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Aluminum Round Pipe

Wholesale Aluminum Round Pipes & Tubes (Seamless & Extruded)

 

High-precision aluminum piping (6061, 6063, 7075, 5083) for structural, aerospace, and marine applications. ASTM compliant. Custom OD, Wall Thickness & Cut-to-length services.

ASTM B210 / B241

Free EN10204 3.1 MTC

Standard Wooden Case Packing

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 Different Series Of Aluminum Round Tubes in Stock

 

Model Aluminum Round Tube/Pipe
Material Grade 1000 series: 1050, 1060, 1070, 1100, etc.
2000 series: 2024, etc.
3000 series: 3003, 3105, etc.
5000 series: 5052, 5083, 5754, etc.
6000 series: 6061, 6063, 6082, etc.
7000 series: 7075, etc.
Size Outer Diameter: 3-250mm
Wall Thickness: 0.3-50mm
Length: 10mm-6000mm
Customizable
Surface treatment Anodizing, Electrophoresis Coating, Powder Coating, Sandblasting/Polishing, Brushing, Electroplating/Chemical Oxidation
Dimensional processing Cutting, Punching/Slotting, Bending, Welding, CNC Machining, Assembly
Surface colors Nature, Silver, Bronze, Champagne, Black, Golden, etc.
Status O, H, T5, T6, etc.
Usage Aluminum windows, doors, decorations, buildings, curtain walls, etc.
Certificate ISO 9001

 

Chemical Properties of Aluminum Round Tube

 

Alloy Si Fe Cu Mn Mg Cr Zn Ti Al
1050 ≤0.25 ≤0.40 ≤0.05 ≤0.05 ≤0.05 - ≤0.05 ≤0.03 ≥99.50
1060 ≤0.25 ≤0.35 ≤0.05 ≤0.03 ≤0.03 - ≤0.05 ≤0.03 ≥99.60
1070 ≤0.20 ≤0.25 ≤0.04 ≤0.03 ≤0.03 - ≤0.04 ≤0.03 ≥99.70
1100 Si + Fe ≤ 0.95 - 0.05–0.20 ≤0.05 - - ≤0.10 - ≥99.00
2024 ≤0.50 ≤0.50 3.8–4.9 0.3–0.9 1.2–1.8 ≤0.10 ≤0.25 ≤0.15 Bal
3003 ≤0.60 ≤0.70 ≤0.20 1.0–1.5 - - ≤0.10 - Bal
3105 ≤0.60 ≤0.70 ≤0.30 0.3–0.8 0.2–0.8 ≤0.20 ≤0.40 ≤0.10 Bal
5052 ≤0.25 ≤0.40 ≤0.10 ≤0.10 2.2–2.8 0.15–0.35 ≤0.10 ≤0.10 Bal
5083 ≤0.40 ≤0.40 ≤0.10 0.4–1.0 4.0–4.9 0.05–0.25 ≤0.25 ≤0.15 Bal
5754 ≤0.40 ≤0.40 ≤0.10 ≤0.50 2.6–3.6 ≤0.30 ≤0.20 ≤0.15 Bal
6061 0.4–0.8 ≤0.70 0.15–0.40 ≤0.15 0.8–1.2 0.04–0.35 ≤0.25 ≤0.15 Bal
6063 0.2–0.6 ≤0.35 ≤0.10 ≤0.10 0.45–0.9 ≤0.10 ≤0.10 ≤0.10 Bal
6082 0.7–1.3 ≤0.50 ≤0.10 0.4–1.0 0.6–1.2 ≤0.25 ≤0.20 ≤0.10 Bal
7075 ≤0.40 ≤0.50 1.2–2.0 ≤0.30 2.1–2.9 0.18–0.28 5.1–6.1 ≤0.20 Bal

 

Mechanical Properties of Aluminum Round Tube (MPa)

 

Alloy Temper Tensile Strength (MPa) Yield Strength (MPa) Elongation (%)
1050 O 60–95 ≥20 ≥25
1060 O 70–110 ≥25 ≥25
1070 O 75–110 ≥30 ≥25
1100 O 90–110 ≥35 ≥20
2024 T4 420–470 ≥270 ≥10
3003 H14 140–180 ≥115 ≥5
3105 H14 150–200 ≥130 ≥5
5052 H32 210–260 ≥160 ≥10
5083 H111 270–330 ≥125 ≥12
5754 H22 190–240 ≥80 ≥12
6061 T6 290–340 ≥240 ≥10
6063 T5 160–205 ≥110 ≥8
6082 T6 300–350 ≥250 ≥10
7075 T6 510–570 ≥430 ≥8

 

 
Advantages of Aluminum Round Pipes
 

Lightweight
Aluminum tubes are lighter than those made of other materials, weighing only a third of steel, making them more convenient to use.

