钢管尺寸-SCH英寸对照表

ABASMESCH10SCH20SCH30STDSCH40SCH60XSSCH80SCH100SCH120SCH140SCH160XXS151/221.32.112.412.772.773.733.734.787.47203/426.72.112.412.872.873.913.915.567.8225133.42.772.93.383.384.554.556.359.09321.1/442.22.772.973.563.564.854.856.359.7401.1/248.32.773.183.683.685.085.087.1410.1550260.32.773.183.913.915.545.548.7411.07652.1/2733.054.785.165.167.017.019.5314.0280388.93.054.785.495.497.627.6211.1315.25903.1/2101.63.054.785.745.748.088.081004114.33.054.786.026.028.568.5611.1313.4917.121255141.33.46.556.559.539.5312.715.8819.051506168.33.47.117.1110.9710.9714.2718.2621.952008219.13.766.357.048.188.1810.3112.712.715.0918.2620.6223.0122.23250102734.196.357.89.279.2712.712.715.0918.2621.4425.428.5825.430012323.84.576.358.389.5310.3114.2712.717.4821.4425.428.5833.3225.435014355.66.357.929.539.5311.1315.0912.719.0523.8327.7931.7535.7140016406.46.357.929.539.5312.716.6612.721.4426.1930.9636.5340.1945018457.26.357.9211.139.5314.2719.0512.723.8339.3634.9339.6745.24500205086.359.5312.79.5315.0920.6212.726.1932.5438.144.4550.0155022558.86.359.5312.79.5322.2312.728.5834.9341.2847.6353.9860024609.66.359.5314.279.5317.4824.6112.730.9638.8946.0252.3759.5465026660.47.9212.79.5312.770028711.27.9212.715.889.5312.7750307627.9212.715.889.5312.780032812.87.9212.715.889.5317.4812.785034863.67.9212.715.889.5317.4812.790036914.47.9212.715.889.5319.0512.795038965.29.5312.710004010169.5312.71050421066.89.5312.71100441117.69.5312.71150461168.49.5312.71200481219.29.5312.7外径NOMINALPIPESIZE壁厚表示英制管壁厚系列：Sch.20----全称：Schedule20Sch.10s--带s的系列为不锈钢专用，碳钢不用。举个例子：2sch.10s表示2”接管的壁厚为2.9mm,材质为不锈钢；2sch.40表示2”接管的壁厚为4.0mm。顺便再说一下钢管壁厚的表示方法：钢管壁厚表示方法有管子表号、钢管壁厚尺寸和管子重量三种方法1）是以管子表号Sch表示壁厚。管子表号是管子设计压力与设计温度下材料许用应力的比值乘以1000,并经圆整后的数值。即:Sch＝P/[σ]t×1000ANSIB36.10壁厚等级：Sch10、Sch20、Sch30、Sch40、Sch60、Sch80、Sch100、Sch120、Sch140、Sch160十个等级;ANSIB36.19壁厚等级：Sch5s、Sch10s、Sch40s、Sch80s四个等级;2）以钢管壁厚尺寸表示中国、ISO、日本部分钢管标准采用3）是以管子重量表示管壁厚度,它将管子壁厚分为三种：a.标准重量管,以STD表示b加厚管，以XS表示c.特厚管，以XXS表示。对于DN≤250mn的管子，Sch40相当于STD，DN200mm的管子,Sch80相当于XS。表示英制管壁厚系列：Sch.20----全称：Schedule20Sch.10s--带s的系列为不锈钢专用，碳钢不用。举个例子：2sch.10s表示2”接管的壁厚为2.9mm,材质为不锈钢；2sch.40表示2”接管的壁厚为4.0mm。顺便再说一下钢管壁厚的表示方法：钢管壁厚表示方法有管子表号、钢管壁厚尺寸和管子重量三种方法1）是以管子表号Sch表示壁厚。管子表号是管子设计压力与设计温度下材料许用应力的比值乘以1000,并经圆整后的数值。即:Sch＝P/[σ]t×1000ANSIB36.10壁厚等级：Sch10、Sch20、Sch30、Sch40、Sch60、Sch80、Sch100、Sch120、Sch140、Sch160十个等级;ANSIB36.19壁厚等级：Sch5s、Sch10s、Sch40s、Sch80s四个等级;2）以钢管壁厚尺寸表示中国、ISO、日本部分钢管标准采用3）是以管子重量表示管壁厚度,它将管子壁厚分为三种：a.标准重量管,以STD表示b加厚管，以XS表示c.特厚管，以XXS表示。对于DN≤250mn的管子，Sch40相当于STD，DN200mm的管子,Sch80相当于XS。