| 規格(mm) | 離心球鐵管，K9級 | 普通灰鑄管，A級 | 球管與灰管每噸鋪設長度之比(倍) | ||
| 壁厚(mm) | 每噸管可鋪設長度(m) | 壁厚(mm) | 每噸管可鋪設長度(m) | ||
| 100 | 6.1 | 63.8 | 9 | 42.6 | 1.49 |
| 150 | 6.3 | 41.67 | 9.2 | 28.41 | 1.47 |
| 200 | 6.4 | 30.93 | 10.1 | 19.7 | 1.57 |
| 250 | 6.8 | 23.53 | 11 | 14.56 | 1.62 |
| 300 | 7.2 | 18.58 | 11.9 | 11.3 | 1.64 |
| 350 | 7.7 | 14.89 | 12.8 | 9.06 | 1.64 |
| 400 | 8.1 | 12.45 | 13.8 | 7.38 | 1.69 |
| 450 | 8.1 | 10.43 | 14.7 | 6.17 | 1.69 |
| 500 | 9 | 8.97 | 15.6 | 5.24 | 1.72 |
| 600 | 9.9 | 6.8 | 17.4 | 3.92 | 1.73 |
| 700 | 10.8 | 5.34 | 19.3 | 3.03 | 1.76 |
| 800 | 11.7 | 4.3 | 21.1 | 2.43 | 1.77 |
| 900 | 12.6 | 3.55 | 22.9 | 1.99 | 1.78 |
| 1000 | 13.5 | 2.97 | 24.8 | 1.65 | 1.8 |
| 1100 | 14.4 | 2.59 | 27.9 | 1.43 | 1.8 |
| 1200 | 15.3 | 2.2 | 31 | 1.2 | 1.8 |
