Pipe20STD
Pipe sections from AISC Shapes Database v16.0. Also designated Pipe500STD.
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 | 508 mm | 20 in |
| Inside diameter | 490 mm | 19.3 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 433,000,000 mm⁴ | 1,040 in⁴ |
| Elastic modulus, Sₓ | 1,700,000 mm³ | 104 in³ |
| Plastic modulus, Zₓ | 2,210,000 mm³ | 135 in³ |
| Radius of gyration, rₓ | 177 mm | 6.95 in |
| Distance to top fibre | 254 mm | 10 in |
| Distance to bottom fibre | 254 mm | 10 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 433,000,000 mm⁴ | 1,040 in⁴ |
| Elastic modulus, S_y | 1,700,000 mm³ | 104 in³ |
| Plastic modulus, Z_y | 2,210,000 mm³ | 135 in³ |
| Radius of gyration, r_y | 177 mm | 6.95 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 870,000,000 mm⁴ | 2,090 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 117 kg/m | 78.7 lb/ft |