HG 20553-93标准 (Ib)系列 钢管规格表
化工配管用无缝及焊接钢管尺寸选用系列（HG 20553-93） 
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Ib系列是Ia系列的代用系列。钢管的外径是将Ia系列的外径圆整到正整数，并符合GB 8163和GB 2270钢管的外径和壁厚值。由于DN250以上的钢管外径圆整后与GB 8163、GB 2270的钢管外径差异较大，故Ib系列仅制订到DN250为止，DN250以上的钢管仍按Ia系列选用。
Ib系列 钢管的尺寸和理论重量表
|
公称直径
DN |
外径
mm |
壁 厚，mm |
|||||||||||||
|
1.0 |
1.2 |
1.6 |
1.8 |
2.0 |
2.2 |
2.5 |
2.8 |
2.9 |
3.0 |
3.2 |
3.4 |
3.5 |
|||
|
A |
B |
|
理 论 重 量，kg/m |
||||||||||||
|
6 |
1/8 |
10 |
0.22 |
0.26 |
0.33 |
0.36 |
0.40 |
0.42 |
0.46 |
|
|
|
|
|
|
|
8 |
1/4 |
14 |
|
0.38 |
0.49 |
0.54 |
0.59 |
0.64 |
0.71 |
0.77 |
|
0.81 |
0.85 |
|
0.91 |
|
10 |
3/8 |
17 |
|
0.47 |
0.61 |
0.68 |
0.74 |
0.80 |
0.89 |
0.98 |
|
1.04 |
1.09 |
|
1.17 |
|
15 |
1/2 |
22 |
|
|
0.80 |
0.90 |
0.99 |
1.07 |
1.20 |
1.33 |
|
1.41 |
1.48 |
|
1.60 |
|
20 |
3/4 |
27 |
|
|
1.00 |
1.13 |
1.23 |
1.34 |
1.51 |
1.67 |
|
1.78 |
1.88 |
|
2.03 |
|
25 |
1 |
34 |
|
|
1.28 |
1.43 |
1.58 |
1.72 |
1.94 |
2.15 |
|
2.29 |
2.43 |
|
2.63 |
|
（32） |
11/4 |
42 |
|
|
1.59 |
1.79 |
1.97 |
2.16 |
2.44 |
2.71 |
|
2.89 |
3.06 |
|
3.32 |
|
40 |
11/2 |
48 |
|
|
1.83 |
2.05 |
2.27 |
2.48 |
2.81 |
3.12 |
|
3.33 |
3.54 |
|
3.84 |
|
50 |
2 |
60 |
|
|
2.30 |
2.58 |
2.86 |
3.14 |
3.55 |
3.95 |
|
4.22 |
4.48 |
|
4.88 |
|
（65） |
21/2 |
76 |
|
|
|
|
|
|
4.53 |
5.05 |
|
5.40 |
5.75 |
|
6.26 |
|
80 |
3 |
89 |
|
|
|
|
4.29 |
|
5.33 |
5.95 |
|
6.36 |
6.77 |
|
7.38 |
|
100 |
4 |
114 |
|
|
|
|
5.52 |
|
|
|
|
8.21 |
|
|
9.54 |
|
（125） |
5 |
140 |
|
|
|
|
|
|
|
|
9.80 |
|
|
|
11.78 |
|
150 |
6 |
168 |
|
|
|
|
|
|
|
|
11.81 |
|
|
13.80 |
|
|
200 |
8 |
219 |
|
|
|
|
|
|
|
|
15.45 |
|
|
|
|
|
250 |
10 |
273 |
|
|
|
|
|
|
|
|
|
|
|
|
|
续表 1
|
公称直径
DN |
外径
mm |
壁 厚，mm |
|||||||||||||
|
3.6 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
6.5 |
7.0 |
7.5 |
8.0 |
8.5 |
9.0 |
9.5 |
|||
|
A |
B |
|
理 论 重 量，kg/m |
||||||||||||
|
6 |
1/8 |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
1/4 |
14 |
|
0.99 |
|
|
|
|
|
|
|
|
|
|
|
|
10 |
3/8 |
17 |
|
1.28 |
1.39 |
|
|
|
|
|
|
|
|
|
|
|
15 |
1/2 |
22 |
|
1.78 |
1.94 |
2.10 |
|
|
|
|
|
|
|
|
|
|
20 |
3/4 |
27 |
|
2.27 |
2.50 |
2.71 |
2.92 |
3.11 |
|
|
|
|
|
|
|
|
25 |
1 |
34 |
|
2.96 |
3.27 |
3.58 |
3.87 |
4.14 |
4.41 |
|
|
|
|
|
|
|
（32） |
11/4 |
42 |
|
3.75 |
4.16 |
4.56 |
4.95 |
5.33 |
5.69 |
|
|
|
|
|
|
|
40 |
11/2 |
48 |
|
4.34 |
4.83 |
5.30 |
5.76 |
