Cast Iron ClassB Pipe Data
Reference table for Cast Iron ClassB pipe dimensions and properties.
Cast Iron ClassB Dimensions
Inner dimensions, outer diameter, and weights.
| Nominal Size (Metric) | Nominal Size (Imperial) | Wall Thickness (in) | Outer Diameter (in) | Weight (lbs/ft) |
|---|---|---|---|---|
| 80 mm | 3" | 0.42 | 3.96 | 14.481 |
| 100 mm | 4" | 0.45 | 5 | 19.943 |
| 150 mm | 6" | 0.48 | 7.1 | 30.95 |
| 200 mm | 8" | 0.51 | 9.05 | 42.422 |
| 250 mm | 10" | 0.57 | 11.1 | 58.461 |
| 300 mm | 12" | 0.62 | 13.2 | 75.968 |
| 350 mm | 14" | 0.66 | 15.3 | 94.112 |
| 400 mm | 16" | 0.7 | 17.4 | 113.861 |
| 450 mm | 18" | 0.75 | 19.5 | 136.969 |
| 500 mm | 20" | 0.8 | 21.6 | 162.074 |
| 600 mm | 24" | 0.89 | 25.8 | 215.935 |
| 750 mm | 30" | 1.03 | 32 | 310.698 |
| 900 mm | 36" | 1.15 | 38.3 | 416.118 |
| 1050 mm | 42" | 1.28 | 44.5 | 538.833 |
| 1200 mm | 48" | 1.42 | 50.8 | 682.966 |
| 1400 mm | 54" | 1.55 | 57.1 | 838.64 |
| 1500 mm | 60" | 1.67 | 63.4 | 1004.09 |
| 1800 mm | 72" | 1.95 | 76 | 1406.434 |
| 2100 mm | 84" | 2.22 | 88.54 | 1866.484 |