l a 系 列 钢 管 的 规 格 尺 寸 和 单 位 理 论 重 量钢管规格DN6810152025″.1/8.1/4.3/8.1/2.3/41外径mm10.213.517.221.326.933.742.448.360.376.188.9114.3139.7168.3219.1273.0323.9355.06.4457.0508.0559.0610.0SCH5smmKg/m1.01.21.21.61.61.61.61.61.62.02.02.02.92.92.93..04.04.04.05.05.05.60.230.360.470.781.001.271.611.842.323.654.295.549.7811.8315.4623.9231.5534.6839.6944.6862.0268.3183.47SCH10sSCH10SCH20mmKg/mSCH30mmKg/mSCH40smm1.81.82.32.92.93.23.63.63.24.54.55.05.05.66.36.36.38.08.08.04.517.959.3713.4816.6122.4733.01.4349.347.18.08.837.1252.284.05.05.66.36.37.18.08.8Kg/m0.370.520.851.321.722.413.443.975.558.7711.5016.7820.7228.2241.6557.3377.4185.2297.75110.23122.81钢 管 壁 厚 和 单 位 理 论 重 量SCH40mm1.82.32.32.92.93.23.63..05.05.66.36.37.18.08.810.011.012.514.216.0Kg/m0.370.0.851.321.722.413.443.975.558.7711.5016.7820.7228.2241.6510.057.3312.577.4114.293.4816.0121.4217.5155.0620.0194.1220.0——25.0255.6925.0SCH60mmKg/mSCH80smm2.32.93.23..04.55.05.05.67.18.08.810.011.051.5612.580.3012.5108.4512.5Kg/m0.450.761.101.572.263.244.615.347.5512.0815.9622.31.9842.6763.6880.3095.99SCH80mm2.32.93.23..04.55.05.05.67.18.08.810.011.012.5Kg/m0.450.761.101.572.263.244.615.347.5512.0815.9622.31.9842.6763.6816.010.012.514.280.1417.528.0239.2153.9687.0020.098.20137.48204.31255.37328.83411.38513.82627.60752.754.55.66.36.37.18.810.011.014.216.017.51.862.944.265.617.2111.1816.3021.1335.0548.8165.08SCH100mmKg/mSCH120mmKg/mSCH140mmKg/mSCH160mmKg/mmmKg/mmmKg/m1.21.61.62.02.02.92.92.92.93.23.23.20.270.470.620.951.232.202.823.254.105.756.768.76321.1/4401.1/2502652.1/2801001251502002503003504004505005506003456810121416182022243.612.083.614.624.021.224.026.534.535.445.043.236.354.275.049.496.362.165.055.736.370.0222.2107.7928.0169.1732.0230.3436.0283.7340.0361.4245.0457.2050.05.7155.0683.5860.0813.7816.0101.4017.5110.2622.2137.3026.068.3810.085.2610.097.7810.0120.9810.0152.7410.0168.4610.0208.6310.017.5132.2322.2165.1825.0184.2728.020.0165.5225.022.2210.3328.025.0266.3330.028.0331.4332.028.0366.36.032.0456.1140.0203.8128.0226.2032.0261.2830.0278.4536.0315.36.0373.7540.0375.6240.0461.45.04.3040.0511.9750.0562.2545.0626.9855.068.5710.078.6010.088.5811.0133.9912.5105.76167.8312.5121.42215.5312.5137.02240.6812.5152.74329.2112.5168.46360.6512.5184.185.669.386.377.9410.0122.8112.55.676.426.385.8710.0135.3812.56.393.796.393.7910.0147.9614.2135.38——147.9617.5注：1、壁厚系列号（SCH）后加S者仅适用于奥氏体不锈钢钢管 2、本表可用于无缝钢管或焊接钢管
3、尽可能不选用DN32、65、125、550几种规格的钢管
4、钢管质量计算公式：W=24.6616δ（D-δ）÷1000 D为外径 δ为壁厚