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1、钢管的管径是指：管的外径与管的内径之平均值当作管径称呼。
2、常用无缝钢管标准管径规格表大全
|
管径 DN |
外径 mm |
壁厚及每米重量 | |||||||
|
Sch.5S |
Sch.10S |
Sch.20S |
Sch.40S | ||||||
|
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m | ||
|
20 |
25 |
1.6 |
0.933 |
2.0 |
1.15 |
|
|
|
|
|
25 |
32 |
1.6 |
1.21 |
2.9 |
2.10 |
|
|
3.2 |
2.30 |
|
32 |
38 |
1.6 |
1.45 |
2.9 |
2.54 |
3.2 |
2.77 |
3.6 |
3.08 |
|
40 |
45 |
1.6 |
1.73 |
2.9 |
3.04 |
3.2 |
3.33 |
3.6 |
3.71 |
|
50 |
57 |
1.6 |
2.21 |
2.9 |
3.91 |
3.2 |
4.29 |
4.0 |
5.28 |
|
65 |
76 |
2.0 |
3.69 |
3.2 |
5.80 |
4.5 |
8.01 |
5.0 |
8.84 |
|
80 |
89 |
2.0 |
v4.33 |
3.2 |
6.84 |
4.5 |
9.47 |
5.6 |
11.6 |
|
100 |
108 |
2.0 |
5.28 |
3.2 |
8.35 |
5.0 |
12.8 |
6.3 |
15.9 |
|
125 |
133 |
2.9 |
9.40 |
3.6 |
11.6 |
5.0 |
15.9 |
6.3 |
19.9 |
|
150 |
159 |
2.9 |
11.3 |
3.6 |
13.9 |
5.6 |
21.4 |
7.1 |
26.9 |
|
200 |
219 |
2.9 |
15.6 |
4.0 |
21.4 |
6.3 |
33.4 |
8.0 |
42.1 |
|
250 |
273 |
3.6 |
24.2 |
4.0 |
26.8 |
6.3 |
41.9 |
8.8 |
57.9 |
|
300 |
325 |
4.0 |
32.0 |
4.5 |
35.9 |
6.3 |
50.0 |
10.0 |
78.5 |
|
350 |
377 |
4.0 |
37.2 |
5.0 |
46.3 |
8.0 |
73.5 |
12.0 |
109.1 |
|
400 |
426 |
4.0 |
42.0 |
5.0 |
52.4 |
8.0 |
83.3 |
12.0 |
123.8 |
|
450 |
457 |
4.0 |
45.10 |
5.0 |
56.30 |
8.0 |
89.48 |
14.3 |
157.70 |
|
500 |
508 |
5.0 |
507.38 |
5.6 |
507.22 |
10.0 |
505.51 |
15.0 |
502.40 |
|
550 |
559 |
5.0 |
558.38 |
5.6 |
558.22 |
10.0 |
556.51 |
16 |
552.62 |
|
600 |
610 |
5.5 |
82.82 |
6.3 |
94.74 |
10.0 |
149.46 |
17.5 |
258.29 |
|
700 |
711 |
5.5 |
710.25 |
8.0 |
709.41 |
12.7 |
706.98 |
17.5 |
703.37 |
|
750 |
762 |
6.5 |
760.95 |
8.0 |
760.41 |
12.7 |
757.98 |
17.5 |
754.37 |
|
800 |
813 |
|
|
8.0 |
811.41 |
12.7 |
808.98 |
17.5 |
805.37 |
|
850 |
864 |
|
|
8.0 |
862.41 |
12.7 |
859.98 |
17.5 |
856.37 |
|
900 |
914 |
|
|
8.0 |
912.41 |
12.7 |
909.98 |
19.0 |
905.01 |
|
1000 |
1016 |
|
|
10.0 |
1013.51 |
14.3 |
1010.91 |
26.2 |
998.90 |
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