Carbon Steel Pipe
For General Structural Purposes
Carbon steel pipes — nominal size, OD, thickness, weight and section properties.
Dimension Tolerance
- O.D ≤ 50 mm: ±1.5 mm
- O.D > 50 mm: ±1.5%
- Thickness < 3 mm: ±0.3 mm
- Thickness ≥ 3 mm: ±10%
- Length: +50 mm, −0 mm
Carbon Steel Pipe 1/2 (15)
0.97 kg/m
Cross Section
Schematic, not to scale · For General Structural Purposes
Dimensions
- Outside Diameter · D
- 21.7mm
- Thickness · T
- 2mm
Section Properties
Sectional Area · A
1.24cm²
Moment of Inertia · I
0.61cm⁴
Modulus of Section · Z
0.56cm³
Radius of Gyration · i
0.7cm
Show full comparison table
| 1/2 (15) | 21.7 | 2 | 0.97 | 1.24 | 0.61 | 0.56 | 0.7 |
| 3/4 (20) | 27.2 | 2 | 1.24 | 1.58 | 1.26 | 0.93 | 0.89 |
| 3/4 (20) | 2.3 | 1.41 | 1.8 | 1.41 | 1.03 | 0.88 | |
| 1 (25) | 34 | 2.3 | 1.8 | 2.29 | 2.89 | 1.7 | 1.12 |
| 1 1/4 (32) | 42.7 | 2.3 | 2.29 | 2.92 | 5.97 | 2.8 | 1.43 |
| 1 1/4 (32) | 2.5 | 2.48 | 3.16 | 6.4 | 3 | 1.42 | |
| 1 1/2 (40) | 48.6 | 2.3 | 2.63 | 3.35 | 8.99 | 3.7 | 1.64 |
| 1 1/2 (40) | 2.5 | 2.84 | 3.62 | 9.65 | 3.97 | 1.63 | |
| 1 1/2 (40) | 2.8 | 3.16 | 4.03 | 10.6 | 4.36 | 1.62 | |
| 1 1/2 (40) | 3.2 | 3.58 | 4.56 | 11.8 | 4.86 | 1.61 | |
| 2(50) | 60.5 | 2.3 | 3.3 | 4.21 | 17.8 | 5.9 | 2.06 |
| 2(50) | 3.2 | 4.52 | 5.76 | 23.7 | 7.84 | 2.03 | |
| 2(50) | 4 | 5.57 | 7.1 | 28.5 | 9.41 | 2 | |
| 2 1/2 (65) | 76.3 | 2.8 | 5.08 | 6.47 | 43.7 | 11.5 | 2.6 |
| 2 1/2 (65) | 3.2 | 5.77 | 7.35 | 49.2 | 12.9 | 2.59 | |
| 2 1/2 (65) | 4 | 7.13 | 9.09 | 59.5 | 15.6 | 2.58 | |
| 3 (80) | 89.1 | 2.8 | 5.96 | 7.59 | 70.7 | 15.9 | 3.05 |
| 3 (80) | 3.2 | 6.78 | 8.64 | 79.8 | 17.9 | 3.04 | |
| 3 1/2 (90) | 101.6 | 3.2 | 7.76 | 9.89 | 120 | 23.6 | 3.48 |
| 3 1/2 (90) | 4 | 9.63 | 12.26 | 146 | 28.8 | 3.45 | |
| 4 (100) | 114.3 | 3.2 | 8.77 | 11.17 | 172 | 30.2 | 3.93 |
| 4 (100) | 3.5 | 9.58 | 12.18 | 187 | 32.7 | 3.92 | |
| 4 (100) | 4.5 | 12.2 | 15.52 | 234 | 41 | 3.89 | |
| 5 (125) | 139.8 | 3.6 | 12.1 | 15.4 | 357 | 51.1 | 4.82 |
| 5 (125) | 4 | 13.4 | 17.07 | 394 | 56.3 | 4.8 | |
| 5 (125) | 4.5 | 15 | 19.13 | 438 | 62.7 | 4.79 | |
| 5 (125) | 6 | 19.8 | 25.22 | 566 | 80.2 | 4.74 | |
| 6 (150) | 165.2 | 4.5 | 17.8 | 22.72 | 734 | 88.9 | 5.68 |
| 6 (150) | 5 | 19.8 | 25.16 | 808 | 97.8 | 5.67 | |
| 6 (150) | 6 | 23.6 | 30.01 | 952 | 115 | 5.63 | |
| 6 (150) | 7.1 | 27.7 | 35.26 | 1100 | 134 | 5.6 | |
| 8 (200) | 216.3 | 4.5 | 23.5 | 29.94 | 1680 | 155 | 7.49 |
| 8 (200) | 5.8 | 30.1 | 38.36 | 2130 | 197 | 7.45 | |
| 8 (200) | 7 | 36.1 | 46.03 | 2520 | 233 | 7.4 | |
| 8 (200) | 8.2 | 42.1 | 53.61 | 2910 | 269 | 7.36 |