管道尺寸对照表

Iɑ系列钢管的尺寸和理论重量公称直径外径壁厚和理论重量DNSch.5SSch.10SSch.10Sch.20Sch.30Sch.40SSch.40Sch.60Sch.80SSch.80Sch.100Sch.120Sch.140Sch.160ABmmmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/m61/810.21.00.231.20.271.80.371.80.372.30.452.30.4581/413.51.20.361.60.471.80.522.30.642.90.762.90.76103/817.21.20.471.60.622.30.852.30.853.21.13.21.10151/221.31.60.782.00.952.91.322.91.323.61.573.61.57203/426.91.61.002.01.232.91.722.91.724.02.264.02.2625133.71.61.272.92.203.22.413.22.414.53.244.53.24（32）1-1/442.41.61.612.92.823.63.443.63.445.04.615.04.61401-1/248.31.61.842.93.253.63.973.63.975.05.345.05.3450260.31.62.322.94.103.24.514.05.554.05.555.67.555.67.558.811.18（65）2-1/276.12.03.653.25.754.57.955.08.775.08.777.112.087.112.0810.016.3080388.92.04.293.26.764.59.375.611.505.611.508.015.968.015.9611.021.131004114.32.05.543.28.765.013.486.316.786.316.788.822.898.822.8911.028.0214.235.05（125）5139.72.99.783.612.085.016.616.320.726.320.7210.031.9810.031.9812.539.2116.048.811506168.32.911.833.614.625.622.477.128.227.128.2211.042.6711.042.6714.253.9617.565.082008219.12.915.454.021.226.333.067.137.128.041.658.041.6510.051.5612.563.6812.563.6816.080.1417.587.002098.2022.2107.7925010273.03.623.924.026.536.341.438.052.288.857.338.857.3312.580.3012.580.316.0101.4017.5110.2622.2137.3025137.4828.0169.1730012323.94.031.554.535.446.349.348.868.3810.077.4110.077.4114.2108.4512.595.9917.5132.2322.2160.1725.0184.2728204.3132.0230.3435014355.64.034.685.043.236.354.278.068.5710.085.2210.085.2211.093.4816.0133.9912.5105.7620.0165.5225.0203.8128.0226.2032255.3636.0283.7340016406.44.039.695.049.496.362.168.078.6010.097.7510.097.7512.5121.4217.5167.8312.5121.4222.2210.3328.0261.2830.0278.4536328.8340.0361.4245018457.04.044.685.055.736.370.028.088.5811.0120.9810.0110.2314.2155.0620.0215.5312.5137.0225.0266.3330.0315.8936.0373.7540411.3345.0457.2050020508.05.062.025.669.386.377.9410.0122.8112.5152.7410.0122.8116.0194.1220.0240.6812.5152.7428.0331.4332.0357.6240.0461.6445513.7950.0564.71（550）22559.05.068.315.676.426.385.8710.0135.3812.5168.4610.0135.3825.0329.2112.5168.4628.0366.6436.0464.3040.0511.9450627.6055.0683.5860024610.05.683.476.393.796.393.7910.0147.9614.2208.6310.0147.9617.5255.6925.0360.6512.5184.1832.0456.1140.0562.2545.0625.9855752.7560.0813.78注：1.壁厚系列号（Sch.No.)后缀加S者，仅用于奥氏体不锈钢钢管。2.本可用于无缝或焊接钢管。3.尽可能不用括号内的规格。