Dimensions, weight per metre and paint area
W12x210 is a wide-flange shape weighing 312.5 kg/m (210.0 lb/ft): a 12 m length weighs 3,750.0 kg. It is 373.4 mm deep and 325.1 mm wide; the web is 29.97 mm and the flanges 48.26 mm thick.
Also listed as W310X313.
| Depth h | 373.4 mm |
|---|---|
| Flange width b | 325.1 mm |
| Web thickness tw | 29.97 mm |
| Flange thickness tf | 48.26 mm |
| Weight per metre | 312.5 kg/m |
|---|---|
| Weight per foot | 210.0 lb/ft |
| Cross-section area | 398.1 cm² |
| Paint area per metre | 2.048 m²/m |
| Paint area per tonne | 6.6 m²/t |
| 1 m | 312.5 kg |
|---|---|
| 6 m | 1,875.0 kg |
| 12 m | 3,750.0 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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