专供锅炉、石化用高压无缝钢管
电话:13102008542、022-26926620
专供锅炉、石化用高压无缝钢管
电话:13102008542、022-26926620
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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Ia系列为优先选用系列，作为今后化工配管用钢管的基本系列，钢管的外径等效采用ISO 4200，壁厚采用“壁厚系列号”（英文为Schedule Number，简写为Sch.No.）表示。
钢管的尺寸和理论重量见下表。表中壁厚系列号的壁厚值基本上采用ANSI B36.10加以圆整，然后取ISO 221中相近的壁厚值。
本系列的钢管，
Ia系列 钢管的尺寸和理论重量表
|
公称直径
DN |
外径
mm |
壁 厚 和 理 论 重 量 |
||||||||||
|
Sch.5S |
Sch.10 |
Sch.10 |
Sch.20 |
Sch.30 |
||||||||
|
A |
B |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
|
|
6 |
1/8 |
10.2 |
1.0 |
0.23 |
1.2 |
0.27 |
|
|
|
|
|
|
|
8 |
1/4 |
13.5 |
1.2 |
0.36 |
1.6 |
0.47 |
|
|
|
|
|
|
|
10 |
3/8 |
17.2 |
1.2 |
0.47 |
1.6 |
0.62 |
|
|
|
|
|
|
|
15 |
1/2 |
21.3 |
1.6 |
0.78 |
2.0 |
0.95 |
|
|
|
|
|
|
|
20 |
3/4 |
26.9 |
1.6 |
1.00 |
2.0 |
1.23 |
|
|
|
|
|
|
|
25 |
1 |
33.7 |
1.6 |
1.27 |
2.9 |
2.20 |
|
|
|
|
|
|
|
（32） |
11/4 |
42.4 |
1.6 |
1.61 |
2.9 |
2.82 |
|
|
|
|
|
|
|
40 |
11/2 |
48.3 |
1.6 |
1.84 |
2.9 |
3.25 |
|
|
|
|
|
|
|
50 |
2 |
60.3 |
1.6 |
2.32 |
2.9 |
4.10 |
|
|
3.2 |
4.51 |
|
|
|
（65） |
21/2 |
76.1 |
2.0 |
3.65 |
3.2 |
5.75 |
|
|
4.5 |
7.95 |
|
|
|
80 |
3 |
88.9 |
2.0 |
4.29 |
3.2 |
6.76 |
|
|
4.5 |
9.37 |
|
|
|
100 |
4 |
114.3 |
2.0 |
5.54 |
3.2 |
9.76 |
|
|
5.0 |
13.48 |
|
|
|
（125） |
5 |
139.7 |
2.9 |
9.78 |
3.6 |
12.08 |
|
|
5.0 |
16.61 |
|
|
|
150 |
6 |
168.3 |
2.9 |
11.83 |
3.6 |
14.62 |
|
|
5.6 |
22.47 |
|
|
|
200 |
8 |
219.1 |
2.9 |
15.46 |
4.0 |
21.22 |
|
|
6.3 |
33.06 |
7.1 |
37.12 |
|
250 |
10 |
273.0 |
3.6 |
23.92 |
4.0 |
26.53 |
|
|
6.3 |
41.43 |
8.0 |
52.28 |
|
300 |
12 |
323.9 |
4.0 |
31.55 |
4.5 |
35.44 |
|
|
6.3 |
49.34 |
8.8 |
68.38 |
|
350 |
14 |
355.6 |
4.0 |
34.68 |
5.0 |
43.23 |
6.3 |
54.27 |
8.0 |
68.57 |
10.0 |
85.22 |
|
400 |
16 |
406.4 |
4.0 |
39.69 |
5.0 |
49.49 |
6.3 |
62.16 |
8.0 |
78.60 |
10.0 |
97.75 |
|
450 |
18 |
457.0 |
4.0 |
44.68 |
5.0 |
55.73 |
6.3 |
70.02 |
8.0 |
88.58 |
11.0 |
120.98 |
|
500 |
20 |
508.0 |
5.0 |
62.02 |
5.6 |
69.38 |
6.3 |
77.94 |
10.0 |
