Aluminium Flat Bar 40mm x 5.5mm

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Description

The 40mm x 5.5mm aluminium flat bar is a solid and dependable extrusion profile made from EN AW-6063 aluminium alloy in T6 temper. Its 40 mm width combined with a reinforced 5.5 mm thickness delivers excellent mechanical strength, impact resistance, and surface alignment—making it suitable for structural applications across construction, fabrication, and machinery sectors.

This profile is often selected for use in load-distribution brackets, base plates, rigid mounting supports, and architectural detailing where a balance of strength and manageable weight is essential. The added thickness offers improved stiffness and minimal deflection, especially in dynamic or high-contact assemblies.

Supplied with a clean mill finish, this flat bar is fully compatible with CNC machining, milling, and mechanical fastening processes. It can also be anodised or powder coated to meet project-specific requirements for corrosion resistance or colour finish.

Each bar is supplied in 6-metre standard lengths. Cut-to-size and surface finishing services are available for production runs and project-based needs.

We supply aluminium flat bars to manufacturers, fabricators, and contractors seeking consistent quality and reliable supply for their operations.

➤ Minimum order quantity: 500 kg.

➤ Worldwide delivery via road, sea, or air freight.

Aluminium Flat Bar Technical Drawing
SpecificationValue
Width (a)40 mm
Thickness (b)5.5 mm
Corner Radius (r)0.5 mm
Weight per metre0.596 kg
Standard Length6 metres
Finish OptionsMill finish, powder-coated, anodised

EN AW-6063

Material Specification

AlloyAlMgSi0.5
TemperT6
Specific Weight2.71 gr/cm³
Tensile Strength215 MPa
Yield Strength170 MPa
Shear Strength130 MPa
Hardness70 HB
Elongation6%
Elasticity Modulus6.89 GPa
Expansion Coefficient23.4 (20–100°C)
Coating Thickness> 60 micron
Anodizing Thickness10–25 micron

Chemical Composition

Element  Range
Silicon (Si) 0.20 – 0.60        
Iron (Fe)max. 0.35
Copper (Cu)max. 0.10
Manganese (Mn)max. 0.10
Magnesium (Mg)0.45 – 0.90
Zinc (Zn)max. 0.10
Titanium (Ti)max. 0.10
Chromium (Cr)max. 0.10
Other Elements (each)max. 0.05
Other Elements (total)max. 0.15

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