Dimensions, weight per metre and paint area
W12x50 is a wide-flange shape weighing 74.4 kg/m (50.0 lb/ft): a 12 m length weighs 892.8 kg. It is 309.9 mm deep and 205.2 mm wide; the web is 9.4 mm and the flanges 16.26 mm thick.
Also listed as W310X74.
| Depth h | 309.9 mm |
|---|---|
| Flange width b | 205.2 mm |
| Web thickness tw | 9.4 mm |
| Flange thickness tf | 16.26 mm |
| Weight per metre | 74.4 kg/m |
|---|---|
| Weight per foot | 50.0 lb/ft |
| Cross-section area | 94.8 cm² |
| Paint area per metre | 1.441 m²/m |
| Paint area per tonne | 19.4 m²/t |
| 1 m | 74.4 kg |
|---|---|
| 6 m | 446.4 kg |
| 12 m | 892.8 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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