Viwiko vya chuma vya Carbon
45°,90°NA 180°KIWIKO CHA CHUMA CHA CARBON
Kawaida: ASME/ANSI B16.9 / ASTM A235
Daraja: WPB; WPC
45° Kiwiko
90 ° Kiwiko
180 ° Kiwiko
| Kipenyo cha Nje | Unene wa Ukuta (mm) | Uzito wa Kinadharia | |||
| 45° | 90° | 180° | |||
| INCHI | MM | SCH40 | KG | KG | KG |
| 1/2 | 21.3 | 2.77 | 0.04 | 0.08 | 0.16 |
| 3/4 | 26.7 | 2.87 | 0.05 | 0.1 | 0.21 |
| 1 | 33.4 | 3.38 | 0.08 | 0.16 | 0.3 |
| 1 1/4 | 42.2 | 3.56 | 0.13 | 0.25 | 0.5 |
| 1 1/2 | 48.3 | 3.68 | 0.18 | 0.38 | 0.72 |
| 2 | 60.3 | 3.91 | 0.38 | 0.65 | 1.3 |
| 2 1/2 | 73.0 | 5.16 | 0.65 | 1.29 | 2.58 |
| 3 | 88.9 | 5.49 | 1.02 | 2.03 | 4.06 |
| 3 1/2 | 101.6 | 5.74 | 1.22 | 2.45 | 4.87 |
| 4 | 114.3 | 6.02 | 1.93 | 3.85 | 7.1 |
| 5 | 141.3 | 6.55 | 3.26 | 6.51 | 13.6 |
| 6 | 168.3 | 7.11 | 6.06 | 10.1 | 20.2 |
| 8 | 219.1 | 8.18 | 7.96 | 18.9 | 21.8 |
| 10 | 273.1 | 9.27 | 12.5 | 25 | 50 |
| 12 | 323.9 | 9.53 | 38.6 | 66.1 | 108 |
| 14 | 355.6 | 9.53 | 34.1 | 68.1 | 136 |
| 16 | 406.4 | 9.53 | 44.7 | 39.3 | 179 |
| 18 | 457.2 | 9.53 | 56.5 | 113 | 226 |
| 20 | 508 | 9.53 | 70 | 140 | 230 |
| 22 | 558.8 | 9.53 | 77 | 170 | 340 |
| 24 | 609.6 | 9.53 | 101 | 202 | 404 |
| 26 | 660.4 | 9.53 | 119 | 238 | 476 |
