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与管件连接的钢管壁厚分级(GB/T 12459—2005、GB/T 13401—2005) mm |
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现列出与管件连接的无缝钢管壁厚分级表，供使用者参考。表中的壁厚数值摘自ASME B36.10M：1996《焊接和无缝锻轧钢管》和ASME B36.19M：1985(R1994)《不锈钢管》。 |
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与管件 连接的 无缝钢 管壁厚 分级表 (GB/T 12459) |
公称尺寸 |
外径 |
公称壁厚 |
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|
DN |
NPS |
Sch5S |
Sch10S |
Sch40S |
Sch80S |
Sch10 |
Sch20 |
Sch30 |
STD |
Sch40 |
Sch60 |
×S |
Sch80 |
Sch100 |
Sch120 |
Sch140 |
Sch160 |
××S |
||
|
6 |
1/8 |
10.3 |
|
1.24 |
1.73 |
2.41 |
|
|
|
1.73 |
1.73 |
|
2.41 |
2.41 |
|
|
|
|
|
|
|
8 |
1/4 |
13.7 |
|
1.65 |
2.24 |
3.02 |
|
|
|
2.24 |
2.24 |
|
3.02 |
3.02 |
|
|
|
|
|
|
|
10 |
3/8 |
17.1 |
|
1.65 |
2.31 |
3.20 |
|
|
|
2.31 |
2.31 |
|
3.20 |
3.20 |
|
|
|
|
|
|
|
15 |
1/2 |
21.3 |
1.65 |
2.11 |
2.77 |
3.73 |
|
|
|
2.77 |
2.77 |
|
3.73 |
3.73 |
|
|
|
4.78 |
7.47 |
|
|
20 |
3/4 |
26.7 |
1.65 |
2.11 |
2.87 |
3.91 |
|
|
|
2.87 |
2.87 |
|
3.91 |
3.91 |
|
|
|
5.56 |
7.82 |
|
|
25 |
1 |
33.4 |
1.65 |
2.77 |
3.38 |
4.55 |
|
|
|
3.38 |
3.38 |
|
4.55 |
4.55 |
|
|
|
6.35 |
9.09 |
|
|
32 |
11/4 |
42.2 |
1.65 |
2.77 |
3.56 |
4.85 |
|
|
|
3.56 |
3.56 |
|
4.85 |
4.85 |
|
|
|
6.35 |
9.70 |
|
|
40 |
11/2 |
48.3 |
1.65 |
2.77 |
3.68 |
5.08 |
|
|
|
3.68 |
3.68 |
|
5.08 |
5.08 |
|
|
|
7.14 |
10.15 |
|
|
50 |
2 |
60.3 |
1.65 |
2.77 |
3.91 |
5.54 |
|
|
|
3.91 |
3.91 |
|
5.54 |
5.54 |
|
|
|
8.74 |
11.07 |
|
|
65 |
21/2 |
73.0 |
2.11 |
3.05 |
5.16 |
7.01 |
|
|
|
5.16 |
5.16 |
|
7.01 |
7.01 |
|
|
|
9.53 |
14.02 |
|
|
80 |
3 |
88.9 |
2.11 |
3.05 |
5.49 |
7.62 |
|
|
|
5.49 |
5.49 |
|
7.62 |
7.62 |
|
|
|
11.13 |
15.24 |
|
|
90 |
31/2 |
101.6 |
2.11 |
3.05 |
5.74 |
8.08 |
|
|
|
5.74 |
5.74 |
|
8.08 |
8.08 |
|
|
|
|
|
|
|
100 |
4 |
114.3 |
2.11 |
3.05 |
6.02 |
8.56 |
|
|
|
6.02 |
6.02 |
|
8.56 |
8.56 |
|
11.13 |
|
13.49 |
17.12 |
|
|
125 |
5 |
141.3 |
2.77 |
3.40 |
6.55 |
9.53 |
|
|
|
6.55 |
6.55 |
|
9.53 |
9.53 |
|
12.70 |
|
15.88 |
19.05 |
|
|
150 |
6 |
168.3 |
2.77 |
3.40 |
7.11 |
10.97 |
|
|
|
7.11 |
7.11 |
|
10.97 |
10.97 |
|
14.27 |
|
18.26 |
21.95 |
|
|
200 |
8 |
219.1 |
2.77 |
3.76 |
8.18 |
12.70 |
|
6.35 |
7.04 |
8.18 |
8.18 |
10.31 |
12.70 |
12.70 |
15.09 |
18.26 |
20.62 |
23.01 |
22.23 |
|
|
