5052 Aluminum Square Tube
The 5052 aluminum square tube is made from 5052 aluminum alloy and is processed into a square tube. It belongs to the Al-Mg series rust-resistant aluminum alloy.
The 5052 aluminum square tube is a versatile, medium-strength alloy, known for its outstanding corrosion resistance, especially in marine environments. The alloy primarily consists of aluminum and magnesium, offering a balance of strength, formability, and weldability.
The 5052 Aluminum Square Tube belongs to the 5000 series aluminum alloy, with the main alloying elements being magnesium (2.2-2.8%) and chromium (0.15-0.35%), with no copper, and it is primarily strengthened by solid solution strengthening.
5052 Aluminum Square Tube Features: Excellent corrosion resistance, especially suitable for marine and chemical environments.
5052 Aluminum Square Tube Corrosion Resistance
5052 aluminum alloy performs excellently in saltwater, seawater, and other corrosive environments, making it an ideal choice for the marine, coastal, and chemical processing industries.
- Excellent performance in marine/saltwater environments; resistant to pitting corrosion.
- Avoid contact with dissimilar metals (electrochemical corrosion risk); insulation measures are recommended.
Marine Environment: Exceptional salt spray corrosion resistance, widely used in ships and coastal facilities.
Protection Recommendations:
- Avoid direct contact with copper, steel, and other dissimilar metals, and use insulating gaskets for separation.
- Regularly clean the surface to remove salt or chemical residues to extend the service life.
Haomei 5052 Aluminum Square Tube Dimensions and Availability
| Specification | Description |
| Section Size | Outer Diameter (OD): 1/8" (3.18mm) to 6" (152.4mm) |
| Common Specifications: 0.5"×0.5", 1"×1", 2"×2", etc. | |
| Wall Thickness | 0.020" (0.51mm) to 0.25" (6.35mm) |
| Typical Thickness: 0.035", 0.049", 0.065" | |
| Length | Standard Lengths: 6 feet (1.83m), 12 feet (3.66m), 20 feet (6.1m) |
| Custom Lengths: 24 feet (7.32m) or custom cuts | |
| Tolerance | Cutting Accuracy: ±1/16" |
| Standard Length Tolerance: ±1/4" | |
| Material Standards | ASTM B210 (Drawn Seamless Tubes) |
| ASTM B221 (Extruded Tubes) | |
| ASTM B483 (Precision Tubes) | |
| AMS 4070/4071 (Aerospace Seamless Tubes and Welded Tubes) | |
| AMS-WW-T-700/4 (Military and Civil Aerospace Tube Standards) | |
| Certification System | AS9100 (Aerospace Quality Management System) |
| ISO 9001 | |
| NADCAP (Special Process Certification) | |
| Surface Treatment | Basic Treatments: Mill Finish, Anodized, Powder Coated |
| Special Treatments: Fluorocarbon Coating, Electrophoresis | |
| Packaging | Moisture-proof Packaging: Wooden Pallet + Stretch Film |
| Custom Options: Shockproof Padding, Special Markings (e.g., for Aerospace or Military Projects) | |
| Minimum Order Quantity (MOQ) | Common MOQ in Wholesale Market: 500kg to 3 tons |
| Retail Support for Small Orders (e.g., Single 6-foot Tube) |
5052 Aluminum Square Tube Chemical Composition
5052 aluminum is a magnesium alloy metal (containing 2.2-2.8% magnesium, 0.15-0.35% chromium), belonging to the 5000 series. This material does not contain copper, providing higher corrosion resistance, especially in marine environments.
The main elements include aluminum (balance), magnesium (2.2-2.8%), manganese (≤0.10%), chromium (0.15-0.35%), and others, with a higher content of magnesium, which gives it excellent corrosion resistance and medium strength.
5052 Aluminum Square Tube Mechanical Properties
- Condition: Commonly in H32 condition (partially annealed after cold working, with strong stability).
- Tensile Strength: Approximately 230 MPa.
- Yield Strength: Approximately 195 MPa.
- Elongation: 10-15% (with certain plastic deformation ability).
- Strengthening Method: Cannot be strengthened by heat treatment, needs to be strengthened through cold working (such as rolling, drawing).
