公称直径 (mm) |
钢管外径*壁厚 (mm) |
外护管外径*壁厚 (mm) |
保温层壁厚 (mm) |
管重量 (kg/m) |
20 |
26.9*2.8 |
90*2.2 |
29.4 |
1.7 |
25 |
33.7*3.2 |
90*2.2 |
26.0 |
2.4 |
32 |
42.4*3.5 |
110*2.2 |
31.6 |
3.4 |
40 |
48.3*3.5 |
110*2.2 |
28.7 |
3.9 |
50 |
60.0*3.5 |
140*3.0 |
37.0 |
4.9 |
70 |
76.0*4.0 |
140*3.0 |
29.0 |
7.1 |
80 |
89.0*4.0 |
160*3.0 |
32.5 |
8.4 |
100 |
108.0*4.5 |
200*3.2 |
42.8 |
11.5 |
125 |
133.0*4.5 |
225*3.5 |
42.5 |
14.3 |
150 |
159.0*5.0 |
250*3.9 |
41.6 |
19.0 |
200 |
219.0*6.0 |
315*4.9 |
43.1 |
31.5 |
250 |
273.0*6.0 |
365*5.6 |
40.4 |
39 |