5086 Aluminum Square Tube
5086 aluminum square tube is a square tubular profile made from 5086 aluminum alloy. As a derivative profile of the 5-series aluminum-magnesium alloy, 5086 aluminum square tube is widely used in various industrial fields due to its material properties.
5086 aluminum square tube is a high-strength marine-grade alloy primarily composed of aluminum and magnesium. This alloy boasts excellent corrosion resistance, making it ideal for use in harsh environments such as marine, chemical, and industrial applications.
Haomei Aluminum, as a professional aluminum material manufacturer, provides high-quality 5086 aluminum alloy square tubes, designed for ships, marine engineering, and high-corrosion environments. Using advanced processes, we produce high-strength, lightweight structures with outstanding seawater corrosion resistance and welding performance, suitable for shipbuilding, chemical equipment, transport vehicles, and other fields. Custom specifications are available, and strict quality control ensures each aluminum square tube meets international standards. Direct sales from the manufacturer offer competitive prices, fast delivery, and reliable material solutions for your projects! Contact us now for samples and technical parameters.
5086 Aluminum Square Tube Alloy Composition
- Magnesium (Mg): 3.5%–4.5%
- Manganese (Mn): 0.2%–0.7%
- Chromium (Cr): 0.05%–0.25%
- Iron (Fe): ≤0.5%
- Silicon (Si): ≤0.4%
- Copper (Cu): ≤0.1%
- Zinc (Zn): ≤0.25%
- Titanium (Ti): ≤0.15%
- Aluminum (Al): Balance
5086 Aluminum Square Tube Mechanical Properties
- Yield Strength: Approximately 30 ksi (207 MPa) in H116 condition, ideal for structural applications requiring high strength.
- Ultimate Tensile Strength: Approximately 42 ksi (290 MPa) in H116 condition.
- Elongation: Typically 12% in H116 condition.
- Hardness: The hardness range is 85-95 Brinell hardness, depending on the temper.
Strength:
- H32 Condition: Yield strength of 28.3 ksi (195 MPa), ultimate tensile strength of 30.1 ksi (207 MPa), elongation 6-12%.
- H116 Condition: Yield strength of 30 ksi (207 MPa), ultimate tensile strength of 42 ksi (290 MPa), elongation 12%.
5086 Aluminum Square Tube Physical Properties
- Density: Approximately 2.66 g/cm³.
- Melting Point: Approximately 590°C (1094°F).
- Formability: In the annealed state, 5086 has excellent formability and is easy to process into square tube profiles.
5086 Aluminum Square Tube Weldability
- Weldability: Excellent; weld strength is maintained well, especially in the H116 temper.
- Exceptional weldability: 5086 aluminum retains most of its original strength and corrosion resistance after welding, especially in the H116 temper.
5086 Aluminum Square Tube Corrosion Resistance
Exhibits excellent performance in saltwater and humid environments. Resistant to stress corrosion cracking, making it ideal for marine and offshore applications.
- Marine Environments: One of the standout features of 5086 aluminum square tube is its superior corrosion resistance, particularly in seawater environments. This makes it perfect for applications like hulls, ladders, and docks.
- Corrosion Resistance: It can resist general atmospheric corrosion as well as chemical corrosion.
- Corrosion Resistance: Excellent, particularly in seawater environments.
