管道材料 等级 管径 英寸对照表

Sheet1 SCH美标、国标、管径、英寸、等级对照 管道尺寸 外径 标称壁厚 A B ASME SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS 1/4 13.72 1.65 2.24 3.02 3/8 17.15 1.65 2.31 3.2 15 1/2 21.34 2.11 2.41 2.77 2.77 3.73 3.73 4.78 7.47 20 3/4 26.67 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 11/4 42.16 2.77 2.97 3.56 3.56 4.85 4.85 6.35 9.7 40 11/2 48.26 2.77 3.18 3.68 3.68 5.08 5.08 7.14 10.15 50 2 60.33 2.77 3.18 3.91 3.91 5.54 5.54 8.74 11.07 65 21/2 73.03 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 31/2 101.6 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 11 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 32^541 381 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 V^V 127 900 36 914.4 7.92 12.7 15.88 9.53 19.05 12.7