250 |
10 |
273.0 |
3.40 |
4.19 |
9.27 |
*12.70 |
|
6.35 |
7.80 |
9.27 |
9.27 |
12.70 |
12.70 |
15.09 |
18.26 |
21.44 |
25.40 |
28.58 |
25.40 |
|
|
300 |
12 |
323.8 |
3.96 |
*4.57 |
*9.53 |
*12.70 |
|
6.35 |
8.38 |
9.53 |
10.31 |
14.27 |
12.70 |
17.48 |
21.44 |
25.40 |
28.58 |
33.32 |
25.40 |
|
|
350 |
14 |
355.6 |
3.96 |
*4.78 |
|
|
6.35 |
7.92 |
9.53 |
9.53 |
11.13 |
15.09 |
12.70 |
19.05 |
23.83 |
27.79 |
31.75 |
35.71 |
|
|
|
400 |
16 |
406.4 |
4.19 |
*4.78 |
|
|
6.35 |
7.92 |
9.53 |
9.53 |
12.70 |
16.66 |
12.70 |
21.44 |
26.19 |
30.96 |
36.53 |
40.49 |
|
|
|
450 |
18 |
457 |
4.19 |
*4.78 |
|
|
6.35 |
7.92 |
11.13 |
9.53 |
14.27 |
19.05 |
12.70 |
23.83 |
29.36 |
34.93 |
39.67 |
45.24 |
|
|
|
500 |
20 |
508 |
4.78 |
*5.54 |
|
|
6.35 |
9.53 |
12.70 |
9.53 |
15.09 |
20.62 |
12.70 |
26.19 |
32.54 |
38.10 |
44.45 |
50.01 |
|
|
|
550 |
22 |
559 |
4.78 |
*5.54 |
|
|
6.35 |
9.53 |
12.70 |
9.53 |
|
22.23 |
12.70 |
28.58 |
34.93 |
41.28 |
47.63 |
53.98 |
|
|
|
600 |
24 |
610 |
5.54 |
6.35 |
|
|
6.35 |
9.53 |
14.27 |
9.53 |
17.48 |
24.61 |
12.70 |
30.96 |
38.89 |
46.02 |
52.37 |
59.54 |
|
|
|
650 |
26 |
660 |
|
|
|
|
7.92 |
12.70 |
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
700 |
28 |
711 |
|
|
|
|
7.92 |
12.70 |
15.88 |
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
750 |
30 |
762 |
6.35 |
7.92 |
|
|
7.92 |
12.70 |
15.88 |
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
800 |
32 |
813 |
|
|
|
|
7.92 |
12.70 |
15.88 |
9.53 |
17.48 |
|
12.70 |
|
|
|
|
|
|
|
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与管件 连接的 钢管壁 厚分 级表 (GB/T 13401) |
150 |
6 |
168.3 |
2.77 |
3.40 |
7.11 |
10.97 |
|
|
|
7.11 |
7.11 |
|
10.97 |
10.97 |
|
14.27 |
|
18.26 |
21.95 |
|
200 |
8 |
219.1 |
2.77 |
3.76 |
8.18 |
12.70 |
|
6.35 |
7.04 |
8.18 |
8.18 |
10.31 |
12.70 |
12.70 |
15.09 |
18.26 |
20.62 |
23.01 |
22.23 |
|
|
250 |
10 |
273.0 |
3.40 |
4.19 |
9.27 |
*12.70 |
|
6.35 |
7.80 |
9.27 |
9.27 |
12.70 |
12.70 |
15.09 |
18.26 |
21.44 |
25.40 |
28.58 |
25.40 |
|
|
300 |
12 |
323.8 |
3.96 |
*4.57 |
*9.53 |
*12.70 |
|
6.35 |
8.38 |
9.53 |
10.31 |
14.27 |
12.70 |
17.48 |
21.44 |
25.40 |
28.58 |
33.32 |
25.40 |
|
|
350 |
14 |
355.6 |
3.96 |
*4.78 |
|
|
6.35 |
7.92 |
9.53 |
9.53 |
11.13 |
15.09 |
12.70 |
19.05 |
23.83 |
27.79 |
31.75 |
35.71 |
|
|
|
