Dimensions, weight per metre and paint area
W12x230 is a wide-flange shape weighing 342.3 kg/m (230.0 lb/ft): a 12 m length weighs 4,107.6 kg. It is 383.5 mm deep and 327.7 mm wide; the web is 32.77 mm and the flanges 52.58 mm thick.
Also listed as W310X342.
| Depth h | 383.5 mm |
|---|---|
| Flange width b | 327.7 mm |
| Web thickness tw | 32.77 mm |
| Flange thickness tf | 52.58 mm |
| Weight per metre | 342.3 kg/m |
|---|---|
| Weight per foot | 230.0 lb/ft |
| Cross-section area | 436.1 cm² |
| Paint area per metre | 2.078 m²/m |
| Paint area per tonne | 6.1 m²/t |
| 1 m | 342.3 kg |
|---|---|
| 6 m | 2,053.8 kg |
| 12 m | 4,107.6 kg |
Dimensions and mass per AISC Shapes Database v16.0, 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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