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2.1/2 80～90 3～3.1/2 1 100 4 +2，-1 125～150 5～6 +3，-1 200 8 2 250 10 +4,-3 300～450 12～18 +4,-3 500～600 20～24 +6,-5 650～750 26～30 +7,-5 800～32～48 +7，-5 1200 壁厚分级表 ANSI B36.10 ＆ B36.19

1.6 壁厚的 1.6 87.5% 1.6 Not 1.6 Inss 3.2 than 3.2 87.5% 4.8 of nominal 4.8 thick- 4.8 ness 2 2 2 2 2 3 3 3 5 2 2 2 2 2 3 3 3 5 4 4 7 7 7 7 7 10 10 7 7 7 7 10 10 10 … … 7 7 7 7 7 7 7 … … 1 1 1 1 2 2 2 … … Nom Pipe OD Sch Sch Sch Size 5s 10s 10 (in) 1/8 10.3 - 1.24 - 1/4 13.7 - 1.65 - 3/8 17.1 - 1.65 - 1/2 21.3 1.65 2.11 - 3/4 26.7 1.65 2.11 - 1 33.4 1.65 2.77 - 1.1/4 42.2 1.65 2.77 - Nominal Wall Thickness Sch Sch Sch Sch Sch Sch Sch Sch STD XS 20 30 40 60 80 100 120 140 - - - - - - - - - - - - - - 1.73 1.73 2.41 2.24 2.24 3.02 2.31 2.31 3.20 2.77 2.77 3.73 2.87 2.87 3.91 3.38 3.38 4.55 3.56 3.56 4.85 - - - - - - - 2.41 3.02 3.20 3.73 3.91 4.55 4.85 - - - - - - - - - - - - - - - - - - - - - mm Nom Pipe Sch XXS Size 160 (in) - - 1/8 - - 1/4 - - 3/8 4.78 7.47 1/2 5.56 7.82 3/4 6.35 9.09 1 6.35 9.70 1.1/4 1.1/2 48.3 1.65 2.77 - - - 3.68 3.68 5.08 - 5.05 - - - 7.14 10.15 1.1/2 2 60.3 1.65 2.77 - - - 3.91 3.91 5.54 - 5.54 - - - 8.74 11.07 2 2.1/2 73.0 2.11 3.05 - - - 5.16 5.16 7.01 - 7.01 - - - 9.53 14.01 2.1/2 3 88.9 2.11 3.05 - - - 5.49 5.49 7.62 - 7.62 - - - 11.13 15.24 3 3.1/2 101.6 2.11 3.05 - - - 5.74 5.74 8.08 - 8.08 - - - - - 3.1/2 4 114.3 2.11 3.05 - - - 6.02 6.02 8.56 - 8.56 - 11.13 - 13.49 17.12 4 5 141.3 2.77 3.40 - - - 6.55 6.55 9.53 - 9.53 - 12.70 - 15.88 18.05 5 6 168.3 2.77 3.40 - - - 7.11 7.11 10.97 - 10.97 - 14.27 - 18.26 21.95 6 8 219.1 2.77 3.76 - 6.35 7.04 8.18 8.18 12.70 10.31 12.70 15.09 18.26 20.62 23.01 22.23 8 10 273.1 3.40 4.19 - 6.35 7.80 9.27 9.27 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40 10 12 323.9 3.96 4.57 - 6.35 8.38 9.53 10.31 12.70 14.27 17.48 21.44 25.40 28.58 33.32 25.40 12 14 355.6 3.96 4.78 6.35 7.92 9.53 9.53 11.13 12.70 15.09 19.08 23.83 27.79 31.75 35.71 - 14 16 406.4 4.19 4.78 6.35 7.92 9.53 9.53 12.70 12.70 16.66 21.44 26.19 30.96 36.53 40.49 - 16 18 457 4.19 4.78 6.35 7.92 11.13 9.53 14.27 12.70 19.05 23.83 29.36 34.93 39.67 45.24 - 18 20 508 4.78 5.54 6.35 9.53 12.70 9.53 15.09 12.70 20.62 26.19 32.54 38.10 44.45 50.01 - 20 22 559 4.78 5.54 6.35 9.53 12.70 9.53 - 12.70 22.23 28.58 34.93 41.28 47.63 53.98 - 22 24 610 5.54 6.35 6.35 9.53 14.27 9.53 17.48 12.70 24.61 30.96 38.89 46.02 52.37 59.54 - 24 26 660 - - 7.92 12.70 - 9.53 - 12.70 - - - - - - - 26 28 711 - - 7.92 12.70 15.88 9.53 - 12.70 - - - - - - - 28 30 762 6.35 7.92 7.92 12.70 15.88 9.53 - 12.70 - - - - - - - 30 32 813 - - 7.92 12.70 15.88 9.53 17.48 12.70 - - - - - - - 32 34 864 - - 7.92 12.70 15.88 9.53 17.48 12.70 - - - - - - - 34 36 914 - - 7.92 12.70 15.88 9.53 17.48 12.70 - - - - - - - 36 38 965 - - - - - 9.53 - 12.70 - - - - - - - 38 40 1016 - - - - - 9.53 - 12.70 - - - - - - - 40 42 1067 - - - - - 44 1118 - - - - - 46 1168 - - - - - 48 1219 - - - - - 壁厚分级表 GB 12459-90 GB/T 13401-92

