About Smiths

We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.


Aerospace Aluminium Tube

L118 Aerospace Aluminium Tube

L118 is an aerospace aluminium tube product based on the aluminium material designation 6061.

For Heavy Duty Structures

L118 aluminium tube is the least expensive and most versatile of the heat-treatable alloys. It is a medium to high strength heat-treatable material with very good corrosion resistance and medium fatigue strength. Supplied in the T6 annealed condition, the material is hydraulically tested and provides excellent weldability and formability, and is readily disposed to furnace brazing. The alloy is typically used in heavy-duty structures.


L118 aluminium tubes offer very good corrosion resistance. It is a medium to high strength alloy with medium fatigue strength.

Typical Applications

Commercial applications for this engineering material include:

  • Pylons & towers
  • Aircraft structures
  • Rail coaches
  • Motorboats
  • Shipbuilding
  • Truck bodies

We stock L118 in round tube.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Additional Info

A technical datasheet for L118 is available in PDF file format. To view and download, please click here.

We offer in-house processing options - for more information, please refer to our processing services.

Read our corporate brochure by clicking here.

Interested in this product?
Why not get in touch?


Click Here