Seamless 5052 Aluminum Tubing
Seamless 5052 aluminum tubing is a magnesium alloy (2.2–2.8% Mg) product, renowned for its high strength, excellent corrosion resistance, and weldability. Due to its lightweight and durable characteristics, it is widely used in aerospace, hydraulic systems, fuel lines, and structural applications.
5052 aluminum is a non-heat-treatable alloy, and its exceptional corrosion resistance, particularly in seawater and marine environments, makes it an ideal choice for marine and aerospace applications.
The "seamless" designation indicates that the tubing is formed without a weld seam, creating a uniform structure that enhances strength and reliability.
Seamless 5052 aluminum tubing is a high-performance material, famous for its outstanding corrosion resistance (especially in marine environments) and its suitability for various structural and fluid handling applications.
5052 aluminum cannot be heat-treated but can be strengthened through cold working processes.
Seamless 5052 aluminum tubing is a high-performance, corrosion-resistant material widely used in applications that require strength, lightweight, and resistance to harsh environments.
Haomei Seamless 5052 Aluminum Tubing Dimensions and Availability
| Item | Specifications/Description |
| Outer Diameter (OD) | 1/8 inch to 16 inches (3 mm to 2500 mm) |
| Wall Thickness | 0.020 inches to 2 inches (0.2 mm to 150 mm) |
| Surface Treatment | Anodizing, polishing, powder coating, or smooth finish |
| Tube Type | Seamless or welded |
| Temper | O (Annealed): Maximum softness and formability |
| H111: Strain-hardened | |
| H112: Strain-hardened and stabilized | |
| H32/H34/H36/H38: Different strength levels achieved through cold working and aging treatment | |
| Strength Grade | O (Annealed): Maximum softness and formability |
| H32/H34/H36/H38: Different strength levels after cold working and aging treatment | |
| Manufacturing Standards | ASTM B210: General-purpose drawn seamless tube |
| AMS 4070/4071: Aerospace-grade seamless hydraulic tube specifications | |
| WW-T-700/4: Military and commercial aerospace applications federal specifications | |
| ASTM B234: Condenser and heat exchanger tubing |
Seamless 5052 Aluminum Tubing Properties
- Corrosion Resistance: Excellent, especially suitable for marine environments.
- Strength: Yield strength depends on temper (e.g., H32, H34).
- Weldability: Easily welded using standard techniques, offering the best welding characteristics in aluminum alloys.
- Formability: Good, easily bent and formed.
Seamless 5052 Aluminum Tubing Chemical Composition
The main components of 5052 aluminum alloy are:
- Magnesium (2.2–2.8%): Enhances corrosion resistance and strength.
- Chromium (0.15–0.35%): Improves strength and workability.
- Aluminum: Base material.
- Small amounts of copper, iron, manganese, silicon, zinc, and titanium.
| Element | Composition Range |
| Major Elements | |
| Aluminum (Al) | 95.7% – 97.7% |
| Magnesium (Mg) | 2.2% – 2.8% |
| Chromium (Cr) | 0.15% – 0.35% |
| Minor Elements | |
| Silicon (Si) | ≤ 0.25% |
| Iron (Fe) | ≤ 0.40% |
| Copper (Cu) | ≤ 0.10% |
| Manganese (Mn) | ≤ 0.10% |
| Zinc (Zn) | ≤ 0.10% |
Seamless 5052 Aluminum Tubing Mechanical Properties
- Yield Strength: Approximately 193 MPa (28, 000 psi).
- Ultimate Tensile Strength: Approximately 228 MPa (33, 000 psi).
- Elongation: 7–27%, depending on temper.
- Hardness: Brinell hardness of 60.
Seamless 5052 Aluminum Tubing Applications
Seamless 5052 Aluminum Tubing Applications in the Marine Industry
- Shipbuilding: Hull structure, fuel tanks, legs, and handrails, refrigeration systems.
- Marine Structures: Hulls, railings, and fuel tanks.
