Dimensions, weight per metre and paint area
457x191x82 UB is a universal beam weighing 82 kg/m: a 12 m length weighs 984.0 kg. It is 460 mm deep and 191.3 mm wide; the web is 9.9 mm and the flanges 16 mm thick.
Also listed as UB457X191X82.
| Depth h | 460 mm |
|---|---|
| Flange width b | 191.3 mm |
| Web thickness tw | 9.9 mm |
| Flange thickness tf | 16 mm |
| Weight per metre | 82 kg/m |
|---|---|
| Cross-section area | 104.5 cm² |
| Paint area per metre | 1.686 m²/m |
| Paint area per tonne | 20.6 m²/t |
| 1 m | 82 kg |
|---|---|
| 6 m | 492.0 kg |
| 12 m | 984.0 kg |
Dimensions and mass per BS 4-1, 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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