Dimensions, weight per metre and paint area
W12x45 is a wide-flange shape weighing 67 kg/m (45.0 lb/ft): a 12 m length weighs 804.0 kg. It is 307.3 mm deep and 204.5 mm wide; the web is 8.51 mm and the flanges 14.6 mm thick.
Also listed as W310X67.
| Depth h | 307.3 mm |
|---|---|
| Flange width b | 204.5 mm |
| Web thickness tw | 8.51 mm |
| Flange thickness tf | 14.6 mm |
| Weight per metre | 67 kg/m |
|---|---|
| Weight per foot | 45.0 lb/ft |
| Cross-section area | 85.4 cm² |
| Paint area per metre | 1.433 m²/m |
| Paint area per tonne | 21.4 m²/t |
| 1 m | 67 kg |
|---|---|
| 6 m | 402.0 kg |
| 12 m | 804.0 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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