Nominal Bore | Outside Diameter | Light (A-Class) Thickness Weight | Medium (B-Class) Thickness Weight | Heavy (C-Class) Thickness Weight | |||||
Inch | mm | Inch | mm | mm | kg/mtr | mm | kg/mtr | mm | kg/mtr |
1/8″ | 3 mm | 0.406 | 10.32 | 1.80 | 0.361 | 2.00 | 2.65 | 0.493 | |
1/4″ | 6 mm | 0.532 | 13.49 | 1.80 | 0.517 | 2.35 | 0.407 | 2.90 | 0.769 |
3/8″ | 10 mm | 0.872 | 17.10 | 1.80 | 0.674 | 2.35 | 0.852 | 2.90 | 1.02 |
1/2″ | 15 mm | 0.844 | 21.43 | 2.00 | 0.952 | 2.65 | 1.122 | 3.25 | 1.45 |
3/4″ | 20 mm | 1.094 | 27.20 | 2.35 | 1.410 | 2.65 | 1.580 | 3.25 | 1.90 |
1″ | 25 mm | 1.312 | 33.80 | 2.65 | 2.010 | 3.25 | 2.440 | 4.05 | 2.97 |
1.1/4″ | 32 mm | 1.656 | 42.90 | 2.65 | 2.580 | 3.25 | 3.140 | 4.05 | 3.84 |
1.1/2″ | 40 mm | 1.906 | 48.40 | 2.90 | 3.250 | 3.25 | 3.610 | 4.05 | 4.43 |
2″ | 50 mm | 2.375 | 60.30 | 2.90 | 4.110 | 3.65 | 5.100 | 4.47 | 6.17 |
2.1/2″ | 65 mm | 3.004 | 76.20 | 3.25 | 5.840 | 3.65 | 6.610 | 4.47 | 7.90 |
3″ | 80 mm | 3.500 | 88.90 | 3.25 | 6.810 | 4.05 | 8.470 | 4.85 | 10.1 |
4″ | 100 mm | 4.500 | 114.30 | 3.65 | 9.890 | 4.50 | 12.10 | 5.40 | 14.4 |
5″ | 125 mm | 5.500 | 139.70 | – | – | 4.85 | 16.20 | 5.40 | 17.8 |
6″ | 150 mm | 6.500 | 165.10 | – | – | 4.85 | 19.20 | 5.40 | 21.2 |