壁厚表GB 12459 、GB/T13401 Wall Thicknesses Schedule 公称通径 Norminal Pipe Size DN 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 外径 Outside Diameter 公 称 壁 厚 T Norminal Wall Thickness A系B系列 列 sch5sch10sch20sch2sch3STsch4schsch8sch10sch12sch14sch16LG xs SeriSeris s s 0 0 D 0 60 0 0 0 0 0 es A es B ------21.3 18 1.6 2.1 2.6 --- --- 2.9 --- 3.6 --- --- --- 4.5 - - - ------26.9 25 1.6 2.1 2.6 --- --- 2.9 --- 4 --- --- --- 5.6 - - - ------33.7 32 1.6 2.8 3.2 --- --- 3.2 --- 4.5 --- --- --- 6.3 - - - ------42.4 38 1.6 28 3.2 --- --- 3.6 --- 5 --- --- --- 6.3 - - - ------48.3 45 1.6 2.8 3.2 --- --- 3.6 --- 5 --- --- --- 7.1 - - - ------60.3 57 1.6 2.8 3.6 3.2 --- 4 --- 5.6 --- --- --- 8.8 - - - ------76.1 76 2 3 3.6 4.5 --- 5 --- 7.1 --- --- --- 10 - - - ------88.9 2 3 4 4.5 --- 5.6 --- 8 --- --- --- 11 - - - 101.--------- 2 3 4 4.5 --- 5.6 --- 8 --- --- --- 12.5 6 - - - 114.------108 2 3 4 5 --- 5.9 --- 8.8 --- 11 --- 14.2 3 - - - 139.------133 2.9 3.4 5 5 --- 6.3 --- 10 --- 12.5 --- 16 7 - - - 168.------159 2.9 3.4 5 5.6 --- 7.1 --- 11.1 --- 14.2 --- 17.5 3 - - - 219.------219 2.9 4 6.3 6.3 7.1 8 10 12.5 16 17.5 20 22.2 1 - - - ----12.--273 273 3.6 4 6.3 6.3 8 8.8 16 17.5 22.2 25 28 - - 5 - 323.----14.--325 4 4.5 6.3 6.3 8.8 10 17.5 22.2 25 28 32 9 - - 2 - 355.377 4 5 8 8 8 10 10 11 16 13 20 25.8 28 32 36 6 406.17.426 4 5 8 8 8 10 10 12.5 13 22.2 28 30 36 40 4 5 457.478 4 5 8 8 8 11 10 14.2 20 13 25 30 36 40 45 2 508 529 5 5.6 8 8 10 12.5 10 16 20 13 28 32 40 45 50 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 559 --- 5 610 630 5.6 660 --- --- 711 720 --- 762 --- --- 813 820 --- 8 --- --- 914 920 --- 965 --- --- 1016 1020 --- 1067 --- --- 1118 1120 --- 1168 --- --- 1220 1220 --- 5.6 6.3 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 8 8 8 8 8 8 8 8 8 8 8 8 8 8 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 10 --- --- 13 30 --- 10 17.5 --- 13 32 --- 10 --- --- 13 --- 10 --- --- 13 --- 10 --- --- 13 --- 10 --- --- 13 注:1、sch5s、10s、40s、80s--- 10 --- --- 13 用于不锈钢管件 --- 10 --- --- 13 2、GB 12459为无缝对焊管件标--- 10 --- --- 13 准,GB/T 13401为钢板制对焊--- 10 --- --- 13 管件标准。 --- 10 --- --- 13 --- 10 --- --- 13 --- 10 --- --- 13 --- 10 --- --- 13