常用镀锌无缝管规格
|
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 | 1.064 | 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] | |||
| 注释 | 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 | ||||
