What is the cutting tolerance?

Cut lengths are held within plus or minus 2 millimetres. The exact tolerance is stated on each product page.

Can I get a material certificate?

Yes. The 3.1 inspection certificate is available for every reference and can be downloaded from your order once it has shipped.

What is the maximum length I can order?

Standard tubes are 6 metres long. Longer lengths depend on the section and are quoted by your agency.

L-finned tube

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Length (mm)

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Shape Name

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Choosing within this range

Every reference of this range states its section, wall thickness and grade. Two points help you pick the right one.

Reading a tube designation

A designation gives the outer dimensions and the wall thickness in millimetres, then the grade. Check the inner dimension when a part must slide inside.

Finish and weld seam

Hot-finished tubes keep a raw surface. Cold-formed tubes have sharper corners and a visible internal seam that can matter for tight fits.

Frequently asked questions

What our customers ask before ordering a tube.

L-finned tubes are produced by continuous forming and welding, without addition of material, of hot-rolled strip pickled and oiled: in standard lengths of 6 metres and thicknesses of 1.5 to 2 mm. These L-finned tubes can have normal or offset fins of 15 and 20 mm. They are often used in metal joinery work (windows, doors, skylights and also in bodywork and urban furniture).