9.53 9.53 9.53 9.53 - - - - 12.70 - 12.70 - 12.70 - 12.70 - - - - - - - - - - - - - - - - - - - - - - - - - 42 44 46 48 mm

公称直径DN 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 外径(D) A B Sch Sch Sch LG 系列系列 5s 10s 20s 21.3 18 1.6 2.1 2.6 - 26.9 25 1.6 2.1 2.6 - 33.7 32 1.6 2.8 3.2 - 42.4 38 1.6 2.8 3.2 - 48.3 45 1.6 2.8 3.2 - 60.3 57 1.6 2.8 3.6 - 76.1 73 2.0 3.0 3.6 - 88.9 89 2.0 3.0 4.0 - 101.6 - 2.0 3.0 4.0 - 114.3 108 2.0 3.0 4.0 - 139.7 133 2.9 3.4 4.0 - 168.3 159 2.9 3.4 4.0 - 219.4 219 2.9 4.0 6.3 - 273.0 273 3.6 4.0 6.3 - 323.9 325 4.0 4.0 6.3 - 公称壁厚 Sch Sch Sch Sch STD XS 20 30 40 60 - - - 2.9 - - - - - 2.9 - - - - - 3.2 - - - - - 3.6 - - - - - 3.6 - - 3.2 - - 4.0 - - 4.5 - - 5.0 - - 4.5 - - 5.6 - - 4.5 - - 5.6 - - 5.0 - - 5.9 - - 5.0 - - 6.3 - - 5.0 - - 7.1 - - 6.3 7.1 - 8.0 10.0 - 6.3 8.0 - 8.8 12.5 - 6.3 8.8 - 10.0 14.2 - Sch Sch Sch Sch Sch 80 100 120 140 160 3.6 - - - 4.5 4.0 - - - 5.6 4.5 - - - 6.3 5.0 - - - 6.3 5.0 - - - 7.1 5.6 - - - 8.8 7.1 - - - 10.0 8.0 - - - 11.0 8.0 - - - 12.5 8.8 - 11.0 - 14.2 10.0 - 12.5 - 16.0 11.0 - 14.2 - 17.5 12.5 16.0 17.5 20.0 22.2 16.0 17.5 22.2 25.0 28.0 17.5 22.2 25.0 28.0 32.0 350 355.6 377 4.0 5.0 - 400 406.4 426 4.0 5.0 - 450 457.0 480 4.0 5.0 - 500 508.0 529 5.0 5.6 - 550 559 - 5.0 5.6 - 600 610 630 5.6 6.3 - 650 660 - - - - 700 711 720 - - - 750 762 - - - - 800 813 820 - - - 850 864 - - - - 900 914 920 - - - 950 965 - - - - 1000 1016 1020 - - - 1050 1067 - - - - 1100 1118 1120 - - - 1150 1168 - - - - 1200 1219 1220 - - - 8.0 8.0 10.0 10.0 11.0 16.0 13.0 20.0 25.8 28.0 32.0 36.0 8.0 8.0 10.0 0.0 12.5 17.5 13.0 22.2 28.5 30.0 36.0 40.0 8.0 8.0 11.0 10.0 14.2 20.0 13.0 25.0 30.0 36.0 40.0 45.0 8.0 10.0 12.5 10.0 16.0 20.0 13.0 28.0 32.0 40.0 45.0 50.0 8.0 - - 10.0 - - 13.0 30.0 - - - - 8.0 - - 10.0 17.5 - 13.0 32.0 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - - 8.0 - - 10.0 - - 13.0 - - - - -

