| 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 | 1.064 | 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] | | | 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 |
|
|