6.21 |
6.65 |
7.08 |
|
|
|
|
|
|
50 |
2 |
60 |
|
5.52 |
6.16 |
6.78 |
7.39 |
7.99 |
8.58 |
9.15 |
9.71 |
10.26 |
10.80 |
11.32 |
|
|
（65） |
21/2 |
76 |
|
7.10 |
7.93 |
8.75 |
9.56 |
10.36 |
11.14 |
11.91 |
12.67 |
13.42 |
14.15 |
14.87 |
15.58 |
|
80 |
3 |
89 |
|
8.38 |
9.38 |
10.36 |
11.33 |
12.28 |
13.22 |
14.16 |
15.07 |
15.98 |
16.81 |
17.76 |
18.63 |
|
100 |
4 |
114 |
|
10.85 |
12.15 |
13.44 |
14.72 |
15.98 |
17.23 |
18.47 |
19.70 |
20.91 |
22.11 |
23.30 |
24.48 |
|
（125） |
5 |
140 |
|
13.42 |
15.04 |
16.65 |
18.24 |
19.83 |
21.40 |
22.95 |
24.51 |
26.04 |
27.56 |
29.07 |
30.57 |
|
150 |
6 |
168 |
|
|
|
20.10 |
22.04 |
23.97 |
25.89 |
27.79 |
29.68 |
31.56 |
33.43 |
35.29 |
37.13 |
|
200 |
8 |
219 |
|
|
|
|
|
|
34.06 |
36.60 |
39.12 |
41.63 |
44.12 |
46.61 |
49.08 |
|
250 |
10 |
273 |
|
|
|
|
|
|
42.72 |
45.92 |
49.10 |
52.28 |
55.44 |
58.59 |
61.73 |
续表 2
|
公称直径
DN |
外径
mm |
壁 厚，mm |
|||||||||||||
|
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
18.0 |
20.0 |
22.0 |
24.0 |
25.0 |
28.0 |
|||
|
A |
B |
|
理 论 重 量，kg/m |
||||||||||||
|
6 |
1/8 |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
1/4 |
14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10 |
3/8 |
17 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15 |
1/2 |
22 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 |
3/4 |
27 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25 |
1 |
34 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
（32） |
11/4 |
42 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40 |
11/2 |
48 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
50 |
2 |
60 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
（65） |
21/2 |
76 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
80 |
3 |
89 |
19.48 |
21.16 |
|
|
|
|
|
|
|
|
|
|
|
|
100 |
4 |
114 |
25.65 |
27.94 |
30.19 |
32.38 |
34.52 |
|
|
|
|
|
|
|
|
|
（125） |
5 |
140 |
32.06 |
34.99 |
37.88 |
40.71 |
43.50 |
46.24 |
48.93 |
|
|
|
|
|
|
|
150 |
6 |
168 |
38.97 |
42.59 |
46.17 |
49.69 |
53.17 |
56.59 |
59.97 |
66.58 |
|
|
|
|
|
|
200 |
8 |
219 |
51.54 |
56.42 |
61.26 |
66.04 |
70.77 |
75.46 |
80.10 |
89.22 |
98.15 |
105.88 |
115.41 |
|
|
|
250 |
10 |
273 |
64.86 |
71.07 |
77.24 |
83.35 |
89.42 |
95.43 |
101.40 |
113.19 |
124.78 |
136.17 |
147.37 |
152.89 |
169.17 |
注：①本表可用于无缝或焊接钢管。
②尽可能不选用括号内的规格。
③粗线以下仅为不锈钢管，由成都无缝钢管厂供货。