Extruded Square Aluminum Tube

Name: Extruded Square Aluminum Tube | Structural Aluminum Tube | 6061 Square Tube Profile - Frigate
Price: 249.00 USD
Availability: InStock

Extruded square aluminum tubes are produced with tight control over wall thickness, corner radius, and overall squareness, ensuring uniformity in each batch. This precision minimizes tolerance stack-up in mechanical assemblies and welded structures, reducing rework during assembly and welding processes.

Materialien

6061-T6, 6063-T5, 6082-T6 aluminum alloys for structural strength.

Surface Finishes

Options include anodized, mill finish, powder-coated, brushed.

Compliance Standards

Conforms to ASTM B221, ISO 9001, RoHS, and EN 755-9 standards.

Cross-Section Area (A)

Varies by tube size; generally between 15-50 cm².

Mass per Meter (m)

Varies from 0.5 kg/m to 2.5 kg/m depending on tube dimensions.

Product Description

Alloys like 6061-T6, 6063-T5, and 6082-T6 offer a balance of strength, elongation, and corrosion resistance. 6061-T6 is ideal for high-strength applications like aerospace, while 6063-T5 suits architectural needs with its excellent finish and formability. Each alloy is optimized through artificial aging to meet specific performance demands.

Moment of Inertia (Ix / Iy)

Typical Range: 0.1–2.5 cm⁴ (varies by tube size)

Section Modulus (Zx / Zy)

Typically ranges from 0.5–5 cm³ depending on tube size.

Radius of Gyration (ix / iy)

Typically ranges from 1.0–4.0 cm based on tube geometry.

Max. Axial Load (Euler Buckling)

Axial load capacity ranges from 1000–5000 N depending on length.

Max. Load at Slot (Shear Test)

Shear test load capacity typically ranges from 1500–3000 N.

Torsional Constant (J)

Varies by size; typically between 0.1–10 cm⁴ depending on dimensions.

Max Torque (Torsional Load Limit)

Torque load capacity varies between 20–150 Nm depending on size.

Elastic Deflection (100 N Load)

Deflection varies between 0.1–0.5 mm for different tube sizes.

Dynamic Load Rating

Typically between 1500–5000 N based on size and material.

Compatibility Tolerance

Tolerance typically ±0.5 mm for lengths up to 6 meters.

Machining Precision Grade

Precision tolerance typically ±0.2 mm for high-quality machining.

Fatigue Life (Slot Edge)

Fatigue life ranges from 10⁶ to 10⁸ cycles under working loads.

Thermal Expansion (ΔL @ ΔT=50°C)

Thermal expansion coefficient around 0.022 mm/m°C for 6061-T6.

Slot Pull-Out Resistance

Pull-out resistance ranges between 250–500 N based on design.

Max Load Bearing at Corner Joint

Maximum load bearing ranges from 2000–4000 N depending on joint.

Technical Advantages

The square profile ensures uniform torsional stiffness, making it ideal for structural frames, gantries, and load-bearing applications. The design allows for even stress distribution, simplifying structural analysis and minimizing deflection under load.

With controlled surface roughness, these tubes offer consistent anodizing and coating adhesion. This is critical for both visual applications and functional needs like corrosion protection or electrical conductivity in aerospace, automotive, and electronics sectors.

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Industry Applications

Structural Framing in Aerospace

Used in aircraft and satellite structures for high-strength-to-weight ratio, offering rigidity and corrosion resistance in critical load-bearing components.

Automotive Chassis and Support Frames

Employed in vehicle chassis and frame components, providing strength and reduced weight while withstanding impact and vibration forces.

Industrial Racking and Shelving Systems

Utilized for heavy-duty storage systems, offering high torsional stiffness and ease of assembly with minimal material fatigue over time.

Electronics Enclosures

Provides robust, lightweight protection for sensitive electronic components, supporting cooling efficiency and shielding from external electromagnetic interference.

Heat Exchangers and Cooling Systems

Commonly used in cooling systems, leveraging aluminum’s high thermal conductivity for effective heat dissipation in mechanical and electronic systems.

Marine Structural Components

Used for frames and supports in marine environments, providing resistance to corrosion and fatigue under dynamic loading conditions.

Thermal Conductivity and Heat Dissipation Behavior

Aluminum’s high thermal conductivity (167–235 W/m·K) aids in passive heat dissipation, ideal for cooling systems, battery packs, and power electronics. The flat surfaces of square tubes enhance heat dissipation efficiency, reducing localized thermal stress.

With high weldability using TIG, MIG, and laser welding, 6xxx-series alloys maintain mechanical strength in the heat-affected zone. The geometry ensures strong, low-distortion weld joints, crucial for structural integrity in critical applications.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does the extrusion process affect the mechanical properties of square aluminum tubes?

The extrusion process controls the grain structure of the aluminum, enhancing its strength and resistance to fatigue. This results in improved yield strength, especially when using alloys like 6061-T6, which are further strengthened through artificial aging. The extrusion process also influences the material’s ductility and elongation, which are critical for structural integrity in dynamic load applications.

What is the impact of the square profile on the stress distribution in structural applications?

The square profile ensures uniform stress distribution across both axes, providing higher torsional stiffness compared to circular or rectangular tubes. This makes it ideal for applications requiring even load-bearing capacity and minimal deflection, such as in automotive frames or industrial racking systems.

How do wall thickness variations in extruded square tubes affect their performance?

Wall thickness variation can lead to uneven stress distribution, potentially causing weak spots under load. Extrusions with tight tolerance control reduce this effect, ensuring consistent strength throughout the tube. In structural applications, even wall thickness is critical to prevent deformation and ensure dimensional stability under dynamic loads.

How does the alloy choice influence the corrosion resistance of extruded square aluminum tubes?

The choice of alloy significantly impacts corrosion resistance. For example, 6061-T6 offers good resistance to atmospheric corrosion and is often used in outdoor structures, while 6063-T5 provides better resistance in environments prone to acidic or alkaline exposure. Proper alloy selection ensures the tube’s longevity and performance in harsh environmental conditions.

What role does heat treatment play in enhancing the properties of extruded square aluminum tubes?

Heat treatment, specifically artificial aging (T6 condition), increases the hardness and strength of the aluminum alloy by precipitating solute atoms that impede dislocation motion. This process improves the material’s resistance to mechanical stress and ensures consistent performance in load-bearing applications, such as in aerospace or automotive structural components.

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Extruded Square Aluminum Tube

Materialien

Surface Finishes

Compliance Standards

Cross-Section Area (A)

Mass per Meter (m)

Product Description

Moment of Inertia (Ix / Iy)

Section Modulus (Zx / Zy)

Radius of Gyration (ix / iy)

Max. Axial Load (Euler Buckling)

Max. Load at Slot (Shear Test)

Torsional Constant (J)

Max Torque (Torsional Load Limit)

Elastic Deflection (100 N Load)

Dynamic Load Rating

Compatibility Tolerance

Machining Precision Grade

Fatigue Life (Slot Edge)

Thermal Expansion (ΔL @ ΔT=50°C)

Slot Pull-Out Resistance

Max Load Bearing at Corner Joint

Technical Advantages

Let's Get Started

Industry Applications

Thermal Conductivity and Heat Dissipation Behavior

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Extruded Square Aluminum Tube

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Extruded Square Aluminum Tube

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