Dimensions, weight per metre and paint area
W18x143 is a wide-flange shape weighing 212.8 kg/m (143.0 lb/ft): a 12 m length weighs 2,553.6 kg. It is 495.3 mm deep and 284.5 mm wide; the web is 18.54 mm and the flanges 33.53 mm thick.
Also listed as W460X213.
| Depth h | 495.3 mm |
|---|---|
| Flange width b | 284.5 mm |
| Web thickness tw | 18.54 mm |
| Flange thickness tf | 33.53 mm |
| Weight per metre | 212.8 kg/m |
|---|---|
| Weight per foot | 143.0 lb/ft |
| Cross-section area | 271.1 cm² |
| Paint area per metre | 2.129 m²/m |
| Paint area per tonne | 10.1 m²/t |
| 1 m | 212.8 kg |
|---|---|
| 6 m | 1,276.8 kg |
| 12 m | 2,553.6 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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