Rectangular Tube / Box Section

Rectangular Aluminium Tube, is also commonly known as Aluminium Box Section or Aluminium Rectangular Hollow Section.
Our Aluminium Box Section is extruded in a mixture of grades 6063T6 and 6082T6. Being extruded means that the tubes are truly seamless and are perfectly square, which makes them great for use as straight edges as used by brick layers, builders, plasterers, tilers, block pavers and other tradesmen.

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Trade Account

Credit accounts & discounts area available. Simply get in tocuh and speak to us directly.

Free Cutting Service

1 x Free Cut - per line item purchased - receive the item at the exact length required for the job

Folding Service

We are able to offer our Aluminium Sheets & Chequer Plates and Stainless Steel Sheets folded to the customers specifications

4.9
Based on 627 reviews
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Lee Turner
20:54 25 Mar 25
James Christelow
20:23 24 Mar 25
Exactly as ordered, very pleased with purchase and prompt delivery
Barracuda UK
10:11 19 Mar 25
Right price, right delivery, website is great. no issues. Can't ask for any more.
mick sollis
18:26 18 Mar 25
Have used a few times great service and cost will be using again.
V Tazey
17:42 12 Mar 25
I can't fault them. I needed stainless steel rods to create a fram to net over our fish pond. Quickly and safely delivered, just the job, thanks
Ron Vass
09:44 19 Feb 25
Truly excellent service for such a small job!I needed some small rectangular aluminium sheets made up to use as Tiller Hoods to fix the tiller to the rudder for a Mirror Dinghy! The 1mm thick 200mm x 100mm sheets were just £1.07 each excluding vat and as the postage was 3x that amount I decided to order 10 for future projects! 1st Choice Metals provided a superb very cost effective service and cut the sheets with quick delivery.I am truly delighted with them.
Richard Abraham
19:35 18 Feb 25
Easy to navigate website and hassle free purchase. Excellent customer service when item delivered was damaged by delivery service, replaced immediately without fuss. I hope they got compensation from courier.
Adam G
13:49 18 Feb 25
Fast and friendly staff, use them for materials for work and never had a problem with supply. The cutting service is a big help too, I can just order what i need, pick it up and fit, no faffing about.
Lauren Pots
12:00 25 Sep 24
I bought a plate of brass 3mm thick to be used on a drawing board. It was dispatched very quickly and packaged against a wooden board in order that it didn’t get damaged. Brilliant service, thank you.

Aluminium Box Section has excellent corrosion resistance – it is perfect for outdoor applications as it will not rust. It is a lightweight product, just 1/3rd of the weight of steel box section, and it is excellent for welding. Therefore, aluminium box section is often used to manufacture welded frames and bearers for applications such as commercial vehicle bodies, trailers, horse boxes and caravans. Should you require your Aluminium Box Section cut and welded, please contact us for a quote.

We are UK suppliers of Aluminium Box Section cut to size – simply select the nearest length from the drop down menu and then follow the instructions on screen to get your Aluminium Box Section cut back to your required length, Free Of Charge.

We also stock Plastic End Caps for some sizes of Rectangular Aluminium Box Section – these are ideal to complete your project and give it that finished, professional look.

End caps are available to suit the following sizes of Aluminium Square Tube Box Section:

1” x ½” x 16swg

1.1/2” x ¾” x 16swg

2”” x 1” x 10swg

When measuring Aluminium Box Section, it is important to remember that the quoted sizes are external. If the internal hole size is important for your application, please see the table below…..

   Imperial Size

(Outside dimensions x Wall Thickness)

             Metric Size

(Outside Dims x Wall Thickness)

Nominal

 Internal     

   Dims.

1” x ½” x 16swg 25.4mm x 12.7mm x 1.63mm 22.14mm x 9.44mm
1.1/2” x ¾” x 16swg 38.1mm x 19.05mm x 1.63mm 34.84mm x 15.79mm
2” x 1” x 10swg 50.8mm x 25.4mm x 3.26mm 44.28mm x 18.88mm
     2” x 1.1/2” x 10swg 50.8mm x 38.1mm x 3.26mm 44.28mm x 31.58mm
  3” x 1” x 10swg 76.2mm x 25.4mm x 3.26mm 69.68mm x 18.88mm
 4” x 1” x 10swg 101.6mm x 25.4mm x 3.26mm 95.08mm x 18.88mm
4” x 2” x 10swg 101.6mm x 50.8mm x 3.26mm 95.08mm x 44.28mm