Kindly refer table below for the Galvanized Iron pipe classes with all sizes & weight information. Please note Class A, B & C are Threaded, only Class AA is Unthreaded.
| Size | mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
| Class | In | ½” | ¾” | 1″ | 1¼” | 1½” | 2″ | 2½” | 3″ | 4″ | 5″ | 6″ |
| A | Thickness (mm) | 2.0 | 2.3 | 2.6 | 2.6 | 2.9 | 2.9 | 3.2 | 3.2 | 3.6 | – | – |
| Outer Diameter (mm) | 21.4 | 25.9 | 33.8 | 42.5 | 48.4 | 60.2 | 76.0 | 88.7 | 113.9 | – | – | |
| Weight per Lth (kg/6m) | 5.74 | 8.34 | 12.00 | 15.42 | 19.62 | 24.90 | 34.98 | 41.34 | 60.0 | – | – | |
| Size | mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
| Class | In | ½” | ¾” | 1″ | 1¼” | 1½” | 2″ | 2½” | 3″ | 4″ | 5″ | 6″ |
| B | Thickness (mm) | 2.6 | 2.6 | 3.2 | 3.2 | 3.2 | 3.6 | 3.6 | 4.0 | 4.5 | 5.0 | 5.0 |
| Outer Diameter (mm) | 21.7 | 27.2 | 34.2 | 42.9 | 48.8 | 60.8 | 76.6 | 89.5 | 114.9 | 140.6 | 166.1 | |
| Weight per Lth (kg/6m) | 7.32 | 9.42 | 14.58 | 18.78 | 21.66 | 30.60 | 39.30 | 51.24 | 75.00 | 102.60 | 121.80 | |
| Size | mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
| Class | In | ½” | ¾” | 1″ | 1¼” | 1½” | 2″ | 2½” | 3″ | 4″ | 5″ | 6″ |
| C | Thickness (mm) | 3.2 | 3.2 | 4.0 | 4.0 | 4.0 | 4.5 | 4.5 | 5.0 | 5.4 | 5.4 | 5.4 |
| Outer Diameter (mm) | 21.7 | 27.2 | 34.2 | 42.9 | 48.8 | 60.8 | 76.6 | 89.5 | 114.9 | 140.6 | 166.1 | |
| Weight per Lth (kg/6m) | 8.70 | 11.28 | 17.88 | 22.98 | 26.52 | 37.56 | 48.30 | 63.00 | 88.80 | 110.40 | 131.40 |