C3x4.1

Dimensions, weight per metre and paint area

C3x4.1 is an American Standard channel weighing 6.1 kg/m (4.1 lb/ft): a 12 m length weighs 73.2 kg. It is 76.2 mm deep and 35.8 mm wide; the web is 4.32 mm and the flanges 6.93 mm thick.

Also listed as C75X6.1.

Dimensions

Depth h	76.2 mm
Flange width b	35.8 mm
Web thickness tw	4.32 mm
Flange thickness tf	6.93 mm

Weight and area

Weight per metre	6.1 kg/m
Weight per foot	4.1 lb/ft
Cross-section area	7.8 cm²
Paint area per metre	0.296 m²/m
Paint area per tonne	48.5 m²/t

Weight by length

1 m	6.1 kg
6 m	36.6 kg
12 m	73.2 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.