 | Casting | |||
20.0 °C | 75.0 [-] | T6 | EN 1706 | |||
20.0 °C | 90.0 [-] | T6 | 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 | 240.0 MPa | T6 | EN 1706 | Casting | ||
260.0 MPa | T6 | EN 1706 | Casting | |||
20.0 °C | 220.0 MPa | T6 | EN 1706 | |||
20.0 °C | 240.0 MPa | T6 | EN 1706 | |||
20.0 °C | 260.0 MPa | T6 | EN 1706 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.2e-05 1/K | T6 | EN 1706 | Casting | |
100.0 °C | 2.2e-05 1/K | T6 | EN 1706 | Casting | ||
100 °C | 2.2e-05 1/K | T6 | EN 1706 | Casting | ||
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 | 20.0 °C | 150.0 - 170.0 W/(m·K) | T6 | EN 1706 | Casting |
Electrical
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
Electrical conductivity | 20.0 °C | 19000000.0 - 25000000.0 S/m | T6 | EN 1706 | Casting |
Electrical resistivity | 4e-08 - 5.26e-08 Ω·m | T6 | EN 1706 | Casting |
Chemical properties
| Property | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|
Aluminium | 89.9 % | T6 | EN 1706 | |
Copper | 0.2 % | T6 | EN 1706 | Casting |
Iron | 0.55 % | T6 | EN 1706 | |
0.55 % | T6 | EN 1706 | Casting | |
Lead | 0.15 % | T6 | EN 1706 | Casting |
Magnesium | 0.2 - 0.65 % | T6 | EN 1706 | Casting |
Manganese | 0.35 % | T6 | EN 1706 | Casting |
Nickel | 0.15 % | T6 | EN 1706 | Casting |
Silicon | 6.5 - 7.5 % | T6 | EN 1706 | Casting |
Tin | 0.05 % | T6 | EN 1706 | |
0.15 % | T6 | EN 1706 | Casting | |
Titanium | 0.05 - 0.2 % | T6 | EN 1706 | |
0.05 - 0.25 % | T6 | EN 1706 | Casting | |
Zinc | 0.15 % | T6 | EN 1706 | Casting |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: not sufficient | |
| Corrosion properties | general: good to acceptable | |
| General machinability | after thermal treatment: good to acceptable, as cast: good | |
| Processing methods | investment casting, separately cast test sample | |
Metal
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