5052 Aluminum Square Tube Physical Properties
- Density: 2.7 g/cm³ (lightweight).
- Conductivity: Medium thermal/electrical conductivity (lower than pure aluminum due to alloying).
- Non-magnetic: Suitable for sensitive applications.
5052 Aluminum Square Tube Processability
- Excellent weldability, suitable for TIG, MIG, and resistance welding processes, but care must be taken to avoid crystallization cracks during argon arc welding.
- Good cold formability (in annealed condition), plasticity is acceptable during semi-cold work hardening, but decreases after cold work hardening.
- General machinability, good polishing effect.
5052 Aluminum Square Tube Applications
5052 Aluminum Square Tube in Marine Applications
Due to its lightweight, corrosion resistance, and ease of processing, 5052 aluminum square tube is widely used in the following scenarios:
- Ship metal parts
- Ships: hulls, fuel tanks, and structural components
- Ships: ship frames, docks, and accessories.
- Marine engineering: hull frames, deck supports, dock structures.
Other Industries Using 5052 Aluminum Square Tube
- Transportation: automotive fuel tanks, oil pipes, aircraft skin structures, truck/trailer bodies, rail components, truck containers, rail transit interior skeletons, refrigerated vehicle components.
- Construction and Decoration: building components and structural supports, handrails, door/window frames, street light poles, building curtain walls, sunroom frames.
- Industrial Manufacturing: chemical equipment, HVAC systems, liquid containers, electrical enclosures, hardware parts.
- Other fields: instrument brackets, deep drawing small load components.
- Aerospace: aircraft fuselage and wing structures.
- Consumer goods: outdoor furniture and equipment.
5052 Aluminum Square Tube Manufacturing and Processing Performance
- Weldability: Excellent; suitable for TIG, MIG, and resistance welding.
- Formability: Good; can be bent and formed using standard equipment.
- Machinability: Moderate; specialized tools may be required to achieve optimal results.
- Heat treatment: Not heat treatable; strength can be increased through cold working.
5052 Aluminum Square Tube Processing and Surface Quality
5052 Aluminum Square Tube Processing Considerations
- Control work hardening during cold working to avoid excessive loss of plasticity.
- Annealing treatment can restore plasticity, with a recommended annealing temperature of 345°C.
- 5052 Aluminum Square Tube Surface Standards
- Cracks and corrosion spots are not allowed, but minor peeling or mechanical damage (depth ≤ 8% of the nominal wall thickness) is acceptable.
5052 Aluminum Square Tube vs. Other Alloys
Compared to 6061 aluminum tube, 5052 aluminum square tube:
- Advantage: Lower density (approximately 2.68-2.72 g/cm³), better corrosion resistance.
- Disadvantage: Strength is lower than 6061 alloy, which can be heat treated for higher strength.
Compared to 6061: 5052 has better corrosion resistance, but lower strength. 6061 can be heat-treated (higher strength) but is less suitable for humid environments.
| Feature | 5052 Aluminum Square Tube | 6061 Aluminum Square Tube |
| Strength | Medium (cold work hardened) | High (heat treatable to T6) |
| Corrosion Resistance | Excellent (especially in marine environments) | Good (requires anodizing) |
| Machinability | Easy to weld and form | Requires annealing before deep processing |
| Cost | Medium | Higher |
Haomei 5052 Aluminum Square Tube Testing and Verification
Regular Testing Items:
- Composition Spectral Analysis
- Mechanical Property Testing (Tensile, Hardness)
- Salt Spray Test (ASTM B117, to verify corrosion resistance)
Certification: ISO 9001 Quality Management System, RoHS Compliance.
The 5052 aluminum square tube, with its lightweight, corrosion-resistant, and easy-to-process comprehensive performance, has become the preferred material for marine, transportation, and construction industries. Although its strength is not as high as that of the 6XXX series, its stability and economic advantages in harsh environments are significant, making it especially suitable for structural applications that require long-term corrosion resistance without the need for extremely high strength.
The 5052 aluminum square tube is a versatile, corrosion-resistant structural component, highly suitable for marine, construction, and industrial applications. Its balance in formability, weldability, and environmental adaptability makes it the first choice for applications requiring durability and lightweight properties.
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