MC8x21.4

Dimensions, weight per metre and paint area

MC8x21.4 is a miscellaneous channel weighing 31.8 kg/m (21.4 lb/ft): a 12 m length weighs 381.6 kg. It is 203.2 mm deep and 87.6 mm wide; the web is 9.52 mm and the flanges 13.33 mm thick.

Also listed as MC200X31.8.

Dimensions

Depth h	203.2 mm
Flange width b	87.6 mm
Web thickness tw	9.52 mm
Flange thickness tf	13.33 mm

Weight and area

Weight per metre	31.8 kg/m
Weight per foot	21.4 lb/ft
Cross-section area	40.5 cm²
Paint area per metre	0.757 m²/m
Paint area per tonne	23.8 m²/t

Weight by length

1 m	31.8 kg
6 m	190.8 kg
12 m	381.6 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.