AA 3003 Aluminum Alloy – Grade H25: Superior Corrosion Resistance & Weldability
Aluminum AA 3003 is a popular alloy that offers customers very good atmospheric corrosion resistance and moderate strength. Aluminum 3003 offers good machinability for aluminum alloys, though it is not heat treatable. Unlike other aluminum alloys, AA 3003 is weldable by conventional welding methods. It also takes cold and hot working well and has generally better mechanical properties when compared to 1000 series aluminum alloys.
Properties
General
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Density | 2.73 g/cm³ | H25 | AA Standards, ASTM B234 |
Mechanical
| Property | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|
Elastic modulus | 69.0 GPa | H25 | AA Standards, ASTM B234 | |
Plane-Strain Fracture Toughnes | 22.0 - 35.0 MPa·√m | Typical for Wrought 3000 Series Aluminium | ||
Poisson's ratio | 0.33 [-] | Typical for Wrought 3000 Series Aluminium | ||
Shear modulus | 25.0 - 26.0 GPa | Typical for Wrought 3000 Series Aluminium | ||
Tensile strength | 150.0 MPa | H25 | AA Standards, ASTM B234 |
Thermal
| Property | Temperature | Value | Condition | Related Standards | Comment |
|---|---|---|---|---|---|
Coefficient of thermal expansion | 20 °C | 2.3199999999999998e-05 1/K | H25 | AA Standards, ASTM B234 | |
100 °C | 2.3199999999999998e-05 1/K | H25 | AA Standards, ASTM B234 | ||
Melting point | 640.0 - 655.0 °C | H25 | AA Standards, ASTM B234 | ||
Specific heat capacity | 893.0 - 920.0 J/(kg·K) | Typical for Wrought 3000 Series Aluminium | |||
Thermal conductivity | 159.0 - 193.0 W/(m·K) | H25 | AA Standards, ASTM B234 |
Electrical
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Electrical conductivity | 24000000.0 - 29000000.0 S/m | H25 | AA Standards, ASTM B234 |
Electrical resistivity | 3.45e-08 - 4.17e-08 Ω·m | H25 | AA Standards, ASTM B234 |
Chemical properties
| Property | Value | Condition | Related Standards |
|---|---|---|---|
Copper | 0.05 - 0.2 % | H25 | AA Standards, ASTM B234 |
Iron | 0.70 % | H25 | AA Standards, ASTM B234 |
Manganese | 1.0 - 1.5 % | H25 | AA Standards, ASTM B234 |
Silicon | 0.6 % | H25 | AA Standards, ASTM B234 |
Zinc | 0.1 % | H25 | AA Standards, ASTM B234 |
Technological properties
| Property | ||
|---|---|---|
| Brazing | general: possible with commercial processes and methods | |
| Corrosion properties | Stress corrosion cracking: no damage during operation and laboratory tests, general: very good, without protection in industrial or seawater atmosphere | |
| General machinability | General: not suitable (O, H12), poor (H14, H16, H25) | |
| Workability | general (condition): good (O, H12), acceptable (H14, H25), poor(H16, H18) | |
Metal
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