钢管公制、英制尺寸对照表

Nominal OD pipe size 10 20 30 STD 40 60 XS 80 100 120 140 160 XXS mm mm/inch 6 1.7 1.7 2.4 2.4 1/8 10.3 0.37 0.37 0.47 0.47 8 2.2 2.2 3.0 3.0 1/4 13.7 0.63 0.63 0.80 0.80 10 2.3 2.3 3.2 3.2 3/8 17.1 0.84 0.84 1.10 1.10 15 2.8 2.8 3.7 3.7 4.8 7.5 1/2 21.3 1.27 1.27 1.62 1.62 1.95 2.55 20 2.9 2.9 3.9 3.9 5.6 7.8 3/4 26.7 1.69 1.69 2.20 2.20 2.90 3. 25 3.4 3.4 4.6 4.6 6.4 9.1 1 33.4 2.50 2.50 3.24 3.24 4.24 5.45 32 3.6 3.6 4.9 4.9 6.4 9.7 11/4 42.2 3.39 3.39 4.47 4.47 5.61 7.77 40 3.7 3.7 5.1 5.1 7.1 10.2 11/2 48.3 4.05 4.05 5.41 5.41 7.25 9.56 50 3.9 3.9 5.5 5.5 8.7 11.1 2 60.3 5.44 5.44 7.48 7.48 11.11 13.44 65 5.2 5.2 7.0 7.0 9.5 14.0 21/2 73.0 8.63 8.63 11.41 11.41 14.92 20.39 80 5.5 5.5 7.6 7.6 11.1 15.2 3 88.9 11.29 11.29 15.27 15.27 21.35 27.68 90 5.8 5.8 8.1 8.1 - - 31/2 101.6 13.57 13.57 18.63 18.63 100 6.0 6.0 8.6 8.6 11.1 13.5 17.1 4 114.3 16.07 16.07 22.32 22.32 28.32 33.54 41.03 125 6.6 6.6 9.5 9.5 12.7 15.9 19.1 5 141.3 21.77 21.77 30.97 30.97 40.26 49.11 57.43 150 7.1 7.1 11.0 11.0 14.3 18.3 22.0 6 168.3 28.26 28.26 42.56 42.56 54.2 67.56 79.22 200 6.35 7.04 8.2 8.2 10.3 12.7 12.7 15.1 18.3 20.6 23.0 22.2 8 219.1 33.31 36.81 42.55 42.55 53.08 . . 75.92 90.44 100.92 111.27 107.92 250 6.35 7.80 9.3 9.3 12.7 12.7 15.1 18.3 21.4 25.4 28.6 25.4 10 273.1 41.77 51.03 60.31 60.31 81.55 81.55 96.01 114.75 133.06 155.15 172.33 155.15 300 6.35 8.38 9.5 10.3 14.3 12.7 17.5 21.4 25.4 28.6 33.3 25.4 12 323.9 49.73 65.20 73.88 79.73 108.96 97.46 132.08 159.91 186.75 208.14 238.76 186.97 350 6.35 7.92 9.53 9.5 11.1 15.1 12.7 19.1 23.8 27.8 31.8 35.7 14 355.6 54.69 67.90 81.33 81.33 94.55 126.71 107.39 159.10 194.96 224.65 253.56 281.70 Nominal OD pipe size 10 20 30 STD 40 60 XS 80 100 120 140 160 XXS mm mm/inch 400 6.35 7.92 9.53 9.5 12.7 16.7 12.7 21.4 26.2 31.0 36.5 40.5 16 406.4 62. 77.83 93.27 93.27 123.30 160.12 123.30 203.53 245.56 286. 333.19 365.35 450 6.35 7.92 11.13 9.5 14.3 19.1 12.7 23.9 29.4 34.9 39.7 45.2 18 457.2 70.57 87.71 122.38 105.16 155.80 205.74 139.15 254.55 309.62 363.56 408.26 459.37 500 6.35 9.53 12.7 9.5 16.1 20.6 12.7 26.2 32.6 38.1 44.5 50.0 20 508.0 78.55 117.15 155.12 117.15 183.42 247.83 155.12 311.17 381.53 441.49 508.11 5.81 550 6.35 9.53 12.7 9.5 - 22.2 12.7 28.6 34.9 41.3 47.6 54.0 22 558.8 86.54 129.13 171.09 129.13 294.25 171.09 373.83 451.42 527.02 600.63 672.26 600 6.35 9.53 14.27 9.5 17.5 24.6 12.7 31.0 38.9 46.0 52.4 59.5 24 609.6 94.53 141.12 209. 141.12 255.41 355.26 187.06 442.08 547.71 0.03 720.15 808.22 650 7.92 12.7 - 9.5 - 12.7 26 660.4 127.36 202.72 152.87 202.72 700 7.92 12.7 15.88 9.5 - 12.7 28 711.2 137.32 218.69 271.21 1.85 218.69 750 7.92 12.7 15.88 9.5 - 12.7 30 762.0 147.28 234.67 292.18 176.84 234.67 800 7.92 12.7 15.88 9.5 17.5 12.7 Wall Thickness=mm 32 812.8 157.24 250. 312.15 188.82 342.91 250. Weight=kg/m(plain end 850 7.92 12.7 15.88 9.5 17.5 12.7 mass) 34 863.6 167.20 266.61 332.12 200.31 3.90 266.61 900 36 7.92 12.7 15.88 9.5 19.1 176.96 282.27 351.70 212.56 420.40 914.4 12.7 282.27 5s’10s’40s’80s-ANSI B36.19 注： 大于12寸的钢管，外径＝英寸数X25.4