HG20553Ia-2011碳素钢合金钢管
公称直径 NPS 外径 SCH5 SCH10 SCH20 SCH30 SCH40 SCH60 SCH80 SCH100 SCH120 SCH140 SCH160 备注
6 1/8 10.2 0.27 0.34 0.37 0.45  
8 1/4 13.5 0.47 0.52 0.64 0.76  
10 3/8 17.2 0.62 0.68 0.85 1.1  
15 1/2 21.3 0.78 0.95 1.08 1.32 1.57 1.86  
20 3/4 26.9 1 1.23 1.40 1.72 2.26 2.94  
25 1 33.7 1.27 1.99 2.20 2.41 3.24 4.26  
32 1.25 42.4 1.61 2.82 3.09 3.44 4.61 5.61  
40 1.5 48.3 1.84 3.25 3.56 3.97 5.34 7.21  
50 2 60.3 2.32 4.10 4.51 5.55 7.55 11.18  
65 2.5 76.1 3.65 5.75 7.95 8.77 12.08 16.30  
80 3 88.9 4.29 6.76 10.35 11.50 15.96 21.13  
100 4 114.3 5.54 8.76 13.48 16.78 22.90 28.02 35.05  
125 5 139.7 9.78 12.08 20.73 31.99 39.21 48.81  
150 6 168.3 11.83 14.62 28.23 42.67 53.96 65.08  
200 8 219.1 15.46 21.22 33.06 37.12 41.65 51.57 63.69 80.14 87.01 98.20 107.80  
250 10 273 23.92 26.54 41.43 52.28 57.34 80.3 101.4 110.27 137.31 152.90 169.18  
300 12 323.9 31.56 35.45 49.34 68.38 77.41 108.45 132.23 165.18 184.28 204.33 230.36  
350 14 355.6 34.68 54.27 68.58 85.23 93.48 140 165.53 203.83 226.22 255.37 283.75  
400 16 406.4 39.7 62.16 78.60 97.76 121.43 167.84 210.34 261.29 278.48 328.85 361.44  
450 18 457 44.69 70.02 88.58 120.99 155.06 215.54 266.34 315.91 373.77 411.35 457.22  
500 20 508 62.02 77.95 122.81 152.74 194.14 240.7 331.45 375.64 461.66 513.82 564.75  
550 22 559,0 68.31 85.87 135.39 168.47 293.89 366.67 464.33 511.97 627.64 683.62  
600 24 610 83.47 93.80 147.97 208.65 255.71 360.67 456.14 562.28 627.02 752.79 813.83