You Need to Know About Aluminum Tube fabrication

Custom metal welded staircases

Table of Contents

In the modern industrial system, aluminum has become a key rawmaterial in aerospace, industrial construction, automobile manufacturing, electronic equipment and other fields by virtue of its light weight, corrosion resistance and excellent thermal conductivity, however, this raw material must be uniquely and professionally processed in order to become the functional products you need.

Next, the article will focus on the analysis of aluminum tube fabrication, firstly to clarify its basic definition, then analyze the commonly used processes and types of aluminum alloys in the production process, and finally list the main application scenarios of aluminum tubes, to help you quickly understand the relevant knowledge of aluminum tube fabrication.

What is aluminum tube fabrication?

Aluminum tube fabrication is an operational process whereby the shape and formation of the original aluminum tube is altered to create specific functional components or end products for different applications.

This process enables industries such as automotive manufacturing, aerospace, and industrial construction to obtain lightweight yet structurally sound components.

Specialized equipment and techniques are utilized in the manufacturing process for aluminum tube fabrication, and common processing methods include:

  • Cutting: Aluminum tubes are cut to the exact size required.
  • Bending: Using a tube bender to bend the aluminum tube into an arc or shape at a specific angle.
  • Welding: joining multiple sections of aluminum tube or other components together securely.
  • Punching/Drilling: Machining holes in the wall of the tube for mounting screws, wiring, etc.
  • Finishing: Applying a surface treatment, such as anodizing, sandblasting, painting, or polishing, to a finished product to enhance its corrosion resistance, aesthetics, or feel.
Rapid Prototype Turnaround

Committed to exceeding expectations for quality and rapid turnaround, and meeting high-quality sheet metal parts.

On-Demand Sheet Metal

Whether it is rapid prototyping & large-volume manufacturing, we will implement it according to customer needs and standards.

Real Fabricators Price

Integrate product design, bending, stamping, cutting, surface treatment, etc. to provide a series of manufacturing solutions.

aluminum tube fabrication process

Cutting

This is the first step in the aluminum tube fabrication process to cut long aluminum tubes to the desired size. This basic method of aluminum tube fabrication is used in almost all industries, from engineering and construction to industrial manufacturing.

Laser cutting: Utilizing a high-energy laser beam, the cuts are extremely smooth and precise, allowing for complex shapes to be cut without tool wear.

Turning and milling: mainly used in CNC technology, can realize high-precision end face processing, chamfering and specific contour cutting.

 

Bending

Custom bent aluminum tubing is used to change the direction of the axis of the aluminum tube, which is the key to produce complex spatial structures. It is mainly used in automotive manufacturing and aerospace components because it allows the production of aluminum tubes with a specific bending radius.

It involves a variety of bending techniques, including:

Winding bending: the use of tube bending machine, through the mold, clamping block and compression die, the synergistic effect of bending, this is the most commonly used, the highest precision method for complex, multi-bending structure of the parts.

Roll bending: through the three driving rollers to make aluminum tube to produce a continuous, large radius arc, commonly used in the production of large radius bends or ring-shaped parts.

Pressure bending: the use of molds in the press to bend the material, usually used to produce simple, angular bending.

Welding

Welding is used to securely join multiple sections of aluminium tube or other components together.

TIG Welding: Welding is performed using a non-consumable tungsten electrode and inert gas. It provides the best quality, cleanest weld, is aesthetically pleasing and strong, and is the preferred method of aluminum tube fabrication, especially for products with high cosmetic requirements.

MIG Welding: Uses an automatically fed wire as the electrode to weld. Its welding speed is faster and more efficient, and is more suitable for welding long weld seams in medium and thick-walled aluminum tubes.

Friction Stir Welding: A solid-state welding technique, in which heat is generated by friction between the high-speed rotating stirring head and the workpiece to plasticize and join the materials. The advantages are no welding defects and small deformation.

Stamping and drilling

This type of aluminum tube fabrication method utilizes hydraulic presses and other mechanical tools to perforate the material. It is mainly used to produce aluminum components for applications such as filtration systems and decorative tubes.

Punching: The use of dies and punches to quickly punch holes in the tube wall is extremely efficient and suitable for mass production.

Drilling/Milling: Using CNC technology, holes, slots or flat surfaces can be machined with high precision and accurate position and size control.

Finishing

After all molding and joining processes have been completed, finishing can enhance the product's appearance, durability, and functionality.

Anodizing: This custom aluminum tubing fabrication method produces a dense, hard oxide film on the surface of the aluminum tube through electrolysis. This film greatly enhances corrosion and abrasion resistance, and is available in a variety of colors for both aesthetic and functionality.

Sandblasting/Brushing: Eliminates scratches and provides a uniform matte or satin finish.

Spraying: mainly including powder coating and spray painting, which can provide a richer choice of colors and special surface textures, such as frosted, wrinkled, etc., and is also extremely protective.

In conclusion, the specific methods of aluminium tube fabrication depend on the complexity of product design, performance requirements, production volume and other factors. In actual production, these methods are often used in flexible combinations to ensure that the final product meets the expected demands.

Precision aluminum alloy extrusion parts manufacturer in China

No design files? Let Supro MFG do it for you.

We often come across clients who have no professional design drawings and documentation, only a creative idea, which leads to the project being at a standstill.

If you are in this situation, then contact our team of experts.

Supro MFG, as an industry-leading custom metal fabricator, has an ever-experienced team of engineers who utilize their extensive fabrication experience and technical expertise to build your idea into a real product and create design files such as STEP/STP/SLDPRT/DXF/PDF/PRT/DWG/AI.

