|
外徑
D ／mm |
壁 厚S／mm |
|
2.5 |
3.0 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
10 |
11 |
12 |
|
理論質量／(kg／m) |
|
21.3 |
1.16 |
1.35 |
1.54 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26.8 |
1.50 |
1.76 |
2.01 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
33 |
1.88 |
2.22 |
2.55 |
2.86 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
42 |
2.44 |
2.89 |
3.32 |
3.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45 |
2.62 |
3.11 |
3.58 |
4.04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
48 |
2.81 |
3.33 |
3.84 |
4.34 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
57 |
3.36 |
3.99 |
4.62 |
5.23 |
5.83 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
60 |
3.54 |
4.22 |
4.88 |
5.52 |
6.16 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
70 |
4.16 |
4.96 |
5.74 |
6.51 |
7.27 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
76 |
4.53 |
5.40 |
6.26 |
7.10 |
7.93 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
89 |
|
6.36 |
7.38 |
8.38 |
9.38 |
10.36 |
|
|
|
|
|
|
|
|
|
|
|
|
|
95 |
|
6.81 |
7.90 |
8.98 |
10.04 |
11.10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
102 |
|
7.32 |
8.50 |
9.67 |
10.82 |
11.96 |
13.09 |
14.20 |
15.31 |
|
|
|
|
|
|
|
|
|
|
108 |
|
7.77 |
9.02 |
10.26 |
11.49 |
12.70 |
13.90 |
15.09 |
16.27 |
|
|
|
|
|
|
|
|
|
|
外徑
D ／mm |
壁 厚S／mm |
|
2.5 |
3.0 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
10 |
11 |
12 |
|
理論質量／(kg／m) |
|
114 |
|
|
9.54 |
10.B5 |
12.15 |
13.44 |
14.72 |
15.98 |
17.23 |
|
|
|
|
|
|
|
|
|
|
121 |
|
|
10.14 |
11.54 |
12.93 |
14.30 |
15.67 |
17.02 |
18.35 |
|
|
|
|
|
|
|
|
|
|
127 |
|
|
10.66 |
12.13 |
13.59 |
15.04 |
16.48 |
17.90 |
19.31 |
|
|
|
|
|
|
|
|
|
|
133 |
|
|
11.18 |
12.72 |
14.26 |
15.78 |
17.29 |
18.79 |
20.28 |
|
|
|
|
|
|
|
|
|
|
140 |
|
|
|
13.42 |
15.04 |
16.65 |
18.24 |
19.83 |
21.40 |
22.96 |
24.51 |
|
|
|
|
|
|
|
|
152 |
|
|
|
14.60 |
16.37 |
18.13 |
19.87 |
21.60 |
23.32 |
25.03 |
26.73 |
|
|
|
|
|
|
|
|
159 |
|
|
|
15.29 |
17.14 |
18.99 |
20.82 |
22.64 |
24.44 |
22.64 |
26.24 |
28.02 |
29.79 |
31.55 |
33.29 |
35.02 |
|
|
|
165 |
|
|
|
|
17.81 |
19.73 |
21.63 |
23.53 |
25.41 |
27.27 |
29.13 |
30.97 |
32.80 |
34.62 |
36.43 |
|
|
|
|
168 |
|
|
|
|
18.14 |
20.10 |
22.04 |
23.97 |
25.89 |
27.79 |
29.68 |
31.56 |
33.43 |
35.29 |
37.13 |
|
|
|
|
180 |
|
|
|
|
19.48 |
21.58 |
23.67 |
25.75 |
27.81 |
29.86 |
31.90 |
33.93 |
35.95 |
37.95 |
39.94 |
|
|
|
|
194 |
|
|
|
|
|
23.30 |
25.57 |
27.82 |
30.05 |
32.28 |
34.49 |
36.69 |
38.88 |
41.06 |
43.22 |
|
|
|
|
203 |
|
|
|
|
|
24.41 |
26.79 |
29.15 |
31.50 |
33.83 |
36.16 |
38.47 |
40.77 |
43.06 |
45.33 |
|
|
|
|
219 |
|
|
|
|
|
26.39 |
28.96 |
31.52 |
34.06 |
36.60 |
39.12 |
41.63 |
44.12 |
46.61 |
49.08 |
|
|
|
|
245 |
|
|
|
|
|
29.59 |
32.48 |
35.36 |
38.23 |
41.08 |
43.93 |
46.76 |
49.57 |
52.38 |
55.17 |
57.95 |
|
|
|
273 |
|
|
|
|
|
33.04 |
36.28 |
39.51 |
42.72 |
45.92 |
49.10 |
52.28 |
55.44 |
58.59 |
61.73 |
64.86 |
|
|
|
295 |
|
|
|
|
|
|
|
42.76 |
46.24 |
49.71 |
53.17 |
56.62 |
60.05 |
63.47 |
66.88 |
70.28 |
77.04 |
|
|
325 |
|
|
|
|
|
|
|
47.20 |
51.05 |
54.89 |
58.72 |
62.53 |
66.34 |
70.13 |
73.91 |
77.67 |
85.18 |
|
|
377 |
|
|
|
|
|
|
|
54.89 |
59.39 |
63.87 |
68.34 |
72.80 |
77.24 |
81.67 |
86.09 |
90.50 |
99.28 |
108.01 |
|
402 |
|
|
|
|
|
|
|
58.59 |
63.39 |
68.18 |
72.96 |
77.73 |
82.48 |
87.22 |
91.95 |
96.67 |
106.06 |
115.41 |
|
426 |
|
|
|
|
|
|
|
62.14 |
67.24 |
72.33 |
77.40 |
82.46 |
87.51 |
92.55 |
97.57 |
102.59 |
112.57 |
122.51 |
|
450 |
|
|
|
|
|
|
|
65.69 |
71.09 |
76.47 |
81.84 |
87.20 |
92.54 |
97.88 |
103.20 |
108.50 |
119.08 |
129.61 |
|
480 |
|
|
|
|
|
|
|
70.13 |
75.90 |
81.65 |
87.39 |
93.12 |
98.83 |
104.53 |
110.22 |
115.90 |
127.22 |
138.49 |
|
508 |
|
|
|
|
|
|
|
74.28 |
80.39 |
86.48 |
92.57 |
98.64 |
104.70 |
110.75 |
116.78 |
122.81 |
134.82 |
146.78 |
注：根據(jù)需方要求，并經供需雙方協(xié)議，可供介于表中所列外徑和壁厚之間尺寸的鋼管。
礦用流體輸送電焊鋼管的允許偏差(mm)
|
外 徑 |
允許偏差 |
壁 厚 |
允許偏差 |
|
D≤50 |
±0.5 |
2.5～12 |
±12％ |
|
D>50 |
±0.90％ |
注：
1.鋼管的通常長度為4～12m。定尺和倍尺長度應在通常長度范圍內，總長度允許偏差為+150mm。倍尺長度的鋼管應在每個倍尺間留5～15mm的切口余量。
2.鋼管的彎曲度每米不大于1.2mm，總彎曲度不大于鋼管全長的0.12％。
| 
