1050 vs 1050A Aluminum Plate: Key Differences, Properties, and Applications
Choosing the right aluminum material can directly impact the performance, cost, and lifespan of your project. If you are comparing 1050 aluminum plate and 1050A aluminum plate, the similarities may look confusing at first. GNEE, a Chinese aluminum supplier, breaks down the real differences to help you select the best option. Contact GNEE today for expert guidance and competitive pricing.
What Is a 1050 Aluminum Plate?
1050 aluminum plate is a high-purity aluminum material with an aluminum content of approximately 99.5%. It belongs to the 1xxx series aluminum plate family, which is well known for excellent corrosion resistance and outstanding formability.
Due to its soft structure and high ductility, 1050 aluminum plate is ideal for applications requiring deep drawing, bending, and shaping. It also offers good weldability and electrical conductivity, making it suitable for electrical and industrial uses.
What Is a 1050A Aluminum Plate?
1050A aluminum plate is a closely related grade with a minimum aluminum content of 99.5%, defined more strictly under European standards. Compared with standard 1050 aluminum plate, 1050A aluminum plate offers slightly higher mechanical strength.
This improvement is achieved through tighter composition control and trace alloying elements. As a result, 1050A aluminum plate maintains excellent corrosion resistance and weldability while providing better strength and availability in more tempers.
Difference Between 1050 Aluminum Plate and 1050A Aluminum Plate
The primary distinction between 1050 aluminum plate and 1050A aluminum plate lies in strength and specification control.
- 1050A aluminum plate is slightly stronger than 1050 aluminum plate
- 1050A may contain trace elements that enhance strength
- 1050A aluminum plate is available in a wider range of tempers
- 1050 aluminum plate focuses more on maximum purity and corrosion resistance
Chemical Composition of 1050 vs 1050A Aluminum Plate
Table 1 – Chemical Composition (Typical Values)
| Element | 1050 Aluminum (%) | 1050A Aluminum (%) |
|---|---|---|
| Aluminum (Al) | ≥ 99.5 | ≥ 99.5 |
| Silicon (Si) | ≤ 0.25 | ≤ 0.25 |
| Iron (Fe) | ≤ 0.40 | ≤ 0.40 |
| Copper (Cu) | ≤ 0.05 | Trace (controlled) |
| Manganese (Mn) | ≤ 0.05 | ≤ 0.05 |
| Magnesium (Mg) | ≤ 0.05 | ≤ 0.05 |
| Zinc (Zn) | ≤ 0.07 | ≤ 0.07 |
| Titanium (Ti) | ≤ 0.05 | ≤ 0.05 |
Mechanical Properties of 1050 and 1050A Aluminum Plate
Table 2 – Typical Mechanical Properties
| Alloy | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| 1050 Aluminum Plate | O / H111 | 65–95 | ≥ 20 | ≥ 20 |
| 1050A Aluminum Plate | O / H111 | 70–100 | ≥ 25 | ≥ 20 |
| 1050 Aluminum Plate | H14 | 105–145 | ≥ 85 | ≥ 2 |
| 1050A Aluminum Plate | H14 | 110–150 | ≥ 90 | ≥ 2 |
Size Range of 1050 & 1050A Aluminum Plate
Table 3 – Standard Supply Dimensions
| Product Type | Thickness Range |
|---|---|
| Aluminum Sheet | 0.2 mm – 6 mm |
| Aluminum Plate | 6 mm – 500 mm |
| Width | Up to 2200 mm |
| Length | Customized cutting available |
Applications of 1050 and 1050A Aluminum Plate
Both grades are widely used due to their purity and corrosion resistance:
- Automotive components
- Electrical conductors and housings
- Architectural and decorative panels
- Industrial equipment
- Chemical processing applications
Similarities Between 1050 and 1050A Aluminum Plate
Despite their differences, these two aluminum plates share many common characteristics:
- Belong to the 1xxx series aluminum plate group
- Non-heat-treatable alloys
- Strength achieved through cold working
- Excellent corrosion resistance
- Soft, malleable, and easy to form
- Good weldability and brazing performance
Which Should You Choose: 1050 or 1050A Aluminum Plate?
If your project demands maximum purity and corrosion resistance, 1050 aluminum plate is an excellent choice. However, if you need slightly higher strength, better temper flexibility, and broader standard compliance, 1050A aluminum plate offers greater versatility.
The right selection ultimately depends on your mechanical requirements, forming needs, and applicable standards.
Choose GNEE for 1050 & 1050A Aluminum Plate Supply
GNEE, a professional Chinese aluminum supplier, provides high-quality 1050 and 1050A aluminum plates with full size ranges, multiple tempers, and customized processing services.
Contact GNEE today to receive technical support, detailed specifications, and competitive quotations for your aluminum plate project.





