| Physical Properties | Metric | English | Comments |
|---|---|---|---|
Density |
2.68g/cc |
0.0968lb/in³ |
|
| Mechanical Properties | Metric | English | Comments |
Hardness, Brinell |
40.0 - 70.0 |
40.0 - 70.0 |
AA; Typical; 500 g load; 10 mm ball |
| Hardness, Knoop | 78 | 78 | Estimated from Brinell Hardness. |
| Tensile Strength, Ultimate | >= 131MPa | >= 19000psi | AA |
| Elongation at Break | >= 2.00 % | >= 2.00 % | AA; in 2 in. (50 mm) or 4D |
| Modulus of Elasticity | 72.4GPa | 10500ksi | In Tension; elastic modulus in compression is typically about 2% higher for aluminum alloys. |
| Poissons Ratio | 0.330 | 0.330 | |
| Machinability | 50 % | 50 % | 0-100 Scale (100=best) |
| Shear Modulus | 27.2GPa | 3950ksi | |
| Shear Strength | 83.0MPa | 12000psi | Calculated |
| Electrical Properties | Metric | English | Comments |
Electrical Resistivity |
0.00000400ohm-cm |
0.00000400ohm-cm |
|
| Thermal Properties | Metric | English | Comments |
Heat of Fusion |
389J/g |
167BTU/lb |
|
| 21.4µm/m-°C @Temperature 20.0 - 100 °C |
11.9µin/in-°F @Temperature 68.0 - 212 °F |
||
| 23.2µm/m-°C @Temperature 20.0 - 300 °C |
12.9µin/in-°F @Temperature 68.0 - 572 °F |
||
| Specific Heat Capacity | 0.963J/g-°C | 0.230BTU/lb-°F | |
| Thermal Conductivity | 167W/m-K | 1160BTU-in/hr-ft²-°F | |
| Melting Point | 557- 613°C | 1030- 1140°F | |
| Solidus | 557°C | 1030°F | |
| Liquidus | 613°C | 1140°F | |
| Processing Properties | Metric | English | Comments |
Melt Temperature |
677- 816°C |
1250- 1500°F |
|
| Solution Temperature | 535- 540.6°C | 995- 1005°F | hold at temperature for 12 hr; cool in water at 150 to 212°F |
| Casting Temperature | 677- 788°C | 1250- 1450°F | |
| Component Elements Properties | Metric | English | Comments |
Aluminum, Al |
90.1 - 93.3 % |
90.1 - 93.3 % |
As remainder |
| Copper, Cu | <= 0.25 % | <= 0.25 % | |
| Iron, Fe | <= 0.60 % | <= 0.60 % | |
| Magnesium, Mg | 0.20 - 0.45 % | 0.20 - 0.45 % | |
| Manganese, Mn | <= 0.35 % | <= 0.35 % | |
| Other, each | <= 0.050 % | <= 0.050 % | |
| Other, total | <= 0.15 % | <= 0.15 % | |
| Silicon, Si | 6.50 - 7.50 % | 6.50 - 7.50 % | |
| Titanium, Ti | <= 0.25 % | <= 0.25 % | |
| Zinc, Zn | <= 0.35 % | <= 0.35 % | |
Aluminum Alloy A356