Pipe12xS

Pipe sections from AISC Shapes Database v16.0. Also designated Pipe300XS.

12.75 in12.75 in

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

Dimensions

PropertyMetricImperial
Design wall thickness11.8 mm0.465 in
Nominal wall thickness12.7 mm0.5 in
Outside diameter323.8 mm12.75 in
Inside diameter300 mm11.8 in

Bending about the major axis

PropertyMetricImperial
Second moment of area, Iₓ141,000,000 mm⁴339 in⁴
Elastic modulus, Sₓ872,000 mm³53.2 in³
Plastic modulus, Zₓ1,150,000 mm³70.2 in³
Radius of gyration, rₓ110 mm4.35 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_y141,000,000 mm⁴339 in⁴
Elastic modulus, S_y872,000 mm³53.2 in³
Plastic modulus, Z_y1,150,000 mm³70.2 in³
Radius of gyration, r_y110 mm4.35 in

Torsion and warping

PropertyMetricImperial
Torsion constant, J282,000,000 mm⁴678 in⁴

Mass

PropertyMetricImperial
Mass per metre97.4 kg/m65.5 lb/ft
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