Dimensions, weight per metre and paint area
356x127x33 UB is a universal beam weighing 33.1 kg/m: a 12 m length weighs 397.2 kg. It is 349 mm deep and 125.4 mm wide; the web is 6 mm and the flanges 8.5 mm thick.
Also listed as UB356X127X33.
| Depth h | 349 mm |
|---|---|
| Flange width b | 125.4 mm |
| Web thickness tw | 6 mm |
| Flange thickness tf | 8.5 mm |
| Weight per metre | 33.1 kg/m |
|---|---|
| Cross-section area | 42.2 cm² |
| Paint area per metre | 1.200 m²/m |
| Paint area per tonne | 36.3 m²/t |
| 1 m | 33.1 kg |
|---|---|
| 6 m | 198.6 kg |
| 12 m | 397.2 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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