EN 1706 Grade AC-21100 T6 Aluminium Casting Alloy – Properties & Specifications
Aluminium casting alloy (sand casting, permanent mould casting)
Properties
General
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
Density | 2.75 g/cm³ | T6 | EN 1706 | Casting | |
20.0 °C | 2.75 g/cm³ | T6 | EN 1706 |
Mechanical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
Bending Fatigue Strength | 80.0 - 110.0 MPa | T6 | EN 1706 | Casting | ||
Elastic modulus | 72.0 GPa | T6 | EN 1706 | Casting | ||
20.0 °C | 72.0 GPa | T6 | EN 1706 | |||
Hardness, Brinell | 95.0 [-] | T6 | EN 1706 | Casting | ||
20.0 °C | 95.0 [-] | T6 | EN 1706 | |||
Poisson's ratio | 0.33 [-] | Typical for Cast 2xx.x Series Aluminium | ||||
Tensile strength | 300.0 MPa | T6 | EN 1706 | Casting | ||
330.0 MPa | T6 | EN 1706 | Casting | |||
20.0 °C | 300.0 MPa | T6 | EN 1706 | |||
20.0 °C | 330.0 MPa | T6 | EN 1706 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.3e-05 1/K | T6 | EN 1706 | Casting |
100.0 °C | 2.3e-05 1/K | T6 | EN 1706 | Casting | |
100 °C | 2.3e-05 1/K | T6 | EN 1706 | Casting | |
Melting point | 540.0 - 640.0 °C | T6 | EN 1706 | Casting | |
Specific heat capacity | 900.0 J/(kg·K) | T6 | EN 1706 | Casting | |
20.0 °C | 900.0 J/(kg·K) | T6 | EN 1706 | ||
Thermal conductivity | 20.0 °C | 120.0 - 150.0 W/(m·K) | T6 | EN 1706 | Casting |
Electrical
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
Electrical conductivity | 20.0 °C | 16000000.0 - 23000000.0 S/m | T6 | EN 1706 | Casting |
Electrical resistivity | 4.35e-08 - 6.25e-08 Ω·m | T6 | EN 1706 | Casting |
Chemical properties
| Property | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|
Aluminium | 93.4 % | T6 | EN 1706 | |
Copper | 4.2 - 5.2 % | T6 | EN 1706 | Casting |
Iron | 0.19 % | T6 | EN 1706 | |
0.19 % | T6 | EN 1706 | Casting | |
Manganese | 0.55 % | T6 | EN 1706 | Casting |
Silicon | 0.18 % | T6 | EN 1706 | Casting |
Titanium | 0.15 - 0.3 % | T6 | EN 1706 | Casting |
Zinc | 0.07 % | T6 | EN 1706 | Casting |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | decorative: acceptable | |
| Corrosion properties | general: not sufficient | |
| General machinability | as cast: excellent | |
| Processing methods | permanent mould casting, separately cast test sample | |
Metal
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