Pipe12STD
Pipe sections from AISC Shapes Database v16.0. Also designated Pipe300STD.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 8.86 mm | 0.349 in |
| Nominal wall thickness | 9.53 mm | 0.375 in |
| Outside diameter | 323.8 mm | 12.75 in |
| Inside diameter | 305 mm | 12 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 109,000,000 mm⁴ | 262 in⁴ |
| Elastic modulus, Sₓ | 672,000 mm³ | 41 in³ |
| Plastic modulus, Zₓ | 880,000 mm³ | 53.7 in³ |
| Radius of gyration, rₓ | 112 mm | 4.39 in |
| Distance to top fibre | 161.9 mm | 6.375 in |
| Distance to bottom fibre | 161.9 mm | 6.375 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 109,000,000 mm⁴ | 262 in⁴ |
| Elastic modulus, S_y | 672,000 mm³ | 41 in³ |
| Plastic modulus, Z_y | 880,000 mm³ | 53.7 in³ |
| Radius of gyration, r_y | 112 mm | 4.39 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 218,000,000 mm⁴ | 523 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 73.8 kg/m | 49.6 lb/ft |