400 |
16 |
406.4 |
4.19 |
*4.78 |
|
|
6.35 |
7.92 |
9.53 |
9.53 |
12.70 |
16.66 |
12.70 |
21.44 |
26.19 |
30.96 |
36.53 |
40.49 |
|
|
|
450 |
18 |
457 |
4.19 |
*4.78 |
|
|
6.35 |
7.92 |
11.13 |
9.53 |
14.27 |
19.05 |
12.70 |
23.83 |
29.36 |
34.93 |
39.67 |
45.24 |
|
|
|
500 |
20 |
508 |
4.78 |
*5.54 |
|
|
6.35 |
9.53 |
12.70 |
9.53 |
15.09 |
20.62 |
12.70 |
26.19 |
32.54 |
38.10 |
44.45 |
50.01 |
|
|
|
550 |
22 |
559 |
4.78 |
*5.54 |
|
|
6.35 |
9.53 |
12.70 |
9.53 |
|
22.23 |
12.70 |
28.58 |
34.93 |
41.28 |
47.63 |
53.98 |
|
|
|
600 |
24 |
610 |
5.54 |
6.35 |
|
|
6.35 |
9.53 |
14.27 |
9.53 |
17.48 |
24.61 |
12.70 |
30.96 |
38.89 |
46.02 |
52.37 |
59.54 |
|
|
|
650 |
26 |
660 |
|
|
|
|
7.92 |
12.70 |
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
700 |
28 |
711 |
|
|
|
|
7.92 |
12.70 |
15.88 |
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
750 |
30 |
762 |
6.35 |
7.92 |
|
|
7.92 |
12.70 |
15.88 |
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
800 |
32 |
813 |
|
|
|
|
7.92 |
12.70 |
15.88 |
9.53 |
17.48 |
|
12.70 |
|
|
|
|
|
|
|
|
850 |
34 |
|
|
|
|
|
7.92 |
|
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
900 |
36 |
|
|
|
|
|
7.92 |
12.70 |
15.88 |
9.53 |
19.05 |
|
12.70 |
|
|
|
|
|
|
|
|
950 |
38 |
|
|
|
|
|
|
|
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
1000 |
40 |
|
|
|
|
|
|
|
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
1050 |
42 |
|
|
|
|
|
|
|
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
|
|
1100 |
44 |
|
|
|
|
|
|
|
|
9.53 |
|
|
12.70 |
|
|
|
|
|
|
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|
1150 |
46 |
|
|
|
|
|
|
|
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9.53 |
|
|
12.70 |
|
|
|
|
|
|
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1200 |
48 |
|
|
|
|
|
|
|
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9.53 |
|
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12.70 |
|
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注：1．Sch数字后带“S”者为ASME B36.19M标准中规定的数据；不带“S”者为ASME B36.10M标准中规定的数据。 2．带“*”号的壁厚数据，在ASME B36.19M标准中注明与ASME B36.10M不同。 3．“STD”为标准管壁厚系列代号，“×S”为加强管壁厚系列代号，“××S”为特加强管壁厚系列代号。 4．管子表号(Sch)是设计压力与设计温度下材料的许用应力的比值乘以1000，并经圆整后的数值，由表号可推算出压力，即
式中，p——设计压力，MPa； ［σ］t——设计温度下材料的许用应力，MPa。 |
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