W920×521

Wide flange from CISC Structural Section Tables SST12.1.

319 mm981 mm

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

Dimensions

PropertyMetricImperial
Depth, d981 mm38.622 in
Flange width, b_f319 mm12.5591 in
Web thickness, t_w33 mm1.2992 in
Flange thickness, t_f58.9 mm2.3189 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ9.82000e+9 mm⁴23,592.644 in⁴
Elastic modulus, Sₓ20,000,000 mm³1,220.475 in³
Plastic modulus, Zₓ23,600,000 mm³1,440.16 in³
Radius of gyration, rₓ385 mm15.1575 in
Distance to top fibre490.5 mm19.311 in
Distance to bottom fibre490.5 mm19.311 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y321,000,000 mm⁴771.2056 in⁴
Elastic modulus, S_y2,010,000 mm³122.6577 in³
Plastic modulus, Z_y3,240,000 mm³197.7169 in³
Radius of gyration, r_y69.6 mm2.7402 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J53,400,000 mm⁴128.294 in⁴
Warping constant, C_w6.83000e+13 mm⁶254,342.189 in⁶

Mass

PropertyMetricImperial
Mass per metre521 kg/m350 lb/ft
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