122.81 |
12.5 |
152.74 |
|
（550） |
22 |
559.0 |
5.0 |
68.31 |
5.6 |
76.42 |
6.3 |
85.87 |
10.0 |
135.38 |
12.5 |
168.46 |
|
600 |
24 |
610.0 |
5.6 |
83.47 |
6.3 |
93.79 |
6.3 |
93.79 |
10.0 |
147.96 |
14.2 |
208.63 |
续表 1
|
公称直径
DN |
外径
mm |
壁 厚 和 理 论 重 量 |
||||||||||
|
Sch.40S |
Sch.40 |
Sch.60 |
Sch.80S |
Sch.80 |
||||||||
|
A |
B |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
|
|
6 |
1/8 |
10.2 |
1.8 |
0.37 |
1.8 |
0.37 |
|
|
2.3 |
0.45 |
2.3 |
0.45 |
|
8 |
1/4 |
13.5 |
1.8 |
0.52 |
2.3 |
0.64 |
|
|
2.9 |
0.76 |
2.9 |
0.76 |
|
10 |
3/8 |
17.2 |
2.3 |
0.85 |
2.3 |
0.85 |
|
|
3.2 |
1.10 |
2.1 |
1.10 |
|
15 |
1/2 |
21.3 |
2.9 |
1.32 |
2.9 |
1.32 |
|
|
3.6 |
1.57 |
3.6 |
1.57 |
|
20 |
3/4 |
26.9 |
2.9 |
1.72 |
2.9 |
1.72 |
|
|
4.0 |
2.26 |
4.0 |
2.26 |
|
25 |
1 |
33.7 |
3.2 |
2.41 |
3.2 |
2.41 |
|
|
4.5 |
3.24 |
4.5 |
3.24 |
|
（32） |
11/4 |
42.4 |
3.6 |
3.44 |
3.6 |
3.44 |
|
|
5.0 |
4.61 |
5.0 |
4.61 |
|
40 |
11/2 |
48.3 |
3.6 |
3.97 |
3.6 |
3.97 |
|
|
5.0 |
5.34 |
5.0 |
5.34 |
|
50 |
2 |
60.3 |
4.0 |
5.55 |
4.0 |
5.55 |
|
|
5.6 |
7.55 |
5.6 |
7.55 |
|
（65） |
21/2 |
76.1 |
5.0 |
8.77 |
5.0 |
8.77 |
|
|
7.1 |
12.08 |
7.1 |
12.08 |
|
80 |
3 |
88.9 |
5.6 |
11.50 |
5.6 |
11.50 |
|
|
8.0 |
15.96 |
8.0 |
15.96 |
|
100 |
4 |
114.3 |
6.3 |
16.78 |
6.3 |
16.78 |
|
|
8.8 |
22.89 |
8.8 |
22.89 |
|
（125） |
5 |
139.7 |
6.3 |
20.72 |
6.3 |
20.72 |
|
|
10.0 |
31.98 |
10.0 |
31.98 |
|
150 |
6 |
168.3 |
7.1 |
28.22 |
7.1 |
28.22 |
|
|
11.0 |
42.67 |
11.0 |
42.67 |
|
200 |
8 |
219.1 |
8.0 |
41.65 |
8.0 |
41.65 |
10.0 |
51.56 |
12.5 |
63.68 |
12.5 |
63.68 |
|
250 |
10 |
273.0 |
8.8 |
57.33 |
8.8 |
57.33 |
12.5 |
80.30 |
12.5 |
80.30 |
16.0 |
101.40 |
|
300 |
12 |
323.9 |
10.0 |
77.41 |
10.0 |
77.41 |
14.2 |
108.45 |
12.5 |
95.99 |
17.5 |
132.23 |
|
350 |
14 |
355.6 |
10.0 |
85.22 |
11.0 |
93.48 |
16.0 |
133.99 |
12.5 |
105.76 |
20.0 |
165.52 |
|
400 |
16 |
406.4 |
10.0 |
97.75 |
12.5 |
121.42 |
17.5 |
167.83 |
12.5 |
121.42 |
22.2 |
210.33 |
|
450 |
18 |
457.0 |
10.0 |
110.23 |
14.2 |
