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钢管外径(OD)DN、B英寸、美标SCH壁厚对照表
NOMINAL PIPE SIZE | OD | NOMINAL WALL THICKNESS | |||||||||||||
DN | B | ASME | SCH10 | SCH20 | SCH30 | STD | SCH40 | SCH60 | XS | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 | XXS |
15 | 1/2" | 21.3 | 2.11 |
| 2.41 | 2.77 | 2.77 |
| 3.73 | 3.73 |
|
|
| 4.78 | 7.47 |
20 | 3/4" | 26.7 | 2.11 |
| 2.41 | 2.87 | 2.87 |
| 3.91 | 3.91 |
|
|
| 5.56 | 7.82 |
25 | 1" | 33.4 | 2.77 |
| 2.9 | 3.38 | 3.38 |
| 4.55 | 4.55 |
|
|
| 6.35 | 9.09 |
32 | 1.1/4" | 42.2 | 2.77 |
| 2.97 | 3.56 | 3.56 |
| 4.85 | 4.85 |
|
|
| 6.35 | 9.7 |
40 | 1.1/2" | 48.3 | 2.77 |
| 3.18 | 3.68 | 3.68 |
| 5.08 | 5.08 |
|
|
| 7.14 | 10.15 |
50 | 2" | 60.3 | 2.77 |
| 3.18 | 3.91 | 3.91 |
| 5.54 | 5.54 |
|
|
| 8.74 | 11.07 |
65 | 2.1/2" | 73 | 3.05 |
| 4.78 | 5.16 | 5.16 |
| 7.01 | 7.01 |
|
|
| 9.53 | 14.02 |
80 | 3" | 88.9 | 3.05 |
| 4.78 | 5.49 | 5.49 |
| 7.62 | 7.62 |
|
|
| 11.13 | 15.25 |
90 | 3.1/2" | 101.6 | 3.05 |
| 4.78 | 5.74 | 5.74 |
| 8.08 | 8.08 |
|
|
|
|
|
100 | 4" | 114.3 | 3.05 |
| 4.78 | 6.02 | 6.02 |
| 8.56 | 8.56 |
| 11.13 |
| 13.49 | 17.12 |
125 | 5" | 141.3 | 3.4 |
|
| 6.55 | 6.55 |
| 9.53 | 9.53 |
| 12.7 |
| 15.88 | 19.05 |
150 | 6" | 168.3 | 3.4 |
|
| 7.11 | 7.11 |
| 10.97 | 10.97 |
| 14.27 |
| 18.26 | 21.95 |
200 | 8" | 219.1 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
250 | 10" | 273 | 4.19 | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 | 25.4 |
300 | 12" | 323.8 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 | 25.4 |
350 | 14" | 355.6 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.7 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 |
|
400 | 16" | 406.4 | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | 12.7 | 21.44 | 26.19 | 30.96 | 36.53 | 40.19 |
|
450 | 18" | 457.2 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.7 | 23.83 | 39.36 | 34.93 | 39.67 | 45.24 |
|
500 | 20" | 508 | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 20.62 | 12.7 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 |
|
550 | 22" | 558.8 | 6.35 | 9.53 | 12.7 | 9.53 |
| 22.23 | 12.7 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 |
|
600 | 24" | 609.6 | 6.35 | 9.53 | 14.27 | 9.53 | 17.48 | 24.61 | 12.7 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 |
|
650 | 26" | 660.4 | 7.92 | 12.7 |
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
700 | 28" | 711.2 | 7.92 | 12.7 | 15.88 | 9.53 |
|
| 12.7 |
|
|
|
|
|
|
750 | 30" | 762 | 7.92 | 12.7 | 15.88 | 9.53 |
|
| 12.7 |
|
|
|
|
| |
800 | 32" | 812.8 | 7.92 | 12.7 | 15.88 | 9.53 | 17.48 |
| 12.7 |
|
|
|
|
|
|
850 | 34" | 863.6 | 7.92 | 12.7 | 15.88 | 9.53 | 17.48 |
| 12.7 |
|
|
|
|
|
|
900 | 36" | 914.4 | 7.92 | 12.7 | 15.88 | 9.53 | 19.05 |
| 12.7 |
|
|
|
|
|
|
950 | 38" | 965.2 |
|
|
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
1000 | 40" | 1016 |
|
|
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
1050 | 42" | 1066.8 |
|
|
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
1100 | 44" | 1117.6 |
|
|
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
1150 | 46" | 1168.4 |
|
|
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
1200 | 48" | 1219.2 |
|
|
| 9.53 |
|
| 12.7 |
|
|
|
|
|
|
