Dimensions, weight per metre and paint area
305x305x137 UC is a universal column weighing 137 kg/m: a 12 m length weighs 1,644.0 kg. It is 320.5 mm deep and 309.2 mm wide; the web is 13.8 mm and the flanges 21.7 mm thick.
Also listed as UC305X305X137.
| Depth h | 320.5 mm |
|---|---|
| Flange width b | 309.2 mm |
| Web thickness tw | 13.8 mm |
| Flange thickness tf | 21.7 mm |
| Weight per metre | 137 kg/m |
|---|---|
| Cross-section area | 174.5 cm² |
| Paint area per metre | 1.878 m²/m |
| Paint area per tonne | 13.8 m²/t |
| 1 m | 137 kg |
|---|---|
| 6 m | 822.0 kg |
| 12 m | 1,644.0 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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