S510×128

American standard beams from CISC Structural Section Tables SST12.1.

179 mm516 mm

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

Dimensions

PropertyMetricImperial
Depth, d516 mm20.315 in
Flange width, b_f179 mm7.0472 in
Web thickness, t_w16.8 mm0.661417 in
Flange thickness, t_f23.4 mm0.92126 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ658,000,000 mm⁴1,580.851 in⁴
Elastic modulus, Sₓ2,550,000 mm³155.6105 in³
Plastic modulus, Zₓ3,010,000 mm³183.6815 in³
Radius of gyration, rₓ200 mm7.874 in
Distance to top fibre258 mm10.1575 in
Distance to bottom fibre258 mm10.1575 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y19,200,000 mm⁴46.1282 in⁴
Elastic modulus, S_y214,000 mm³13.0591 in³
Plastic modulus, Z_y378,000 mm³23.067 in³
Radius of gyration, r_y34.2 mm1.3465 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J2,770,000 mm⁴6.655 in⁴
Warping constant, C_w1.16000e+12 mm⁶4,319.721 in⁶

Mass

PropertyMetricImperial
Mass per metre128 kg/m86 lb/ft
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