Shipbuilding Applications
| Application Component | Description |
| Hull Structure | 5052 aluminum alloy has excellent corrosion resistance, making it ideal for use in hull frames, skeletons, and other structural components. Especially in seawater environments, it effectively resists corrosion, ensuring the long-term stability and safety of the hull structure. |
| Fuel Tanks | The corrosion resistance of 5052 aluminum alloy makes it an ideal material for manufacturing ship fuel tanks. Due to the corrosive nature of seawater and fuel, 5052 aluminum tubing provides stable structure and reduces the overall weight of the vessel, ensuring the safety and durability of the fuel tank. |
| Legs and Handrails | 5052 aluminum tubing provides excellent corrosion resistance and strength for components such as ship legs and handrails. Since ships are constantly exposed to seawater, these parts must withstand corrosion and marine erosion. 5052 aluminum tubing effectively extends the service life of these components. |
| Refrigeration Systems | In ship refrigeration systems, 5052 aluminum alloy tubing is widely used for condenser pipes, evaporator pipes, and other key components. Its excellent thermal conductivity and corrosion resistance improve cooling efficiency and ensure the long-term stable operation of the system. |
Marine Structure Applications
| Application Component | Description |
| Hull | In marine platforms, oil and gas platforms, and other structures, 5052 aluminum tubing is used to build hulls. Its corrosion resistance is critical in marine environments, effectively resisting saltwater corrosion while maintaining the strength and stability of the structure. |
| Railings | 5052 aluminum tubing is commonly used to manufacture railings and fences in ships, docks, and marine platforms. It not only offers corrosion resistance but also provides lightweight and high-strength structures, ensuring safety and long-term reliability. |
| Fuel Tanks | In marine platforms and ships, 5052 aluminum tubing resists seawater corrosion and maintains a lightweight structure. It exhibits excellent chemical resistance to various fuels, making it an ideal choice for storing marine fuels and lubricants. |
Other Applications of Seamless 5052 Aluminum Tubing
- Aerospace: Fuel tanks, hydraulic systems, fuselage structure, engine parts, fuel lines, and structural components.
- Industrial: Hydraulic system conduits, oil and gas transportation, heat exchangers, structural supports, refrigeration equipment, precision instrument brackets, electrical enclosures, and storage tanks.
- Automotive: Corrosion-resistant components for automotive fuel lines.
- Hydraulic and Fuel Systems: Pipelines and conduits.
- Building Applications: Panels and decorations, mirror-finish aluminum tubes, patterned tubes, and other custom profiles for interior and exterior decor and structural components.
- General Uses: Household appliances, mailboxes, and decorative panels.
Advantages of Seamless 5052 Aluminum Tubing
- Lightweight: Reduces the overall system weight in aerospace and automotive applications.
- Corrosion Resistance: Suitable for harsh environments, including seawater and acidic conditions.
- Formability: Easy to extrude, draw, or weld into complex shapes.
Manufacturing Process of Seamless 5052 Aluminum Tubing
- Primarily produced through cold rolling, extrusion, or cold drawing processes, with extrusion and cold drawing processes capable of producing seamless tubes with outer diameters ranging from 1 to 300 mm, and customizable wall thicknesses.
- Some high-precision products are subjected to fine drawing or oxidation treatments, with surface finishes achieving a smooth or mirror-like effect.
Machinability and Weldability of Seamless 5052 Aluminum Tubing
5052 aluminum tubing has the following characteristics:
- Excellent weldability: Suitable for various welding processes, including MIG and TIG welding.
- Good machinability: Can be processed using standard machining methods.
- Formability: Easy to bend and shape to meet custom application requirements.
Purchasing Considerations for Seamless 5052 Aluminum Tubing
- Certification: Ensure compliance with ASTM, AMS, or MIL standards.
- Supplier Reputation: Prefer suppliers with aerospace certifications (e.g., AS9100, NADCAP).
- Customization: Offers round, square, or rectangular profiles, with customizable sizes.
Seamless 5052 aluminum tubing is a versatile material with high strength and excellent corrosion resistance, suitable for high-demand applications in shipbuilding, aerospace, automotive, and industrial sectors. Its weldability and formability further enhance its appeal in custom manufacturing projects.
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