 

Corrosion-resistant
Aluminum tubes have good corrosion resistance, withstanding acids and alkalis, prolonging their lifespan.

 

High strength
Aluminum tubes possess high strength, capable of bearing significant loads without deforming or breaking.

 

Easy to process
Aluminum tubes are easy to cut, weld, and bend, saving time and costs.

 

Good conductivity
Aluminum tubes exhibit excellent electrical conductivity, suitable for conductive applications.

 

Good insulation
Aluminum tubes provide good thermal insulation, useful as insulation materials.

 

Environmentally friendly
Aluminum tube production emits no harmful gases or wastewater, is recyclable, and does not pollute the environment. They also reduce energy consumption effectively.

 

Aesthetically pleasing
Aluminum tubes have an attractive appearance, which can be enhanced with anodizing and painting for a beautiful finish.

 

 

 
Applications of Aluminum Round Pipe
 
01/

Building
Aluminum tubes are used in building curtain walls, ceilings, interior decoration, doors, and windows, providing a lightweight, high-strength, corrosion-resistant, and non-deformable material choice.

02/

Transportation
Aluminum tubes manufacture automotive, train, and aircraft components, with their lightweight nature reducing overall weight.

03/

Electronics
Aluminum tubes make up electronic device casings and heat sinks; their excellent thermal conductivity and corrosion resistance make them ideal materials.

04/

Machinery
Aluminum tubes produce mechanical parts and pipelines, and their superior mechanical properties and machinability secure industrial applications.

05/

Aerospace
Aluminum tubes construct aerospace structural components and fuel tanks, their high strength and corrosion resistance essential for the field.

06/

Sports Equipment
Aluminum tubes create bicycles, golf clubs, ski poles, etc., and their lightness and durability make them perfect for sports gear.

07/

Modern Home Decor
Aluminum profile tubes, due to being light, strong, and corrosion-resistant, have become a popular choice for modern home decorations like wardrobes, bookshelves, and window frames.

08/

High-End Decor Style
Aluminum profile tubes are crafted into various furniture and decorations, such as wardrobes, bookcases, and chandeliers, establishing high-end, fashionable decor styles.

 

 
Aluminum Round Pipes polishing method
 

 

Mechanical Polishing

Utilize grinding machines and polishing cloths to remove oxide scales and burrs from aluminum pipes, achieving smoothness. This method is suitable for larger scratches and deep dirt but requires care to avoid surface damage.

Chemical Polishing

Use chemical corrosion to remove the oxide layer from aluminum pipes, employing strong acids like nitric or hydrochloric acid to dissolve the oxide layer, followed by polishing with a cloth for smoothness. This method is effective for limited-depth scratches and stains, aiding in restoring and maintaining shine.

Electrochemical Polishing

Achieve smoothness on aluminum pipe surfaces through electrolysis, typically using hydrochloric or nitric acid solutions as electrolytes under specific voltage and current densities. This process removes oxide layers and burrs.

Magnetron Sputtering Polishing

Employ high-speed ion bombardment to condition the aluminum surface to a high level of flatness, reducing roughness and enhancing brightness. This method suits removing oxide layers and burrs for a highly even surface.

Notes: Selecting the appropriate polishing method depends on the aluminum pipe's condition and polishing requirements. For a mirror finish, start by cleaning the surface with detergent and a brush, then grind with various grit cloths or pastes until smooth. Apply a layer of polishing paste and polish with a machine, controlling speed and pressure to prevent damage. Finally, clean the surface again to remove any remaining paste and impurities. Repeat grinding and polishing as needed to achieve the desired mirror effect.

Why Choose GNEE for Aluminum Pipes

 

 

1. Processing: Extruded vs. Cold-Drawn Seamless

We don't just sell "pipes"; we manufacture the exact type of tube your application requires. We offer two distinct processing methods to match your technical and budget needs:

 

  • Extruded Aluminum Pipe (Porthole / Seamless Extruded): Perfect for structural applications, scaffolding, and handrails. Manufactured to ASTM B221 or ASTM B241 standards, offering excellent structural integrity and highly competitive pricing for general engineering.
  • Cold-Drawn Seamless Tube: Mandrel-drawn to eliminate any weld seams. This process delivers superior pressure resistance, exact concentricity (uniform wall thickness), and a mirror-like interior finish. Manufactured strictly to ASTM B210, this is the mandatory choice for high-pressure fluid transfer, pneumatic cylinders, and aerospace components.

