A 38mm round aluminium profile typically refers to a hollow cylindrical extrusion with an outer diameter (OD) of 38mm (or sometimes 38.1mm/1.5 inches). This standardized size is highly versatile, widely used for everything from architectural handrails and roller blinds to industrial framing and structural supports.
Core Specifications
Dimensions: Typically features an Outer Diameter (OD) of 38mm.
Common Wall Thickness: Ranges from 1.2mm to 3.0mm depending on the application.
Thin walls (1.21.5mm): Used for lightweight roller blinds or decorative trims.
Medium-Thick walls (2.03.0mm+): Used for load-bearing structures, handrails, or industrial frames.
Common Alloys:
6063-T5/T6: Standard architectural grade; offers a smooth finish and excellent corrosion resistance.
6061-T6: Structural grade; preferred for higher strength in machinery or automotive parts.
7075-T6: High-strength aerospace grade, sometimes used in specialized tubes.
Common Applications
Architectural & Design: Ideal for top rails in glass railing systems, balustrading for balconies and staircases, and sleek shower cubicle sections.
Window Treatments: Specifically used as the top rail/tube for roller blinds in hotels and residential spaces.
Industrial & DIY: Used in modular frameworks, lean production systems, furniture frames, and as protective conduits for wiring or machinery.
Flooring: 38mm transition profiles (often flat or extra-flat) are used to cover joints between floor coverings at the same height.
Key Features
Corrosion Resistance: Naturally forms a protective oxide layer, which can be enhanced with anodized or powder-coated finishes for outdoor use.
Lightweight & Strong: Offers a high strength-to-weight ratio, making it easier to handle than steel while maintaining structural integrity.
Finish Options: Available in mill finish (raw), brushed stainless steel look, matte black, or various metallic powder coatings.
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