Metallic square hollow tube on transparent background.
Ultra-Strong Aluminium Square Tube – 101.6mm x 101.6mm x 6.3mm (4" x 4" x 1/4") – Plain Finish Extra-Large Heavy-Duty Box Section, Corrosion-Resistant Metal Tubing for DIY Projects, Industrial Furniture & Structural Builds
Two metallic square hollow tubes placed side by side on a white background.
Multiple metallic square hollow tubes stacked together on a white background.
Construction worker in safety gear installing an aluminum window frame.
Craftsman assembling a square aluminum frame using a screwdriver on a wooden workbench.
Man assembling metal furniture frame with screwdriver in workshop.
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Metallic square hollow tube on transparent background.
Ultra-Strong Aluminium Square Tube – 101.6mm x 101.6mm x 6.3mm (4" x 4" x 1/4") – Plain Finish Extra-Large Heavy-Duty Box Section, Corrosion-Resistant Metal Tubing for DIY Projects, Industrial Furniture & Structural Builds
Two metallic square hollow tubes placed side by side on a white background.
Multiple metallic square hollow tubes stacked together on a white background.
Construction worker in safety gear installing an aluminum window frame.
Craftsman assembling a square aluminum frame using a screwdriver on a wooden workbench.
Man assembling metal furniture frame with screwdriver in workshop.

Ultra-Strong Aluminium Square Tube – 101.6mm x 101.6mm x 6.3mm (4" x 4" x 1/4") – Plain Finish Extra-Large Heavy-Duty Box Section, Corrosion-Resistant Metal Tubing for DIY Projects, Industrial Furniture & Structural Builds

Price:
£219.40

In stock, ready to ship

In stock, ready to ship

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Description

When your projects demand maximum strength and reliability, choose the Ultra-Strong Aluminium Square Tube – 101.6mm x 101.6mm x 6.3mm (4" x 4" x 1/4") – Plain Finish. This extra-large, heavy-duty box section is engineered from premium-grade aluminium, combining exceptional durability with lightweight handling to deliver professional results every time.

With its 6.3mm wall thickness, this tubing offers outstanding load-bearing capacity, making it perfect for demanding builds while still being easier to work with than steel. The plain finish provides a clean, versatile look that can be easily cut, welded, drilled, or polished to suit your exact design. Naturally rust- and corrosion-resistant, it ensures long-term performance in both indoor and outdoor environments.

Whether you’re tackling heavy-duty DIY projects, crafting modern industrial furniture, or reinforcing structural frameworks, this aluminium square tube provides the strength, stability, and precision you need.

Key Features:

  • Ultra-Strong Build: Premium aluminium with a 6.3mm wall thickness for superior durability.

  • Exact Dimensions: 101.6mm x 101.6mm x 6.3mm (4" x 4" x 1/4") – extra-large size for heavy-duty use.

  • Corrosion-Resistant: Naturally rust-proof for long-lasting indoor and outdoor performance.

  • Heavy-Duty Yet Lightweight: High strength without the bulk of steel.

  • Plain Finish: Professional, clean appearance ready for customization.

  • Customizable Material: Can be cut, drilled, welded, or polished for bespoke designs.

Applications:

  • DIY Projects: Extra-large frames, heavy supports, and creative builds.

  • Industrial Furniture: Reinforced shelving, workbenches, and designer frames.

  • Structural Builds: Frameworks, reinforcements, and construction projects.

  • Fabrications: Prototypes, machine frames, and custom metalwork.

Specifications:

Grade 6082T6
Size 4 in x 4 in x 1/4 in
Weight - Kg/m 6.53
Metric Size 101.6 mm x 101.6 mm x 6.35 mm
Proof Stress 260 Min MPa
Tensile Strength 210 MPa
Elongation 8 Min %
Density 2.70 g/cm³
Melting Point 555 °C
Thermal Expansion 24 x10^-6 /K
Modulus of Elasticity 70 GPa
Thermal Conductivity 180 W/m.K
Electrical Resistivity 0.038 x10^-6 Ω .m
Machinability Good
Workability - Cold Good
Weldability - Gas Good
Weldability - Arc Good
Weldability - Resistance Good
Brazeability Good

About Us

Suppliers to Ministry of Defence, NATO, US Airforce and Most UK Councils, Schools, Universities, Hospitals & various Government departments

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