5052 Drawn Aluminum Tubing
5052 Drawn Aluminum Tubing is a specialized aluminum alloy product that is manufactured using a cold drawing process, in which the aluminum material is pulled through a die to achieve precise dimensions and a smooth surface. This tubing is typically supplied in the annealed (O) condition, making it soft and easy to form, which makes it an ideal choice for applications that require bending or shaping.
5052 aluminum tubing is a magnesium-aluminum alloy (2.2-2.8% Mg, 0.15-0.35% Cr) known for its excellent corrosion resistance, especially in marine and saline environments. It cannot be heat-treated, but its strength can be enhanced through cold working (such as drawing). The tensile strength in the annealed (O) temper can reach 170-240 MPa, and in harder tempers like H18, it can reach even higher strengths.
5052 Drawn Aluminum Tubing is a high-performance, non-heat-treatable alloy, renowned for its excellent corrosion resistance, especially in marine environments.
5052 Drawn Aluminum Tubing Characteristics
- High fatigue strength (better than 1100 and 3003 alloys).
- Excellent weldability and formability, allowing for complex shaping without tearing.
- Lightweight, high strength, and low weight.
- Corrosion resistance: Performs excellently in liquid or gas environments, making it ideal for marine and industrial settings.
- Formability: Good cold-working properties, with the best plasticity in the annealed (O temper), suitable for deep drawing processes.
- Weldability: Good performance in gas welding, arc welding, and spot welding, though TIG welding may cause crystallization cracks.
5052 Drawn Aluminum Tubing Production Process
5052 tubing is manufactured using a cold drawing process, which involves pulling the aluminum billet through a die and stretching it at room temperature.
This process ensures:
- Seamless round tubes produced through the cold drawing process.
- Thin walls (0.02 inches to 0.70 inches) and strict tolerances (±0.05mm).
- A smooth surface ideal for anodizing, polishing, or powder coating.
- Enhanced mechanical properties, such as uniform grain structure, making it suitable for aerospace applications.
- Surface quality: The surface should be free from cracks or corrosion spots, with minor local defects (such as peeling or bubbles) allowed, not exceeding 5% of the total area.
Annealing treatment: Recommended annealing temperature of 345°C to optimize material plasticity.
5052 Drawn Aluminum Tubing Specifications and Standards
| Specification and Standard Item | Details |
| Temper Options | O (annealed), H32, H34, H36, H38 |
| Manufacturing Method | Seamless drawing, suitable for hydraulic and non-hydraulic applications |
| Outside Diameter Range | 1/8 inch to 4 inches |
| Wall Thickness Range | 0.020 inch to 0.125 inch |
| Standards | ASTM B210, AMS 4070, AMS-WWT-700/4 (military/aerospace) |
| Surface Treatment | Anodizing, powder coating, or polishing to enhance durability |
5052 Drawn Aluminum Tubing Temper
Common tempers include:
- O (annealed): Soft, good ductility, easy to form.
- H18: Cold worked to achieve higher strength.
- H111/H112: Balanced strength and formability, suitable for structural applications.
5052 Drawn Aluminum Tubing Corrosion Resistance
5052 aluminum tubing has excellent corrosion resistance, especially in seawater and marine environments. Its resistance to stress corrosion cracking (SCC) is superior to many other aluminum alloys, making it an ideal choice for applications in harsh environments.
5052 Drawn Aluminum Tubing Mechanical Properties
- Yield strength: Approximately 28, 000 psi (193 MPa).
- Ultimate tensile strength: Up to 33, 000 psi (228 MPa).
- Elongation: 7–27%, depending on temper and thickness.
- Density: 2.68 g/cm³.
- Thermal conductivity: 138 W/m·K.
These properties give 5052 aluminum tubing moderate strength, balancing strength and formability compared to other alloys.
5052 Drawn Aluminum Tubing Applications
5052 Drawn Aluminum Tubing Applications in the Marine Industry
Its excellent fatigue strength and resistance to marine atmosphere and seawater corrosion make it particularly suitable for demanding environments.
- Components exposed to seawater, such as ship fittings and offshore structures.
- Fuel tanks, hulls, legs, and masts.
Other Industries Using 5052 Drawn Aluminum Tubing
- Aerospace: Fuel lines, hydraulic systems, and structural components (e.g., fuselage frames) due to its corrosion resistance, meeting AMS 4070, WW-T-700/4, and AS9100 standards.
- Automotive: Fuel and oil lines, structural components, pressurized brake lines, heat exchangers, and lightweight structural tubes.
- Consumer Goods: Furniture, sports equipment, and electronic device housings.
- Industrial Equipment: Liquid containers, instrument mounts, electrical housings, pressure vessels, heat exchangers, and frames.
- Consumer Goods: Furniture frames, sports equipment, and home appliances.
- Special Applications: For components requiring high airtightness, it is recommended to use 5A03 alloy solder.
5052 Drawn Aluminum Tubing Manufacturing and Workability
Although 5052 aluminum cannot be heat-treated, it can be strengthened through cold working. This alloy is easily welded using standard welding processes, including gas welding, arc welding, and resistance welding. Additionally, it is easy to anodize and powder coat, enhancing its appearance and durability.
Purchasing Considerations for 5052 Drawn Aluminum Tubing
- Certification: Verify ASTM/AMS compliance and material test reports.
- Customization: Available in straight lengths (6-12 feet) or coils.
Advantages of 5052 Drawn Aluminum Tubing Over Competing Alloys
- Superior strength and corrosion resistance compared to 3003 and 5251.
- More cost-effective for non-structural applications than 6061 or 7075.
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