Dimensions, weight per metre and paint area
C3x5 is an American Standard channel weighing 7.4 kg/m (5.0 lb/ft): a 12 m length weighs 88.8 kg. It is 76.2 mm deep and 38.1 mm wide; the web is 6.55 mm and the flanges 6.93 mm thick.
Also listed as C75X7.4.
| Depth h | 76.2 mm |
|---|---|
| Flange width b | 38.1 mm |
| Web thickness tw | 6.55 mm |
| Flange thickness tf | 6.93 mm |
| Weight per metre | 7.4 kg/m |
|---|---|
| Weight per foot | 5.0 lb/ft |
| Cross-section area | 9.4 cm² |
| Paint area per metre | 0.305 m²/m |
| Paint area per tonne | 41.2 m²/t |
| 1 m | 7.4 kg |
|---|---|
| 6 m | 44.4 kg |
| 12 m | 88.8 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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