Dimensions, weight per metre and paint area
C 180x75x7x10.5 is a channel weighing 21.4 kg/m: a 12 m length weighs 256.8 kg. It is 180 mm deep and 75 mm wide; the web is 7 mm and the flanges 10.5 mm thick.
| Depth h | 180 mm |
|---|---|
| Flange width b | 75 mm |
| Web thickness tw | 7 mm |
| Flange thickness tf | 10.5 mm |
| Weight per metre | 21.4 kg/m |
|---|---|
| Cross-section area | 27.3 cm² |
| Paint area per metre | 0.660 m²/m |
| Paint area per tonne | 30.9 m²/t |
| 1 m | 21.4 kg |
|---|---|
| 6 m | 128.4 kg |
| 12 m | 256.8 kg |
Dimensions and mass per JIS G 3192, 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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