155.06 |
20.0 |
215.53 |
12.5 |
137.02 |
25.0 |
266.33 |
|
500 |
20 |
508.0 |
10.0 |
122.81 |
16.0 |
194.12 |
20.0 |
240.68 |
12.5 |
152.74 |
28.0 |
331.43 |
|
（550） |
22 |
559.0 |
10.0 |
135.38 |
--- |
--- |
25.0 |
329.21 |
12.5 |
168.46 |
28.0 |
366.64 |
|
600 |
24 |
610.0 |
10.0 |
147.96 |
17.5 |
255.96 |
25.0 |
360.65 |
12.5 |
184.18 |
32.0 |
456.11 |
续表 2
|
公称直径
DN |
外径
mm |
壁 厚 和 理 论 重 量 |
||||||||
|
Sch.100 |
Sch.120 |
Sch.140 |
Sch.160 |
|||||||
|
A |
B |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
mm |
kg/m |
|
|
6 |
1/8 |
10.2 |
|
|
|
|
|
|
|
|
|
8 |
1/4 |
13.5 |
|
|
|
|
|
|
|
|
|
10 |
3/8 |
17.2 |
|
|
|
|
|
|
|
|
|
15 |
1/2 |
21.3 |
|
|
|
|
|
|
4.5 |
1.86 |
|
20 |
3/4 |
26.9 |
|
|
|
|
|
|
5.6 |
2.94 |
|
25 |
1 |
33.7 |
|
|
|
|
|
|
6.3 |
4.26 |
|
（32） |
11/4 |
42.4 |
|
|
|
|
|
|
6.3 |
5.61 |
|
40 |
11/2 |
48.3 |
|
|
|
|
|
|
7.1 |
7.21 |
|
50 |
2 |
60.3 |
|
|
|
|
|
|
8.8 |
11.18 |
|
（65） |
21/2 |
76.1 |
|
|
|
|
|
|
10.0 |
16.30 |
|
80 |
3 |
88.9 |
|
|
|
|
|
|
11.0 |
21.13 |
|
100 |
4 |
114.3 |
|
|
11.0 |
28.02 |
|
|
14.2 |
35.05 |
|
（125） |
5 |
139.7 |
|
|
12.5 |
39.21 |
|
|
16.0 |
48.81 |
|
150 |
6 |
168.3 |
|
|
14.2 |
53.96 |
|
|
17.5 |
65.08 |
|
200 |
8 |
219.1 |
16.0 |
80.14 |
17.5 |
87.00 |
20.0 |
98.20 |
22.2 |
107.79 |
|
250 |
10 |
273.0 |
17.5 |
110.26 |
22.2 |
137.30 |
25.0 |
137.48 |
28.0 |
169.17 |
|
300 |
12 |
323.9 |
22.2 |
165.17 |
25.0 |
184.27 |
28.0 |
204.31 |
32.0 |
230.34 |
|
350 |
14 |
355.6 |
25.0 |
203.81 |
28.0 |
226.20 |
32.0 |
255.36 |
36.0 |
283.73 |
|
400 |
16 |
406.4 |
28.0 |
261.28 |
30.0 |
278.45 |
36.0 |
328.83 |
40.0 |
361.42 |
|
450 |
18 |
457.0 |
30.3 |
315.89 |
36.0 |
373.75 |
40.0 |
411.33 |
45.0 |
457.20 |
|
500 |
20 |
508.0 |
32.0 |
375.62 |
40.0 |
461.54 |
45.0 |
513.79 |
50.0 |
564.71 |
|
（550） |
22 |
559.0 |
36.0 |
464.30 |
40.0 |
511.94 |
50.0 |
627.60 |
55.0 |
683.58 |
|
600 |
24 |
610.0 |
40.0 |
562.25 |
45.0 |
625.98 |
55.0 |
752.75 |
60.0 |
813.78 |
注：①壁厚系列号（Sch.No.）后缀加S者，仅用于奥氏体不锈钢钢管。
②本表可用于无缝或焊接钢管。
③尽可能不选用括号内的规格。
