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Aluminum round tubes are rolled by welding aluminum alloy plates. Aluminum welded round tubes have the advantages of high specific strength, corrosion resistance, light weight, good processing and welding properties. They are the most common type of aluminum alloy raw material used in furniture, precision machinery, radiators/heat exchangers, gas pipelines and decorative components.
Aluminum round tubes are lightweight, durable, and corrosion-resistant materials widely used in structural, industrial, and decorative applications. Made from high-quality alloys such as 6061, 6063, 5052, and 3003, these tubes offer excellent strength-to-weight ratios and good machinability. They are available in extruded, seamless, and welded forms, with common tempers like T5, T6, and H32 to meet various mechanical requirements. Typical outer diameters range from 6 mm to 100 mm, with wall thicknesses from 0.5 mm to 12.7 mm. Surface finishes include mill finish, anodized, polished, or brushed, providing both functional and aesthetic options. Aluminum round tubes conform to ASTM B241, EN 755, and related international standards, ensuring reliable performance in construction, transportation, marine, and machinery applications.
| Product Name | Aluminum Round Tube |
| Alloy Grades | 6061, 6063, 5052, 5083, 3003, 2024 |
| Temper | T5, T6, T6511, H32, H34, H111 |
| Standard | EN AW-6061 / EN AW-6063 / EN AW-5052 / EN AW-5083 |
| Surface Finish | Mill Finish, Anodized, Polished, Brushed, Chromate Conversion Coated, Powder Coated |
| Process | Extruded, Seamless, Cold Drawn, Welded |
| OD | 6 mm – 406 mm (0.25″ – 16″) |
| Wall Thickness | 0.5 mm – 12.7 mm (custom available up to 63.5 mm) |
| Length | Standard 1 m / 2 m / 6 m, or customized cut-to-length |
| Standards | ASTM B241 / B210 / B429 / EN 573 / EN 755 / GB/T 6893 |
| Key Features | Lightweight, high strength-to-weight ratio, excellent corrosion resistance, good machinability, and weldability |
| Applications | Structural frames, machinery parts, furniture, building and decoration, transportation, marine fittings, heat exchangers, and pipelines |
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| No. | Alloy | Temper | OD (mm) | Wall Thickness (mm) | Length (mm) | Surface Finish | Process | Standard |
|---|---|---|---|---|---|---|---|---|
| 1 | 6061 | T6 | 25.4 | 1.5 | 6000 | Mill Finish | Extruded | ASTM B241 |
| 2 | 6063 | T5 | 38.1 | 2.0 | 6000 | Anodized | Extruded | EN 755 |
| 3 | 5052 | H32 | 50.8 | 3.0 | 6000 | Mill Finish | Seamless | ASTM B210 |
| 4 | 6061 | T6511 | 76.2 | 4.0 | 6000 | Polished | Extruded | ASTM B241 |
| 5 | 3003 | H14 | 19.0 | 1.0 | 6000 | Mill Finish | Welded | GB/T 6893 |
| 6 | 5083 | H111 | 60.0 | 5.0 | 6000 | Mill Finish | Seamless | EN 573 |
| 7 | 6063 | T6 | 32.0 | 1.5 | 6000 | Brushed | Extruded | EN 755 |
| 8 | 6061 | T6 | 101.6 | 6.0 | 6000 | Mill Finish | Extruded | ASTM B241 |
| 9 | 2024 | T3 | 40.0 | 2.5 | 3000 | Mill Finish | Drawn | ASTM B210 |
| 10 | 5052 | H34 | 80.0 | 4.0 | 6000 | Anodized | Welded | ASTM B429 |
Aluminum round tubes are widely used across various industries due to their light weight, corrosion resistance, and high strength-to-weight ratio. They serve as structural and functional components in construction, transportation, marine, and industrial applications. In construction, aluminum tubes are used for frameworks, railings, handrails, curtain wall supports, and decorative elements. In the automotive and aerospace industries, they are applied in chassis, tubing systems, and lightweight structural parts. The marine sector uses 5052 and 5083 aluminum tubes for ship fittings and offshore structures because of their excellent resistance to seawater. Additionally, they are commonly used in machinery, furniture, heat exchangers, pipelines, and HVAC systems, offering durability and good weldability for both mechanical and decorative purposes.
Aluminum round tubes combine light weight, strength, and excellent corrosion resistance, making them ideal for both structural and decorative applications. They offer a high strength-to-weight ratio, providing rigidity while keeping overall weight low. The tubes feature good machinability and weldability, allowing easy fabrication and assembly. Their smooth surface finish supports further treatments such as anodizing, polishing, or powder coating for improved appearance and protection. Aluminum round tubes also demonstrate excellent resistance to weathering, oxidation, and seawater, especially in 5xxx and 6xxx series alloys. Available in extruded, seamless, or welded forms, they meet standards like ASTM B241 and EN 755, ensuring consistent dimensional accuracy and mechanical performance. Overall, aluminum round tubes are versatile, durable, and suitable for long-term use in demanding environments.
