W310×143

Wide flange from CISC Structural Section Tables SST12.1.

309 mm323 mm

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

Dimensions

PropertyMetricImperial
Depth, d323 mm12.7165 in
Flange width, b_f309 mm12.1654 in
Web thickness, t_w14 mm0.551181 in
Flange thickness, t_f22.9 mm0.901575 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ348,000,000 mm⁴836.0733 in⁴
Elastic modulus, Sₓ2,150,000 mm³131.2011 in³
Plastic modulus, Zₓ2,420,000 mm³147.6775 in³
Radius of gyration, rₓ138 mm5.4331 in
Distance to top fibre161.5 mm6.3583 in
Distance to bottom fibre161.5 mm6.3583 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y113,000,000 mm⁴271.4836 in⁴
Elastic modulus, S_y729,000 mm³44.4863 in³
Plastic modulus, Z_y1,110,000 mm³67.7364 in³
Radius of gyration, r_y78.6 mm3.0945 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J2,860,000 mm⁴6.8712 in⁴
Warping constant, C_w2.54000e+12 mm⁶9,458.699 in⁶

Mass

PropertyMetricImperial
Mass per metre143 kg/m96 lb/ft
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