The density of aluminum is about 2.70 g/cm3. The density of aluminum alloys does not vary widely from this figure, ranging between 2,640 kg/m3 and 2,810 kg/m3. Here are some density values for different aluminum alloys at room temperature:

• Aluminum Alloy 1100: 2.710 g/cm3
• Aluminum Alloy 2014: 2.800 g/cm3
• Aluminum Alloy 2024: 2.780 g/cm3
• Aluminum Alloy 3003: 2.730 g/cm3
• Aluminum Alloy 3004: 2.720 g/cm3
• Aluminum Alloy 3005: 2.730 g/cm3
• Aluminum Alloy 3105: 2.720 g/cm3
• Aluminum Alloy 4043: 2.690 g/cm3
• Aluminum Alloy 5005: 2.700 g/cm3
• Aluminum Alloy 5050: 2.690 g/cm3
• Aluminum Alloy 5052: 2.680 g/cm3
• Aluminum Alloy 5083: 2.660 g/cm3
• Aluminum Alloy 5086: 2.660 g/cm3
• Aluminum Alloy 5154: 2.660 g/cm3
• Aluminum Alloy 5183: 2.660 g/cm3
• Aluminum Alloy 5356: 2.640 g/cm3
• Aluminum Alloy 5454: 2.690 g/cm3
• Aluminum Alloy 5456: 2.660 g/cm3
• Aluminum Alloy 5554: 2.690 g/cm3
• Aluminum Alloy 5556: 2.660 g/cm3
• Aluminum Alloy 5654: 2.660 g/cm3
• Aluminum Alloy 6005: 2.700 g/cm3
• Aluminum Alloy 6061: 2.700 g/cm3
• Aluminum Alloy 6063: 2.700 g/cm3
• Aluminum Alloy 6066: 2.720 g/cm3
• Aluminum Alloy 6070: 2.710 g/cm3
• Aluminum Alloy 6105: 2.690 g/cm3
• Aluminum Alloy 6351: 2.710 g/cm3
• Aluminum Alloy 6463: 2.690 g/cm3
• Aluminum Alloy 7075: 2.810 g/cm3

It is important to note that the density of castings is about 95% to 100% of the theoretical density of the cast alloy due to porosity.