壁厚表 GB 12459、GB/T 13401

公称通径

外径公称壁厚 T

A系列 B系Sch Sch Sch LG Sch Sch STD Sch Sch Xs Sch Sch Sch Sch Sch

列

15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 550

21.3 26.9 33.7 42.4 48.3 60.3 76.1(73) 88.9 101.6 114.3 139.7 168.3 219.1 273.0 323.9 355.6 406.4 457.2 508.0 559

18 25 32 38 45 57 76 89 ┅

5s 10s 20s 1.6 2.1 2.6 ┅ 1.6 2.1 2.6 ┅ 1.6 2.8 3.2 ┅ 1.6 2.8 3.2 ┅ 1.6 2.8 3.2 ┅

20 30 ┅ ┅ ┅ ┅ ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

40 60 2.9 2.9 3.2 3.6 3.6 4.0 5.0 5.6 5.6 5.9 6.3 7.1

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

80 100 120 140 160 3.6 4.0

┅ ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

4.5 5.6 6.3 6.3 7.1 8.8 10.0 11.0 12.5 14.2 16.0 17.5

4.5 ┅ 5.0 5.0 5.6 7.1 8.0 8.0 8.8

┅ ┅ ┅ ┅ ┅ ┅ ┅

1.6 2.8 3.6 ┅ 3.2 2.0 3.0 3.6 ┅ 4.5 2.0 3.0 4.0 ┅ 4.5 2.0 3.0 4.0 ┅ 4.5

108 2.0 3.0 4.0 ┅ 5.0 133 2.9 3.4 5.0 ┅ 5.0 159 2.9 3.4 5.0 ┅ 5.6

11.0 ┅ 12.5 ┅ 14.2 ┅

10.0 ┅ 11.1 ┅

219 2.9 4.0 6.3 ┅ 6.3 7.1 273 3.6 4.0 6.3 ┅ 6.3 8.0 325 4.0 4.5 6.3 ┅ 6.3 8.8

8.0 10.0 ┅ 8.8 12.5 ┅ 10.0 14.2 ┅

12.5 16.0 17.5 20.0 22.2 16.0 17.5 22.2 25.0 28.0 17.5 22.2 25.0 28.0 32.0

377 4.0 5.0 8.0 8.0 8.0 10.0 10.0 11.0 16.0 13.0 20.0 25.8 28.0 32.0 36.0 426 4.0 5.0 8.0 8.0 8.0 10.0 10.0 12.5 17.5 13.0 22.2 28.0 30.0 36.0 40.0 478 4.0 5.0 8.0 8.0 8.0 11.0 10.0 14.2 20.0 13.0 25.0 30.0 36.0 40.0 45.0 529 5.0 5.6 8.0 8.0 10.0 12.5 10.0 16.0 20.0 13.0 28.0 32.0 40.0 45.0 50.0 ┅

5.0 5.6 ┅ 8.0 ┅

┅

10.0 ┅

┅

13.0 30.0

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