Aluminum Alloy 1050 (UNS A91050)
Aluminum 1050 is a commercially pure aluminum alloy that contains 99.5% aluminum. It is one of the most commonly used grades of aluminum due to its excellent corrosion resistance, high thermal conductivity, and good formability.
Looking to buy aluminum?
Check pricing and availability through our trusted partner:
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Aluminum | 99.5% | —— |
| Copper | —— | 0.05% |
| Iron | —— | 0.40% |
| Magnesium | —— | 0.05% |
| Manganese | —— | 0.05% |
| Silicon | —— | 0.25% |
| Titanium | —— | 0.03% |
| Vanadium | —— | 0.05% |
| Zinc | —— | 0.05% |
The following table provides a list of aluminum 1050 properties in both SI and US customary/Imperial units.
Click on the button to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 2700 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength | 105 - 145 MPa |
| Yield Strength | 80 - 130 MPa |
| Young’s Modulus (E) | 70 - 80 GPa |
| Shear Modulus (G) | 25 GPa |
| Elongation at Break | 12% |
| Poisson’s Ratio (ν) | 0.33 |
| Brinell Hardness | 34 HB |
| Thermal Properties | Metric |
| Melting Point | 645 - 655 °C |
| Thermal Conductivity | 230 W/m·K |
| Specific Heat Capacity (Cp) | 900 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 2.35×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 3.56×107 S/m |
| Electrical Resistivity | 2.8×10-8 Ω·m |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Aluminum 1050
| Advantages | Disadvantages |
|---|---|
| Excellent conductivity | Softness |
| Lightweight | Low melting point |
| Corrosion resistance | Limited weldability |
| Good formability | Surface imperfections |
Applications of Aluminum 1050
Aluminum 1050 is widely used in industries requiring lightweight, corrosion-resistant, and highly conductive materials, including:
- Electrical transmission lines: The high electrical conductivity makes it ideal for use in electrical transmission lines and other electrical applications.
- Heat sinks and heat exchangers: Excellent thermal conductivity and low density make it a good choice for use in heat sinks and heat exchangers.
- Cooking utensils and food packaging: As a food-grade material, it is safe for use in cooking utensils and food packaging applications.
- Reflective mirrors: High reflectivity makes it a good choice for use in reflective mirrors.
- Chemical processing equipment: Corrosion resistance makes it suitable for use in chemical processing equipment.
- Roofing and siding: Its lightweight, durability, and corrosion resistance make it useful for roofing and siding applications.
- Signage: Ease of fabrication, durability, and lightweight properties make it ideal for signage.