Pipe3-1/2xS

Pipe sections from AISC Shapes Database v16.0. Also designated Pipe90XS.

4 in4 in

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

Dimensions

PropertyMetricImperial
Design wall thickness7.52 mm0.296 in
Nominal wall thickness8.08 mm0.318 in
Outside diameter101.6 mm4 in
Inside diameter85.4 mm3.36 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ2,470,000 mm⁴5.94 in⁴
Elastic modulus, Sₓ48,700 mm³2.97 in³
Plastic modulus, Zₓ66,700 mm³4.07 in³
Radius of gyration, rₓ33.3 mm1.31 in
Distance to top fibre50.8 mm2 in
Distance to bottom fibre50.8 mm2 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y2,470,000 mm⁴5.94 in⁴
Elastic modulus, S_y48,700 mm³2.97 in³
Plastic modulus, Z_y66,700 mm³4.07 in³
Radius of gyration, r_y33.3 mm1.31 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J4,950,000 mm⁴11.9 in⁴

Mass

PropertyMetricImperial
Mass per metre18.6 kg/m12.5 lb/ft
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