公称通径Nominal Pipe Size | 外径Outside Diameter | 公称壁厚T Norminal Wall Thickness |
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NPS | DN | D | SCH5s | SCH10s | SCH10 | SCH20 | SHC30 | SCH40s | STD | SCH40 | SCH60 | SCH80s | XS | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 | XXS | ||
1/8 1/4 3/8 |
6 8 10 |
10.3 13.7 17.1 |
’--- --- --- |
1.24 1.65 1.65 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
1.73 2.24 2.31 |
1.73 2.24 2.31 |
1.73 2.24 2.31 |
‘--- --- --- |
2.41 3.02 3.20 |
2.41 3.02 3.20 |
2.41 3.02 3.20 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
||
1/2 3/4 1 |
15 20 25 |
21.3 26.7 33.4 |
1.65 1.65 1.65 |
2.11 2.11 2.77 |
‘--- --- --- |
’--- --- --- |
’--- --- --- |
2.77 2.87 3.38 |
2.77 2.87 3.38 |
2.77 2.87 3.38 |
‘--- --- --- |
3.73 3.91 4.55 |
3.73 3.91 4.55 |
3.73 3.91 4.55 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
4.78 5.56 6.35 |
7.47 7.82 9.09 |
||
11/4 11/2 2 |
32 40 50 |
42.2 48.3 60.3 |
1.65 1.65 1.65 |
2.77 2.77 2.77 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
3.56 3.68 3.91 |
3.56 3.68 3.91 |
3.56 3.68 3.91 |
’--- --- --- |
4.85 5.08 5.54 |
4.85 5.08 5.54 |
4.85 5.08 5.54 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
6.35 7.14 8.74 |
9.70 10.15 11.07 |
||
21/2 3 31/2 |
65 80 90 |
73.0 88.9 101.6 |
2.11 2.11 2.11 |
3.05 3.05 3.05 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
5.16 5.49 5.74 |
5.16 5.49 5.74 |
5.16 5.49 5.74 |
‘--- --- --- |
7.01 7.62 8.08 |
7.01 7.62 8.08 |
7.01 7.62 8.08 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
9.53 11.13 --- |
14.02 15.24 --- |
||
4 5 6 |
100 125 150 |
114.3 141.3 168.3 |
2.11 2.77 2.77 |
3.05 3.40 3.40 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
6.02 6.55 7.11 |
6.02 6.55 7.11 |
6.02 6.55 7.11 |
‘--- --- --- |
8.56 9.53 10.97 |
8.56 9.53 10.97 |
8.56 9.53 10.97 |
’--- --- --- |
11.13 12.70 14.27 |
‘--- --- --- |
13.49 15.88 18.26 |
17.12 19.05 21.95 |
||
8 10 12 |
200 250 300 |
219.1 273.1 323.9 |
2.77 3.40 3.96 |
3.76 4.19 4.57 |
’--- --- --- |
6.35 6.35 6.35 |
7.04 7.80 8.38 |
8.18 9.27 9.53 |
8.18 9.27 9.53 |
8.18 9.27 10.31 |
10.31 12.70 14.27 |
12.70 12.70 12.70 |
12.70 12.70 12.70 |
12.70 15.09 17.48 |
15.09 18.26 21.44 |
18.26 21.44 25.40 |
20.62 25.40 28.58 |
23.01 28.58 33.32 |
22.23 25.40 25.40 |
||
14 16 18 |
350 400 450 |
355.6 406.4 457.2 |
3.96 4.19 4.19 |
4.78 4.78 4.78 |
6.35 6.35 6.35 |
7.92 7.92 7.92 |
9.53 9.53 11.13 |
‘--- --- --- |
9.53 9.53 9.53 |
11.13 12.70 14.27 |
15.09 16.66 19.05 |
’--- --- --- |
12.70 12.70 12.70 |
19.05 21.44 23.83 |
23.83 26.19 29.36 |
27.79 30.96 34.93 |
31.75 36.53 39.67 |
35.71 40.49 45.24 |
‘--- --- --- |
||
20 22 24 |
500 --- 600’ |
508 559 610 |
4.78 4.78 5.54 |
5.54 5.54 6.35 |
6.35 6.35 6.35 |
9.53 9.53 9.53 |
12.70 12.70 14.27 |
’--- --- --- |
9.53 9.53 9.53 |
15.09 --- 17.48 |
20.62 22.23 24.61 |
‘--- --- --- |
12.70 12.70 12.70 |
26.19 28.58 30.96 |
32.54 34.93 38.89 |
38.10 41.28 46.02 |
44.45 47.63 52.37 |
50.01 53.98 59.54 |
’--- --- --- |
||
26 28 30 |
‘--- 700 --- |
660 711 762 |
’--- --- 6.35 |
’--- ---7.92 |
7.92 7.92 7.92 |
12.70 12.70 12.70 |
’--- 15.88 15.88 |
‘--- --- --- |
9.53 9.53 9.53 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
12.70 12.70 12.70 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
||
32 34 36 |
‘800 --- 900 |
813 864 914 |
’--- --- --- |
‘--- --- --- |
7.92 7.92 7.92 |
12.70 12.70 12.70 |
15.88 15.88 15.88 |
’--- --- --- |
9.53 9.53 9.53 |
17.48 17.48 19.05 |
‘--- --- --- |
’--- --- --- |
12.70 12.70 12.70 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
||
38 40 42 |
‘--- 1000 --- |
965 1016 1067 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
’--- --- --- |
‘--- --- --- |
‘--- --- --- |
9.53 9.53 9.53 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
12.70 12.70 12.70 |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
’--- --- --- |
‘--- --- --- |
||
44 46 48 |
‘1100 --- 1200 |
1118 1168 1219 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
9.53 9.53 9.53 |
’--- --- --- |
‘--- --- --- |
12.70 12.70 12.70 |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
‘--- --- --- |
’--- --- --- |
‘--- --- - |
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说明:此钢管标准表公称通径中NPS是指以英制(inch)英寸为基准,DN是以公制(mm)厘米为基准,外径及公称壁厚也以厘米为基准。 |