Engineered for demanding builds, the Pro-Grade 1¼″ × 1¼″ (31.8 mm) 6082‑T6 Aluminium Square Bar delivers unmatched strength, precision, and workability. Cut to exact dimensions and made from 6082‑T6 structural-grade aluminium, this solid bar is ideal for high-performance CNC machining, structural framing, and custom metal fabrication.
Its mill finish surface is clean, raw, and ready for your process—whether you're welding, anodizing, or machining it to spec. Lightweight yet incredibly strong, this bar provides exceptional load-bearing performance without the extra bulk.
Key Features:
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Accurate 1¼″ × 1¼″ (31.8 mm) Size
Precision-cut square profile for reliable, repeatable results in tight tolerance applications.
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6082‑T6 Aluminium Alloy
A high-strength, heat-treated aluminium grade known for superior toughness, corrosion resistance, and machinability.
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Mill Finish Surface
Smooth, uncoated finish allows easy post-processing—paint, polish, or leave raw for a clean industrial look.
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CNC & Tool-Ready
Excellent performance with CNC machines, manual tools, saws, mills, and drills—designed for clean cuts and minimal tool wear.
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Structural & Fabrication Use
Perfect for load-bearing frames, jigs, brackets, fixtures, and more.
Ideal For:
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CNC machining & prototype components
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Custom fabrication & reinforcement builds
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Industrial repairs & retrofits
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Structural supports & bracing
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High-strength DIY or commercial applications
Specifications:
Weight per Meter |
3.96 kg/m |
Measurement Type |
Imperial |
Dimensions |
38.1 mm × 38.1 mm |
Surface Finish |
Standard Mill Finish |
Minimum Proof Stress |
260 MPa |
Shear Strength |
84 to 220 MPa |
Thermal Expansion |
24 × 10⁻⁶ /K |
Modulus of Elasticity |
70 GPa |
Thermal Conductivity |
180 W/m·K |
Electrical Resistivity |
0.038 × 10⁻⁶ Ω·m |
Resistance Weldability |
Good |
Whether you're fabricating, engineering, or prototyping — trust the Pro-Grade 31.8 mm Aluminium Square Bar to deliver consistent strength, machinability, and finish every time.