C200×21

Channels from CISC Structural Section Tables SST12.1.

59 mm203 mm

Outline drawn from the published dimensions. Fillets and root radii are not shown.

Dimensions

PropertyMetricImperial
Depth, d203 mm7.9921 in
Flange width, b_f59 mm2.3228 in
Web thickness, t_w7.7 mm0.30315 in
Flange thickness, t_f9.9 mm0.389764 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ14,900,000 mm⁴35.7974 in⁴
Elastic modulus, Sₓ147,000 mm³8.9705 in³
Radius of gyration, rₓ75.8 mm2.9843 in
Distance to top fibre101.5 mm3.9961 in
Distance to bottom fibre101.5 mm3.9961 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y627,000 mm⁴1.5064 in⁴
Elastic modulus, S_y13,900 mm³0.84823 in³
Radius of gyration, r_y15.5 mm0.610236 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J77,000 mm⁴0.184993 in⁴
Warping constant, C_w5.04000e+9 mm⁶18.7684 in⁶

Mass

PropertyMetricImperial
Mass per metre21 kg/m13.75 lb/ft
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