Reply To: Scaling up to scaffold tubing…

#2810
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Roderick
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Ok, Here are a few :

Plumbing : copper tubes (tapwater) and galvanised steel tubes (central heating)
come in sizes/diameters : 12, 15, 22, 28 and 35mm (wall thickness steel : 1,25 or 1,5 mm)

Scaffold tube (6 meter lengths / diameter = outside diameter)
Galvanised Steel

Diameter tube: 26,9 mm / wall thicknes: 2,65 mm
Diameter tube: 33,7 mm / wall thicknes: 3,25 mm
Diameter tube: 42,4 mm / wall thicknes: 3,25 mm
Diameter tube: 48,3 mm / wall thicknes: 3,25 mm
Diameter tube: 60,3 mm / wall thicknes: 3,65 mm

Aluminium

Diameter tube: 27 mm / wall: 2,5 mm
Diameter tube: 33 mm / wall: 3 mm
Diameter tube: 42 mm / wall: 3 mm
Diameter tube: 48 mm / wall: 3 mm
Diameter tube: 60 mm / Wall: 3 mm

The international version is now 25MM. These tubes are available but not very common.
25mm is mostly used for showroom/display/wardrobe tubing and are available in aluminium, or coated steel (like : 25mm chrome coated steel / 2 mm wall)