不锈钢管管内理论爆破压力和许用压力参数表
公称外径 |
外径 |
壁厚 |
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0.065 |
0.083 |
0.109 |
0.113 |
0.120 |
0.133 |
0.134 |
0.140 |
0.145 |
0.148 |
0.154 |
0.156 |
0.165 |
0.180 |
0.188 |
0.203 |
0.216 |
0.218 |
0.226 |
0.237 |
0.258 |
0.280 |
0.322 |
0.365 |
0.375 |
0.437 |
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DN |
NPS |
in |
mm |
1.65 |
2.11 |
2.77 |
2.87 |
3.05 |
3.38 |
3.40 |
3.56 |
3.68 |
3.76 |
3.91 |
3.96 |
4.19 |
4.57 |
4.78 |
5.16 |
5.49 |
5.54 |
5.74 |
6.02 |
6.55 |
7.11 |
8.18 |
9.27 |
9.52 |
11.10 |
15 |
1/2 |
0.840 |
21.34 |
80.41 |
102.83 |
135.00 |
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20 |
3/4 |
1.050 |
26.67 |
64.34 |
82.28 |
108.02 |
111.92 |
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25 |
1 |
1.315 |
33.40 |
51.38 |
65.70 |
86.25 |
89.37 |
94.97 |
105.5 |
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32 |
11/4 |
1.660 |
42.16 |
40.70 |
52.05 |
68.33 |
70.80 |
75.24 |
83.38 |
83.87 |
87.82 |
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40 |
11/2 |
1.900 |
48.26 |
35.56 |
45.47 |
59.69 |
61.85 |
65.73 |
72.84 |
73.27 |
76.72 |
79.30 |
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50 |
2 |
2.375 |
60.33 |
28.44 |
36.37 |
47.75 |
49.47 |
52.58 |
58.27 |
58.61 |
61.37 |
63.44 |
64.82 |
67.40 |
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65 |
21/2 |
2.875 |
73.03 |
|
30.05 |
39.45 |
40.87 |
43.43 |
48.13 |
48.42 |
50.70 |
52.41 |
53.55 |
55.68 |
56.39 |
59.67 |
65.08 |
68.07 |
73.48 |
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80 |
3 |
3.500 |
88.90 |
|
24.68 |
32.40 |
33.57 |
35.68 |
39.54 |
39.78 |
41.65 |
43.05 |
43.99 |
45.74 |
46.33 |
49.02 |
53.46 |
55.92 |
60.36 |
64.22 |
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90 |
31/2 |
4.000 |
101.60 |
|
21.60 |
28.35 |
29.38 |
31.22 |
34.60 |
34.80 |
36.44 |
37.67 |
38.49 |
40.02 |
40.54 |
42.89 |
46.78 |
48.93 |
52.82 |
56.20 |
56.71 |
58.76 |
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|
100 |
4 |
4.500 |
114.30 |
|
19.20 |
25.20 |
26.11 |
27.75 |
30.75 |
30.94 |
32.39 |
33.48 |
34.21 |
35.58 |
36.03 |
38.12 |
41.58 |
43.49 |
46.95 |
49.95 |
50.41 |
52.23 |
54.78 |
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125 |
5 |
5.563 |
141.30 |
|
|
20.39 |
21.12 |
22.45 |
24.88 |
25.02 |
26.20 |
27.09 |
27.67 |
28.78 |
29.15 |
30.84 |
33.64 |
35.18 |
37.98 |
40.41 |
40.78 |
42.25 |
44.31 |
48.21 |
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150 |
6 |
6.625 |
168.28 |
|
|
17.12 |
17.74 |
18.85 |
20.89 |
21.01 |
22.00 |
22.74 |
23.24 |
24.16 |
24.47 |
25.89 |
28.24 |
29.54 |
31.89 |
33.93 |
34.24 |
35.47 |
37.20 |
40.48 |
43.94 |
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|
|
200 |
8 |
8.625 |
219.08 |
|
|
13.15 |
13.62 |
14.48 |
16.05 |
16.14 |
16.90 |
17.47 |
17.85 |
18.56 |
18.80 |
19.89 |
21.69 |
22.69 |
24.50 |
26.06 |
26.30 |
27.25 |
28.58 |
31.09 |
33.75 |
38.83 |
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250 |
10 |
10.750 |
273.05 |
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|
|
|
|
12.95 |
13.56 |
14.02 |
14.32 |
14.89 |
15.08 |
15.96 |
17.41 |
18.21 |
19.65 |
20.91 |
21.10 |
21.86 |
22.93 |
24.95 |
27.08 |
31.16 |
35.31 |
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300 |
12 |
12.750 |
323.85 |
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|
|
12.72 |
13.46 |
14.68 |
15.35 |
16.57 |
17.63 |
17.79 |
18.43 |
19.33 |
21.03 |
22.83 |
26.27 |
29.77 |
30.57 |
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350 |
14 |
14.000 |
355.60 |
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|
11.58 |
12.25 |
13.37 |
13.98 |
15.09 |
16.06 |
16.20 |
16.79 |
17.61 |
19.16 |
20.79 |
23.92 |
27.11 |
27.84 |
32.46 |
400 |
16 |
16.000 |
406.40 |
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|
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|
|
|
|
10.72 |
11.69 |
12.23 |
13.20 |
14.05 |
14.18 |
14.69 |
15.41 |
16.76 |
18.19 |
20.93 |
23.72 |
24.36 |
28.41 |
1、爆破压力:采用Barlow公式P1=(2σt)/D,其中P1:爆破压力Mpa σ:抗张强度Mpa t:壁厚mm D:外径mm. |