|
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 | ||||
|
S--黑铁管的壁厚 | ||||