Dimensions, weight per metre and paint area
HW 350x350 is a wide-flange H-section (HW series) weighing 137 kg/m: a 12 m length weighs 1,644.0 kg. It is 350 mm deep and 350 mm wide; the web is 12 mm and the flanges 19 mm thick.
| Depth h | 350 mm |
|---|---|
| Flange width b | 350 mm |
| Web thickness tw | 12 mm |
| Flange thickness tf | 19 mm |
| Weight per metre | 137 kg/m |
|---|---|
| Cross-section area | 174.5 cm² |
| Paint area per metre | 2.100 m²/m |
| Paint area per tonne | 15.4 m²/t |
| 1 m | 137 kg |
|---|---|
| 6 m | 822.0 kg |
| 12 m | 1,644.0 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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