Dimensions, weight per metre and paint area
C9x20 is an American Standard channel weighing 29.8 kg/m (20.0 lb/ft): a 12 m length weighs 357.6 kg. It is 228.6 mm deep and 67.3 mm wide; the web is 11.38 mm and the flanges 10.49 mm thick.
Also listed as C230X30.
| Depth h | 228.6 mm |
|---|---|
| Flange width b | 67.3 mm |
| Web thickness tw | 11.38 mm |
| Flange thickness tf | 10.49 mm |
| Weight per metre | 29.8 kg/m |
|---|---|
| Weight per foot | 20.0 lb/ft |
| Cross-section area | 38.0 cm² |
| Paint area per metre | 0.727 m²/m |
| Paint area per tonne | 24.4 m²/t |
| 1 m | 29.8 kg |
|---|---|
| 6 m | 178.8 kg |
| 12 m | 357.6 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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