2. Strict Tolerances & Dimensional Accuracy

 

  • Outer Diameter (OD) & Wall Thickness (WT): We strictly adhere to ASTM B210 / B241 tolerance tables. For precision applications, our cold-drawn pipes can achieve tight h9 to h11 tolerances.
  • Concentricity: Our advanced mandrel extrusion and drawing processes ensure excellent concentricity, meaning the wall thickness is uniform all the way around, preventing weak spots in pressurized systems.
  • Straightness: All pipes undergo a multi-roll straightening process to ensure a maximum deviation of just 1-2mm per meter, ready for automatic lathe feeding.

Aluminum tube size inspection

 

Advanced Testing & Certification

 

 

You cannot gamble with safety when it comes to pipes carrying fluids, gases, or heavy structural loads. Every batch from GNEE is rigorously tested:

  • Eddy Current Testing (ECT): 100% of our precision tubes pass through ECT to detect any invisible surface or near-surface cracks, voids, or inclusions.
  • Hydrostatic Testing: For pipes intended for fluid or pressure applications, we perform hydrostatic testing to guarantee zero leaks and absolute burst resistance under specified pressures.
  • Chemical & Mechanical Testing: OES spectrometers verify the exact alloy composition, while tensile machines confirm yield strength and elongation.
  • Free EN10204 3.1 MTC: We provide a genuine, stamped Mill Test Certificate with your commercial invoice, ensuring 100% material traceability from billet to final pipe.  
5083 O ABS aluminum pipe MTC
5083 O ABS aluminum pipe MTC
6061 T6 aluminum pipe MTC
6061 T6 aluminum pipe MTC

 

GNEE ALUMINUM

 

Seaworthy Packaging

 

 

Ocean transit to the Middle East and Southeast Asia involves high humidity, salt spray, and rough port handling. Aluminum pipes are highly susceptible to "white rust" (oxidation) and impact dents. Our 4-Step Pipe Packaging standard guarantees zero damage:

  • End Protection: Plastic end caps are fitted tightly onto both ends of the pipe to protect beveled or square cuts and prevent dust, moisture, or insects from entering the bore.
  • Anti-Friction & Anti-Moisture: Pipes are bundled with EPE foam separators, wrapped tightly in waterproof kraft paper, and sealed in multi-layer plastic film with internal desiccant bags.
  • Solid Wooden Cases: Unlike solid bars, hollow pipes can easily be crushed if stacked improperly on open pallets. We pack our pipes securely inside fully enclosed, ISPM-15 fumigated wooden cases, ensuring maximum structural protection during heavy crane or forklift operations.  
GNEE Aluminum tube packaging
GNEE Aluminum tube packaging
 

 

 
Frequently Asked Questions
 

Q: Can aluminum round pipes be custom cut to specific lengths?

A: Versatility and Formability – Aluminum round tubes can be easily formed, shaped, and fabricated to meet specific requirements. They can be cut, welded, bent, or joined using various techniques. This versatility enables customization and flexibility in designing structures or components for different applications.

Q: What are the benefits of using aluminum over steel pipes?

A: Because aluminum pipes are lighter than steel and copper pipes, they are easier to install and modify. Aluminum pipes are corrosion resistant and can help cut energy costs by ensuring optimal airflow.

Q: Can aluminum round pipes be used in marine environments?

A: Plumbing: Aluminum pipe can be used for plumbing applications on a boat, such as for freshwater and wastewater systems. They are corrosion-resistant and can withstand exposure to saltwater and harsh marine environments.

Q: What is the difference between 6061 and 6063 aluminum alloys for piping?

A: Differences Between AL 6061 and AL 6063
6061 aluminum has a lower melting temperature, lower thermal conductivity, and lower heat capacity. AL 6061-T6 has a higher yield strength and fatigue strength when compared to AL-T6 6063. It is also less corrosion resistant than AL 6063.

Q: Are anodized finishes available for aluminum round pipes?

A: The alloys mostly utilized for anodized aluminum round tubing are 1050, 1070, 3103, and 6060. These pipes are employed in the mechanical, electromechanical, construction, and furnishing industries. 

Q: Can aluminum round pipes be bent without cracking?

A: Bending these tempered alloys is not impossible, but it is very difficult and will most likely require large bend radii to avoid cracking on the outside of the bend. If you're not careful, you can completely fracture the bend line.

Q: Can aluminum round pipes be recycled?

A: Aluminium can be infinitely recycled, retaining all its qualities no matter how many times it's recycled.

Q: What is the cost comparison between aluminum and other piping materials?

A: Aluminum piping costs a bit more than black iron up front, but it will pay for itself over time. It takes about five to seven years to recoup the cost difference between aluminum and iron through lower operating costs.

Henan Gnee New Material Co., Ltd. is one of the most professional aluminum round pipe manufacturers and suppliers in China, featured by quality products and competitive price. Please rest assured to buy aluminum round pipe for sale here from our factory.

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