Buy our 6063 T6 aluminium flat bar in full 5m lengths - a lightweight, corrosion-resistant architectural-grade solid flat section — also called aluminium flat bar, flat aluminium bar or aluminium strip — ideal for brackets, supports, trims, frames, edging and general fabrication. Available in a wide range of width and thickness combinations with cut-to-size on request and fast UK delivery.
Aluminium Flat Bar Sizes & Weight Chart
6063 T6 aluminium flat bar size chart with weight per metre (width x thickness). All bar in 5m lengths or cut to size.
| Size (W x T mm) | Imperial | Weight (kg/m) |
|---|---|---|
| 12 x 6mm | 1/2" x 1/4" | 0.19 |
| 19 x 3mm | 3/4" x 1/8" | 0.15 |
| 19 x 6mm | 3/4" x 1/4" | 0.31 |
| 19 x 12mm | 3/4" x 1/2" | 0.62 |
| 25 x 3mm | 1" x 1/8" | 0.20 |
| 25 x 6mm | 1" x 1/4" | 0.40 |
| 25 x 12mm | 1" x 1/2" | 0.81 |
| 25 x 19mm | 1" x 3/4" | 1.28 |
| 38 x 3mm | 1.1/2" x 1/8" | 0.31 |
| 38 x 6mm | 1.1/2" x 1/4" | 0.62 |
| 38 x 12mm | 1.1/2" x 1/2" | 1.23 |
| 38 x 19mm | 1.1/2" x 3/4" | 1.95 |
| 38 x 25mm | 1.1/2" x 1" | 2.56 |
| 50 x 3mm | 2" x 1/8" | 0.40 |
| 50 x 6mm | 2" x 1/4" | 0.81 |
| 50 x 12mm | 2" x 1/2" | 1.62 |
| 50 x 19mm | 2" x 3/4" | 2.56 |
| 50 x 25mm | 2" x 1" | 3.37 |
| 75 x 6mm | 3" x 1/4" | 1.21 |
| 75 x 12mm | 3" x 1/2" | 2.43 |
| 75 x 25mm | 3" x 1" | 5.06 |
| 75 x 38mm | 3" x 1.1/2" | 7.69 |
| 100 x 6mm | 4" x 1/4" | 1.62 |
| 100 x 12mm | 4" x 1/2" | 3.24 |
| 100 x 25mm | 4" x 1" | 6.75 |
Sizes are width x thickness in mm with the imperial equivalent; all bar is 5m lengths. Popular aluminium flat bar sizes include 25mm, 38mm and 50mm aluminium flat bar up to 100mm wide. Weights are calculated at 2,700 kg/m³ — for any size use our metal weight calculator. Cut to size is available on request.
Rackerman is a UK metal supplier: buy 6063 aluminium flat bar — also known as flat aluminium bar, aluminium strip or aluminium flat section — online with fast mainland UK delivery and cut-to-size service, a convenient alternative to a local metal stockholder near you.
Key Features
- Grade 6063 T6 aluminium - excellent corrosion resistance and surface finish
- Solid flat bar in full 5m lengths
- Wide range of width and thickness combinations
- Lightweight yet strong - easy to handle, cut, drill and machine
- Suitable for indoor and outdoor use, including architectural, marine and transport applications
- Cut to size available on request
About 6063 T6 Aluminium
6063 T6 is a medium-strength architectural alloy known for its clean surface finish, high corrosion resistance and excellent workability. It is readily cut, drilled, welded and anodised, making flat bar a versatile choice for both functional and decorative fabrication.
Common Uses
Brackets and supports, trims and edging, frames and structures, fixing strips and packers, vehicle and marine components, architectural detailing, and general fabrication and DIY.
Finish
Supplied in a standard mill finish. The surface may show normal mill marking or handling marks typical of extruded aluminium bar. A brushed, polished or anodised finish (including black, silver or coloured anodised aluminium flat bar) can be applied separately if required for a decorative trim.
Compare Our Flat Bar Range
Prefer steel? Choose the right flat bar for the job: mild steel flat bar for general fabrication, galvanised flat bar for outdoor and corrosion resistance, and lightweight 6063 aluminium flat bar. See more in our aluminium grades guide.
Delivery Information
Lead times are currently 3-5 working days. Bar is supplied in 5m lengths, so suitable delivery access is required. If your order is long or heavy, please ensure someone is available to help with offloading on arrival.