| 镀锌钢管常用规格 | |||||
| 公称口径 | 外径 | 壁厚 | 镀锌管壁黑铁管增加的重量系数 | ||
| MM | MM | MM | 普通钢管 | 加厚钢管 | |
| 6 | 10.0 | 2 | 1.0 | 1.059 | |
| 8 | 13.5 | 2.75 | 1.056 | 1.046 | |
| 10 | 17.0 | 3.50 | 1.056 | 1.046 | |
| 15 | 21.3 | 3.15 | 1.047 | 1.039 | |
| 20 | 26.8 | 3.40 | 1.046 | 1.039 | |
| 25 | 33.5 | 4.25 | 1.039 | 1.032 | |
| 32 | 42.3 | 5.15 | 1.039 | 1.032 | |
| 40 | 48.0 | 4.00 | 1.036 | 1.030 | |
| 50 | 60.0 | 5.00 | 1.036 | 1.028 | |
| 65 | 75.5 | 5.25 | 1.034 | 1.028 | |
| 80 | 88.5 | 4.25 | 1.032 | 1.027 | |
| 100 | 114.0 | 7.00 | 1.032 | 1.026 | |
| 125 | 140.0 | 7.50 | 1.028 | 1.023 | |
| 150 | 165.0 | 7.50 | 1.028 | 1.023 | |
| 说明：W=C*[0.02466*(D-S)*S] | |||||
| W--镀锌管每米重量：kg/m | |||||
| C--镀锌管比黑铁管增加的重量系数 | |||||
| D--黑铁管的外径 | |||||
| S--黑铁管的壁厚 | |||||
