Dimensions, weight per metre and paint area
HW 250x255 is a wide-flange H-section (HW series) weighing 82.2 kg/m: a 12 m length weighs 986.4 kg. It is 250 mm deep and 255 mm wide; the web is 14 mm and the flanges 14 mm thick.
| Depth h | 250 mm |
|---|---|
| Flange width b | 255 mm |
| Web thickness tw | 14 mm |
| Flange thickness tf | 14 mm |
| Weight per metre | 82.2 kg/m |
|---|---|
| Cross-section area | 104.7 cm² |
| Paint area per metre | 1.520 m²/m |
| Paint area per tonne | 18.5 m²/t |
| 1 m | 82.2 kg |
|---|---|
| 6 m | 493.2 kg |
| 12 m | 986.4 kg |
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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