Dimensions, weight per metre and paint area
HN 800x300 is a narrow-flange H-section (HN series) weighing 191 kg/m: a 12 m length weighs 2,292.0 kg. It is 792 mm deep and 300 mm wide; the web is 14 mm and the flanges 22 mm thick.
| Depth h | 792 mm |
|---|---|
| Flange width b | 300 mm |
| Web thickness tw | 14 mm |
| Flange thickness tf | 22 mm |
| Weight per metre | 191 kg/m |
|---|---|
| Cross-section area | 243.3 cm² |
| Paint area per metre | 2.784 m²/m |
| Paint area per tonne | 14.6 m²/t |
| 1 m | 191 kg |
|---|---|
| 6 m | 1,146.0 kg |
| 12 m | 2,292.0 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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