SCH系列通徑壁厚對照表

1、壁厚表Wall Thicknesses ScheduleANSI/ASME B36.10M、B36.19M公稱通徑Norminal Pipe Size DN(in.)外徑Outside DiameterD公稱壁厚TNorminal Wall Thickness sch5ssch10ssch10sch20sch30sch40sSTDsch40sch60sch80sXSsch80sch100sch120sch140sch160XXS1/810.3-1.24-1.731.731.73-2.412.412.41-1/413.7-1.65-2.242.242.24-3.023.023.02-3/817.

2、1-1.65-2.312.312.31-3.23.23.2-1/221.31.652.11-2.772.772.77-3.733.733.73-4.787.473/426.71.652.11-2.872.872.87-3.913.913.91-5.567.82133.41.652.77-3.383.383.38-4.554.554.55-6.359.091¼42.21.652.77-3.563.563.56-4.854.854.85-6.359.71½48.31.652.77-3.683.683.68-5.085.085.08-7.1410.15260.31.652.77-

3、3.913.913.91-5.545.545.54-8.7411.072½732.113.05-5.165.165.16-7.017.017.01-9.5314.02388.92.113.05-5.495.495.49-7.627.627.62-11.1315.243½101.62.113.05-5.745.745.74-8.088.088.08-4114.32.113.05-6.026.026.02-8.568.568.56-11.13-13.4917.125141.32.773.4-6.556.556.55-9.539.539.53-12.7-15.8819.05616

4、8.32.773.4-7.117.117.11-10.9710.9710.97-14.27-18.2621.958219.12.773.76-6.357.048.188.188.1810.3112.712.712.715.0918.2620.6223.0122.2310273.13.44.19-6.357.89.279.279.2712.712.712.715.09 18.2625.428.5825.412323.93.964.57-6.358.389.539.5310.3114.2712.712.717.4821.4425.428.5833.3225.414355.63.964.786.35

5、7.929.53-9.5311.1315.09-12.719.0523.8327.7931.7535.7116406.44.194.786.357.929.53-9.5312.716.66-12.721.4426.1930.9636.5340.4918457.24.194.786.357.9211.13-9.5314.2719.05-12.723.8329.3634.9339.6745.24205084.785.546.359.5312.7-9.5315.0920.62-12.726.1932.5438.144.4550.0122558.84.785.546.359.5312.7-9.53-2

6、2.23-12.728.5834.9341.2847.6353.9824609.65.546.356.359.5314.27-9.5317.4824.61-12.730.9638.8946.0252.3759.5426660.4-7.9212.7-9.53-12.728711.2-7.9212.715.88-9.53-12.7307626.357.927.9212.715.88-9.53-12.732812.8-7.9212.715.8817.489.5317.48-12.734863.6-7.9212.715.8817.489.5317.48-12.736914.4-7.9212.715.8

7、819.059.5319.05-12.738965.2-9.53-12.7注：sch5s、10s、40s、80s用于鋼管件。401016-9.53-12.7421066.8-9.53-12.7441117.6-9.53-12.7461168.4-9.53-12.7481219.2-9.53-12.7SCH表示英制管壁厚系列：Sch.20-全稱：Schedule 20;Sch.10s-帶s的系列為不銹鋼專用，碳鋼不用。舉個例子：2" sch.10s 表示2”接管的壁厚為2.9mm,材質為不銹鋼；2" sch.40 表示2”接管的壁厚為3.91mm。1）是以管子表號"Sch"表示壁厚。 管子表號是管子設計壓力與設計溫度下材料許用應力的比值乘1000,并經圓整后的數(shù)值。即: SchP/t×1000 ANSI B36.10壁厚等級：Sch10、Sch20、Sch30、Sch40、Sch60、Sch80、Sch100、Sch120、Sch140、Sch160十個等級; ANSI B36.19壁厚等級：Sch5s、Sch10s、Sch40s、Sch80s四個等級; 2）以鋼管壁厚尺寸表示 中國、ISO、日本部分鋼管標準