Dimensions, weight per metre and paint area
UPN 400 is a channel with tapered flanges weighing 71.8 kg/m: a 12 m length weighs 861.6 kg. It is 400 mm deep and 110 mm wide; the web is 14 mm and the flanges 18 mm thick.
| Depth h | 400 mm |
|---|---|
| Flange width b | 110 mm |
| Web thickness tw | 14 mm |
| Flange thickness tf | 18 mm |
| Weight per metre | 71.8 kg/m |
|---|---|
| Cross-section area | 91.5 cm² |
| Paint area per metre | 1.240 m²/m |
| Paint area per tonne | 17.3 m²/t |
| 1 m | 71.8 kg |
|---|---|
| 6 m | 430.8 kg |
| 12 m | 861.6 kg |
Dimensions and mass per EN 10365, from Steel Optimizer's verified section library. Area is worked out from the mass at 7,850 kg/m³. Paint area counts the outside perimeter with square corners and ignores root radii, so it is on the safe side: typically 2–5 % above catalogue surface areas.
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