Specific Weight of Aluminum and Aluminum Alloys in a Table
In production practice, many different structures are made using metals and metal-based alloys with special properties. A functional feature of the production process is the correct choice of the required metal or metal alloy. Designers pay attention to the following selection criteria:
- Strength
- Yield behavior
- Elasticity
- Stability of characteristics across a wide range of temperature conditions
It is equally important to calculate the required amount of metal for a specific structure or device. In common searches these values are often called the specific weight of aluminum, but values in g/cm³ and kg/m³ are technically density. The calculation uses the formula: ρ = m / V, where ρ is density, m is mass and V is volume.
Specific weight of aluminum alloys in a table
| Type of aluminum | Aluminum grade | Specific weight (g/cm³) |
| Primary aluminum | А5 | 2,71 |
| А85 | 2,71 | |
| А95 | 2,71 | |
| А97 | 2,71 | |
| А99 | 2,7 | |
| А999 | 2,7 | |
| Technical aluminum | АД1 | 2,71 |
| АД0 | 2,71 | |
| АД | 2,71 | |
| Casting aluminum | АЛ1 | 2,75 |
| АЛ2 | 2,65 | |
| АЛ3 | 2,7 | |
| АЛ4 | 2,65 | |
| АЛ5 | 2,65 | |
| АЛ7 | 2,68 | |
| АЛ8 | 2,55 | |
| АЛ9 | 2,66 | |
| АЛ19 | 2,78 | |
| АК5М7 | 2,85 | |
| ВАЛ10 | 2,8 | |
| Wrought aluminum alloy | 1420 | 2,47 |
| АВ | 2,7 | |
| АД31 | 2,71 | |
| АД33 | 2,71 | |
| АК4 | 2,77 | |
| АК4-1 | 2,8 | |
| АК6 | 2,75 | |
| АК8 | 2,8 | |
| АМг1 | 2,67 |
Volumetric weight of aluminum
The density of pure aluminum at room temperature is usually taken as about 2.70 g/cm³, or roughly 2700 kg/m³. Reference sources may give close values such as 2.698-2.71 g/cm³ depending on temperature, purity and rounding.
For practical calculations, the weight of aluminum in 1 m³ is used most often. The higher the alloy density, the greater the mass of a part with the same volume. Small variations in the table are caused by alloying elements and allowable batch deviations.
In industry, the following groups of aluminum-based alloys are the most common:
- Primary aluminum alloy.
- Technical aluminum alloy.
- Casting alloy.
- Aluminum alloy for deoxidation.
- Wrought aluminum alloy.
- Antifriction aluminum alloy.
Commonly used additives include magnesium, iron, manganese, zinc and silicon. Additives help improve the properties of the main element. Among the quality characteristics useful in the manufacture of various mechanisms and structures are:
- Strength
- Ductility
- Weldability
- Corrosion resistance
- Stress corrosion resistance
- Vibration resistance
- Resistance to temperature changes
- Slowing of natural aging
- Acceleration of artificial aging
Aluminum is a key component in many compounds of elements and greatly simplifies the production of many structures. Aluminum alloys and compounds are used in aircraft manufacturing, rocket engineering, defense and construction industries. Many parts of cars and railway cars are also made using aluminum structures.
Frequently Asked Questions
How much does 1 m³ of aluminum weigh?
1 m³ of pure aluminum weighs about 2700 kg. For a specific alloy, calculate mass from its density in the table or a reference source, because alloying elements change the value.
Why do aluminum alloys have different densities?
Density changes with alloy composition: magnesium, silicon, zinc, copper, iron and other additions affect mass at the same volume.
What does aluminum specific weight in g/cm³ mean?
In such tables, specific weight usually means density. A value in g/cm³ is easy to convert to kg/m³: 2.70 g/cm³ is about 2700 kg/m³.