That’s what makes SUPRO MFG so great, and 2,000 corporate, entrepreneurial, artist, and other purchasers from around the world enjoy working with us and benefiting from our one-stop manufacturing services.

Precision aluminum extrusion parts manufacturer in China

Aluminum tube fabrication commonly used alloys

In aluminum tube fabrication, the selection of aluminum alloys is very important. Different aluminum alloys have unique properties, which directly determine the mechanical properties, corrosion resistance, machinability, and application scenarios of the final product. The following are some of the most commonly used aluminum alloy series in custom aluminum tubing fabrication:

3003 aliminum alloy

 It is one of the most widely used general purpose aluminum alloys. It is based on pure aluminum (1100) with manganese added, its strength is about 20% higher than pure aluminum, with excellent corrosion resistance, good formability and weldability. It is commonly used for structural components, kitchenware, heat exchangers, chemical equipment, and decorative tubing that do not require high strength.

5052 aliminum alloy

Its main alloying element is magnesium, medium strength, excellent corrosion resistance, weldability and formability, high fatigue strength, and beautiful surface. 5052 is widely used in ships, automobile manufacturing, fuel tanks, electronic housings, and architectural decorations where good corrosion resistance is required.

6061 aliminum alloy

Its a heat-treated corrosion-resistant alloy containing magnesium and silicon elements, and can be heat-treated to high strength by T6. It has good overall performance, including high strength, excellent corrosion resistance, excellent weldability, and good machinability.6061 is mainly used for high-strength, high-hardness structural parts, such as aircraft and aerospace structural parts, bicycle frames, automobile manufacturing, ship structure, etc.

6063 aliminum alloy

Its also a heat-treated corrosion-resistant alloy that contains magnesium and silicon, but in different proportions than 6061. Its extrusion performance is excellent, and it can produce thin-walled tubes with complex shapes and smooth surfaces. Its strength is slightly lower than that of 6061, but its corrosion resistance and anodizing effect are excellent. It is mainly used for building doors and windows, curtain wall frames, furniture, guardrails and other fields with high requirements for surface treatment and appearance.

2024 aliminum alloy

Its also a heat-treated corrosion-resistant alloy that contains magnesium and silicon, but in different proportions than 6061. Its extrusion performance is excellent, and it can produce thin-walled tubes with complex shapes and smooth surfaces. Its strength is slightly lower than that of 6061, but its corrosion resistance and anodizing effect are excellent. It is mainly used for building doors and windows, curtain wall frames, furniture, guardrails and other fields with high requirements for surface treatment and appearance.

aluminum tube fabrication

In short, when you need excellent corrosion resistance and molding properties, 5052 or 3003 is preferred in aluminum tube fabrication; when you need high-strength structural parts and require good overall performance, 6061 is preferred; when you use it for architectural decoration, and require aesthetics and excellent anodic oxidation, 6063 is preferred; when used in aerospace, 2024 is the choice. Understanding the properties of these alloys is the key to aluminum tube fabrication and ensuring a reliable and durable product.

Are you looking for reliable & cost-effective
China Sheet Metal Fabricators

More than 150,000 OEM metal fabrication products delivered to 5,000+ global buyers.

And benefit from it!

Common applications of aluminum tube fabrication

With its light weight, high strength, corrosion resistance, easy processing and excellent thermal and electrical conductivity, aluminum tube has become an indispensable basic material in modern industry. Common aluminum tube fabrication scenarios are:

Aerospace

Pipes for aircraft hydraulic systems, fuel systems, air conditioning systems, and structural support parts inside the fuselage, often using high strength aluminum alloys, such as 6061, 2024, in order to withstand extremely high pressure and fatigue loads.

Automotive manufacturing

for engine cooling systems, air conditioning piping, chassis structural components, bumper crash beams, and battery pack cooling tubes for new energy vehicles.

Building and structure

structural frames for door and window curtain walls, modern office furniture, tables and chairs, as well as construction site supports, guardrails, handrails, and roof canopies for large commercial buildings.

Industrial equipment

piping for hydraulic and pneumatic systems, structural frames for various mechanical equipment, industrial cooling devices, etc.

Consumer electronics

some brackets for high-end audio, tripods for cameras, etc.

Get An Instant Quote Now!

aluminum tube fabrication transforms simple tubing into key components in a variety of industries in many ways and is ubiquitous in our lives. If you need custom aluminum tubing fabrication, contact us today!

At Supro, we are a one-stop shop for custom aluminum tubing fabrication, helping you not only choose the right aluminum material for your project, but also deliver the parts you need efficiently. We are ISO9001 and TS16949 certified and can provide you with expert technical guidance and comprehensive fabrication solutions, whether you need precision-engineered aluminum components, aluminum enclosures, standard aluminum profiles, or custom aluminum prototypes!

Provide the most cost-effective cost solution for manufacturing and assembling products, expanding product competitiveness.

a technical team specializing in custom shell manufacturing for more than 30 years.
Advanced Manufacturing Equipment: Industry-leading custom metal enclosure manufacturer with in-house sheet metal, die casting, precision machining workshops, and surface coating workshops.

ISO 9001-2015, PPAP III level, RoHS, NEMA, CE and other certified production standards.
24H*7 online English technical support: The professional English team responds quickly to users’ technical questions online at any time.

help users from product design, prototype, batch manufacturing, surface treatment, assembly and packaging, transportation and a series of value-added services.

With in-house mechanics and chemistry laboratories, it can quickly monitor manufacturing process quality control to ensure the delivery of high-quality products.

Accept to sign NDA documents to ensure that customers’ product information is protected.

Door-to-door delivery in customizable secure packaging after complying with the delivery details agreed with the customer.

Looking for a reliable manufacturer?

Start next project in Supro MFG?

滚动至顶部