5086 Aluminum Square Tube Applications
| Application Areas | Specific Applications |
| Shipbuilding and Marine Engineering | Hull Structural Components: 5086 aluminum square tube is used for manufacturing deck support frames, bulkhead frames, and hull reinforcements. Its high corrosion resistance allows it to withstand long-term seawater erosion, and its excellent welding properties make it ideal for complex structural assemblies. |
| Offshore Platform Components: Suitable for pipeline supports and anti-collision structures on oil drilling platforms and floating production storage and offloading units (FPSO), meeting the weather resistance requirements in marine environments. | |
| Rail Transportation Equipment | Freight Vehicle Frames: 5086 aluminum square tube is used as support square tubes in the structural frames of railway coal wagons and container transport cars. Through lightweight design, it reduces the overall weight of the vehicle, improving cargo efficiency. |
| Subway/High-Speed Rail Interior: Used for car ceiling beams, luggage rack supports, providing fire safety and structural stability. | |
| Pressure Vessels and Energy Equipment | Pressure Vessel Support Systems: Used for external reinforcement frames of liquefied natural gas (LNG) tanks and chemical reactors, meeting strict pressure-bearing and fire safety requirements. |
| Refrigeration Equipment Structural Components: 5086 aluminum square tube is applied in large cold storage systems and air conditioning pipelines, adapting to deformation control in low-temperature environments. | |
| Military and Special Equipment | Missile Launch Devices: Used as auxiliary support structures for missile transport/launch tubes, designed to withstand high-intensity impacts while maintaining structural integrity. |
| Armored Vehicle Components: 5086 aluminum square tube is used in the blast-resistant chassis frames of light armored vehicles, balancing protection performance with mobility needs. | |
| Building and Infrastructure | High-rise Building Structures: Truss connection components for television towers and communication towers, utilizing its atmospheric corrosion resistance to extend maintenance cycles. |
| Bridge Reinforcement Components: 5086 aluminum square tube is used in coastal bridge projects to replace some steel components, reducing weight while preventing salt spray corrosion. | |
| Industrial Equipment and Machinery Manufacturing | Automation Production Line Supports: Used for aluminum square tube frames of robot workstations and conveyor line tracks, enabling quick customization through easy processing characteristics. |
| Hydraulic System Pipeline Protection: Serves as support components for protective covers of hydraulic pipelines in heavy machinery, offering vibration resistance and oil resistance. |
5086 Aluminum Square Tube Standard Sizes and Supply Information
| Specification Item | Description |
| Size Range | Side Length: 1 inch (25.4 mm) to 6 inches (152.4 mm); |
| Wall Thickness: 0.125 inch (3.2 mm) to 0.375 inch (9.5 mm) | |
| Common Temper | H32, H116 (specific temper can be selected based on demand) |
| Length | 12 feet (3.66 meters), 20 feet (6.1 meters), or custom lengths upon request |
| Supply Condition | O (Annealed), H112 (Hot-Worked, Not Annealed), H32 (Half-Hard), etc. |
| Surface Treatment | Rolled surface, anodized or powder-coated (based on demand) |
| Standards and Certifications | ASTM B221 (Extruded Profiles/Tubes); EN 573-3 (AW-5086); UNS A95086 |
5086 Aluminum Square Tube Advantages
- Strength-to-weight ratio: Despite the high strength of 5086 aluminum, it is relatively lightweight, making it ideal for structural applications that require high strength without increasing weight.
- Weldability: It has excellent performance after welding, with minimal loss in strength and corrosion resistance, especially in the H116 temper condition.
- Corrosion resistance: Performs excellently in marine environments and is resistant to a variety of chemicals and atmospheric conditions.
- Durability: Resistant to cracking and other forms of wear, particularly in harsh environments.
- Non-magnetic: Suitable for applications that require non-ferrous metal materials.
5086 Aluminum Square Tube Manufacturing and Welding
- Welding: Suitable for TIG/MIG welding; use 5356 or 5183 filler rods.
- Machining: Softer than 6000 series alloys; sharp tools are required to prevent wear.
- Forming: Good formability, but may experience springback; annealed state is easier to form.
Advantages Over Other Alloys
- Compared to other alloys, it has superior corrosion resistance; 6061/6063 are suitable for salt-containing or humid environments.
- In marine applications, it is lighter and more durable than stainless steel.
Considerations
- Stress corrosion cracking: While 5086 has high strength, it may be susceptible to stress corrosion cracking under certain conditions.
- Limited heat treatability: Strength is primarily achieved through strain hardening rather than heat treatment.
- Strength: Mechanical strength is lower than 6061; prioritize it where corrosion resistance is critical.
- Cost: Due to its specialized use, it is generally more expensive than 6000 series alloys.
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