Pipe12xxS

Pipe sections from AISC Shapes Database v16.0. Also designated Pipe300XXS.

12.75 in12.75 in

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

Dimensions

PropertyMetricImperial
Design wall thickness23.6 mm0.93 in
Nominal wall thickness25.4 mm1 in
Outside diameter323.8 mm12.75 in
Inside diameter277 mm10.9 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ260,000,000 mm⁴625 in⁴
Elastic modulus, Sₓ1,600,000 mm³97.6 in³
Plastic modulus, Zₓ2,200,000 mm³134 in³
Radius of gyration, rₓ107 mm4.2 in
Distance to top fibre161.9 mm6.375 in
Distance to bottom fibre161.9 mm6.375 in

Bending about the minor axis

PropertyMetricImperial
Second moment of area, I_y260,000,000 mm⁴625 in⁴
Elastic modulus, S_y1,600,000 mm³97.6 in³
Plastic modulus, Z_y2,200,000 mm³134 in³
Radius of gyration, r_y107 mm4.2 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J520,000,000 mm⁴1,250 in⁴

Mass

PropertyMetricImperial
Mass per metre187 kg/m126 lb/ft
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