Pipe1-1/4STD
Pipe sections from AISC Shapes Database v16.0. Also designated Pipe32STD.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Design wall thickness | 3.3 mm | 0.13 in |
| Nominal wall thickness | 3.56 mm | 0.14 in |
| Outside diameter | 42.2 mm | 1.66 in |
| Inside diameter | 35.1 mm | 1.38 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 76,600 mm⁴ | 0.184 in⁴ |
| Elastic modulus, Sₓ | 3,640 mm³ | 0.222 in³ |
| Plastic modulus, Zₓ | 5,000 mm³ | 0.305 in³ |
| Radius of gyration, rₓ | 13.8 mm | 0.543 in |
| Distance to top fibre | 21.1 mm | 0.83 in |
| Distance to bottom fibre | 21.1 mm | 0.83 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 76,600 mm⁴ | 0.184 in⁴ |
| Elastic modulus, S_y | 3,640 mm³ | 0.222 in³ |
| Plastic modulus, Z_y | 5,000 mm³ | 0.305 in³ |
| Radius of gyration, r_y | 13.8 mm | 0.543 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 153,000 mm⁴ | 0.368 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 3.38 kg/m | 2.27 lb/ft |