Aluminum Square Tube and Pipe Description
GNEE offer aluminum tubes in the 1000-7000 range. In addition to extruded seamless aluminum tubes, we can manufacture cold-drawn precision seamless aluminum tubes, welded tubes, and cold-rolled seamless aluminum tubes. The product shapes include round, square, rectangular, and oval.
Product Advantages:
✅ Lightweight, reducing installation and transportation costs
✅ High strength, suitable for structural applications
✅ Excellent corrosion resistance for long service life
✅ Easy to cut, weld, drill, and perform secondary processing
✅ Clean and smooth appearance, ideal for integrated decorative and structural designs
Applications of Aluminum Square Tube
Architectural Decoration: curtain wall frames, partitions, railings, ceiling structures
Industrial Manufacturing: equipment frames, automated production lines
Furniture Industry: aluminum furniture frames, display racks
Transportation: vehicle structural components, support frames
Electronics & New Energy: equipment supports, photovoltaic system structures
Seamless Aluminum Tubes
Seamless aluminum tubes are produced without any welded joints. They are manufactured from a single solid aluminum billet that is heated and extruded through a die to form the tube shape. This production method results in a smooth, uniform surface with no visible seams. Because there are no welds, seamless aluminum tubes offer excellent pressure resistance, making them ideal for applications involving high-pressure fluid or gas transmission. The absence of joints also enhances leak resistance and overall durability.
Seamless aluminum tubes can be manufactured in various shapes, including round, square, rectangular, and custom profiles. Due to their superior surface quality, mechanical strength, and corrosion resistance, they are widely used in piping systems, hydraulic cylinders, precision components, and heat exchangers.
In terms of cost, seamless aluminum tubes are generally more expensive than welded tubes, as their production requires more advanced and complex processes such as heating, extrusion, and drawing. GNEE, as a professional aluminum supplier, provides high-quality seamless aluminum tubes to meet demanding industrial and engineering requirements.
Welded Aluminum Tubes
Welded aluminum tubes are manufactured by joining two or more aluminum sheets or extrusions using welding methods such as TIG welding, MIG welding, or laser welding. Since these tubes are formed by welding separate aluminum components together, visible seams or joints are present. Welded aluminum tubes are also available in multiple shapes, including round, square, and rectangular profiles.
Welding is a more economical manufacturing process, which makes welded aluminum tubes more cost-effective compared to seamless tubes. However, the welded joints may have slight surface irregularities, and under high pressure, these areas can be more susceptible to leakage or structural failure.
Welded aluminum tubes are commonly used in applications such as fences, outdoor furniture, and automotive components. They are well suited for projects that require good strength and durability but do not demand high pressure resistance. GNEE supplies welded aluminum tubes in a wide range of specifications to support structural and decorative applications.
Aluminum Square Tube Specification Table
| Item | Specification Range | Description |
|---|---|---|
| Section Shape | Square / Rectangular | Square tube is standard, rectangular available on request |
| Side Length (mm) | 10×10 – 300×300 | Wide range of common sizes, custom sizes supported |
| Wall Thickness (mm) | 0.8 – 20.0 | From thin-wall to heavy-wall square tubes |
| Length (mm) | 3000 / 6000 / Custom cut | Fixed length cutting available with tight tolerance |
| Alloy Grade |
1060/1050/1100/2024/2014/2011/2219/2A11/2A12 /2A14/3003/3004/3005/3105/5052/5083/5086/5005/5251 /6061/6063/6082/6060/7075/7005/7050/7046 etc. |
Selected based on strength and service environment |
| Temper |
O/H14/H16/H18/H19/H24/H32/H34/H36/H38/H111/H112/H116/ H321/T3/T4/T5/T6/T64/T73/T76/T451/T651/T7351 |
T5 and T6 are most commonly used |
| Surface Treatment | Anodized / Powder Coated / Electrophoresis / Brushed / Wood Grain | Decorative and functional finishes available |
| Dimensional Tolerance | ±0.1 – ±0.5 mm | Depends on size and applicable standard |
| Straightness | ≤1/1000 | Suitable for architectural and industrial applications |
| Standards | ASTM / EN / GB | Multi-standard production supported |
Note: The above specifications represent standard production ranges. Special sizes, oversized sections, or high-precision requirements can be customized upon request.
About Us
Surface Treatment Options
To meet different aesthetic and durability requirements, aluminum square tubes can be supplied with various surface treatments:
Anodizing (silver, champagne, black, etc.)
Powder Coating
Electrophoretic Coating
Brushed Finish
Wood Grain Transfer
After surface treatment, aluminum square tubes offer improved wear resistance, weather resistance, and decorative appearance.
Quality & Standards
GNEE aluminum square tubes are manufactured in strict accordance with international and industry standards, including but not limited to:
ASTM
EN
GB / T
Available quality documents include:
Mill Test Certificate (MTC)
Dimensional and visual inspection reports
Third-party inspection reports (upon request)
Customization & Services
GNEE Aluminum offer:
Custom sizes and non-standard dimensions
Special alloy grades and tempers
Customized surface treatments
Value-added processing services (cutting, drilling, welding)
From material selection to final delivery, GNEE provides one-stop aluminum square tube solutions, helping customers reduce both procurement and processing costs.
Why Choose GNEE
18+Years of experience in aluminum supply and processing
Stable and reliable quality control system
Extensive inventory with fast delivery capability
Professional technical support and after-sales service
For aluminum square tube specifications, pricing, or technical assistance, please contact GNEE. Our team is ready to provide professional solutions for your projects.
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