2020 vs 8020 Aluminum Extrusions: Detailed Comparison
Aluminum extrusions are used in many industries because they are strong, lightweight, and easy to work with. Two common types are 2020 aluminum extrusion and 8020 aluminum extrusion.
If you are wondering which one to choose, this guide will help you know the differences, advantages, and uses between 2020 vs 8020 aluminum extrusions.
What is 2020 Aluminum Extrusion?
2020 aluminum extrusion is a lightweight, strong aluminum profile made using advanced extrusion technology. While “2020 aluminum extrusion” is not a standard aluminum grade, it is sometimes compared to 2024 aluminum, which contains a high amount of copper for added strength and durability.
Since 2024 aluminum is widely used in aerospace for its hardness and high strength, 2020 aluminum extrusion may have similar qualities.
Below, we discuss the key features of 2020 aluminum extrusion.
- Designed to be 20mm x 20mm.
- Includes a 6mm wide T-slot for easy attachment of accessories and modular assembly.
- Usually made from 6063-T5 aluminum alloy.
- Weighs about 0.65 kg per meter, so it is easy to carry and install.
Advantages of 2020 Aluminum Extrusion
The benefits of using 2020 aluminum extrusions are as follows:
- It holds up well under repeated stress, so it’s a good choice for parts that move or carry loads.
- 2020 aluminum extrusions are extremely strong and hard.
- Even though it’s strong, you can still cut and shape it easily using CNC machines.
- With treatments like anodizing, it can resist rust and corrosion even better.
Disadvantages of 2020 Aluminum Extrusion
2020 aluminum has some drawbacks that you also need to know, and here they are:
- Because of the materials used and the advanced processing needed, it costs more than some other aluminum types.
- You need to carefully control heating and cooling to get the best strength and performance.
- It can crack or weaken when welded, so you need special techniques and equipment.
Applications of 2020 Aluminum Extrusion
2020 aluminum is used in different applications, such as the following:
Military Equipment: Found in tank armor, missile parts, and other strong, impact-resistant components.
Aeroespacial: Used to make important airplane parts like the body, wings, and landing gear.
High-performance Cars: Used in race cars and sports cars for engine blocks, suspension systems, and other key parts.
What is 8020 Aluminum Extrusion?
8020 aluminum extrusion is a type of aluminum alloy used in various industries, though it doesn’t have a standardized classification like 6061 or 7075. It is created through an extrusion process, forming profiles with specific sizes and cross-sections. These profiles are commonly used in CNC machining and structural applications.
Different manufacturers may use slightly different compositions, but it usually contains elements like cobre, manganese, magnésio, and zinc. These materials help improve strength, resistance to corrosion, and ease of machining.
Here are the key features of 8020 aluminum extrusion:
- Available in multiple sizes, such as 25x25mm or 40x40mm, to fit different design needs.
- Includes a built-in T-slot, usually 8mm or larger, for easy assembly.
- Typically made from 6105-T5 or 6061-T6 aluminum alloy.
Advantages of 8020 Aluminum Extrusion
8020 aluminum extrusion has many benefits, such as the following:
- You can easily cut, drill, shape 8020 aluminum extrusion, that’s why it’s great for CNC machining and for creating precise, complex parts.
- It weighs less than metals like steel or copper, so it’s perfect for projects where keeping things light is important.
- It is stronger than pure aluminum because of the added alloying elements. It’s ideal for structural parts that need to support weight.
- Like most aluminum alloys, it holds up well in different environments without rusting, or breaking down easily.
Disadvantages of 8020 Aluminum Extrusion
While 8020 aluminum extrusion offers advantages, it has some disadvantages too, which are discussed below.
- It doesn’t handle high temperatures well because aluminum conducts heat easily, so it can lose shape or stability.
- The price of 8020 aluminum extrusion can change based on market demand and production costs, so it may not always be the most budget-friendly option.
- Even though it’s strong, it’s not as hard as some other aluminum alloys. It is less ideal for parts that face a lot of wear or heavy impacts.
Applications of 8020 Aluminum Extrusion
As mentioned earlier, 8020 aluminum extrusion is used in various industries. Some of the common applications are the following:
Car Manufacturing: Used to make structural parts, engine brackets, and suspension systems.
Eletrónica: Works as heat sinks, protective housings, and internal support parts.
Machines & Equipment: Great for making machine parts that need to be strong and resistant to rust.
Detailed Comparison Between 2020 vs 8020 Aluminum Extrusions
The table below is a detailed comparison of 2020 vs 8020 aluminum extrusion, so you can understand their differences better.
| 2020 Aluminum Extrusions | 8020 Aluminum Extrusions | |
| Cross-sectional Dimensions | 20 x 20 mm | 80 x 20 mm (the common size but exact dimensions may vary by product) |
| Material | 6063-T5 Aluminum Alloy | 6105-T5 or 6061-T6 aluminum alloy |
| Peso | 0.5 kg/m² (common) | Usually heavier, but depending on the specific product |
| Appearance | Similar to 1515 profile but with different dimensions | Long strips with larger widths for specific applications |
| Resistência à tração | ~ 214 Mpa | ~ 241 Mpa |
| Resistência ao escoamento | ~ 152 Mpa | ~ 214 Mpa |
| T-slot Design | Four T-slots (one on each side); designed for lightweight parts and assemblies | T-slots can be arranged in series (e.g. four, six, or more); supports more complex and modular assemblies |
| Maquinabilidade | Good (requires higher cutting forces and more wear-resistant tools) | Good (with moderate cutting forces and low tool wear) |
| Acabamento da superfície | Available in anodized or polished finishes; anodizing improves corrosion resistance and appearance | Available in anodized or powder-coated finishes; powder coating adds color options and extra surface protection |
| Custos | Typically higher | Baixa |
| Application Areas | Automation equipment, small frames, machinery and equipment, etc. | Production lines, assembly lines, large industrial equipment, heavy frame structures, etc. |
| Customizability | Typically customizable to fit specific requirements | Customizable, with variations in size and design complexity. |
When to Choose 2020 vs 8020 Aluminum Extrusions
When choosing between 8020 aluminum extrusions and 2020 aluminum extrusions, you need to think about what you will use them for. Each type has different strengths and works best for different applications.
If you need a material that is strong, resistant to corrosion, and easy to machine, 8020 aluminum extrusions might be the right choice. They are good for general projects, Maquinação CNC, and structures that don’t need to handle heavy loads.
On the other hand, if you need something that can handle extreme pressure, has high strength, and lasts a long time, 2020 aluminum extrusions are a better option. They can definitely withstand tough conditions.
Think about what you need for your project, and choose the aluminum extrusion that best fits your requirements.
Conclusão
To summarize, 2020 aluminum is lightweight and strong, while 8020 is versatile and customizable. Choose the one that best fits your project, budget, and needs.
If you need precision-cut, durable aluminum extrusions for your project, contact DEK. We offer high-quality 2020 and 8020 aluminum extrusions tailored to your needs.
FAQs
What is the strongest aluminum profile?
The strongest aluminum profiles are made from 7-series alloys, like 7075 aluminum. It is strong, hard, and wear-resistant. However, the best aluminum depends on your needs, as different projects require different strengths.
How to choose the right aluminum for CNC machining?
To choose the right aluminum, think about where and how the part will be used. Consider strength, corrosion resistance, machinability, and cost. If you’re unsure, ask a CNC machining expert for advice based on your needs.
2020 vs 8020 aluminum extrusions, which is better?
2020 aluminum extrusion is best for small projects like 3D printers. 8020 aluminum extrusion is better for heavy-duty structures and industrial use.
