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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-dateSCH壁厚等级对照表SCH壁厚等级对照表壁厚SCH等级规格对照表公称直径DN外径(D)公称壁厚A系列B系列Sch5sSch10sSch20sLGSch20Sch30STDSch40Sch60XSSch80Sch100Sch120Sch140Sch18015202521.326.933.71825321.61.61.62.12.12.82.62.63.2-2.92.93
2、.2-3.64.04.5-4.55.66.332405042.448.360.33845571.61.61.62.82.82.83.23.23.6-3.2-3.63.64.0-5.05.05.6-6.37.18.865809076.188.9101.67689-2.02.02.03.03.03.03.64.04.0-4.54.54.5-5.05.65.6-7.18.08.0-10.011.012.5100125150114.3139.7168.31081331592.02.92.93.03.43.44.05.05.0-5.05.05.6-5.96.37.1-8.810.011.0-11.012
3、.514.2-14.216.017.5200250300219.1273.0323.92192733252.93.64.04.04.04.56.36.36.3-6.36.36.37.18.08.8-8.08.810.010.012.514.2-12.516.017.516.017.522.217.522.225.020.025.028.022.228.032.0350400450500550600355.6406.4457.0508.0559610377426478529-6304.04.04.05.05.05.65.05.05.05.65.66.3-8.08.08.08.08.08.08.0
4、8.08.010.0-10.010.011.012.5-10.010.010.010.010.010.011.012.514.216.0-17.516.017.520.020.0-13.013.013.013.013.013.020.022.225.028.030.032.025.828.530.032.0-28.030.036.040.0-32.036.040.045.0-36.040.045.050.0-650700750660711762-720-8.08.08.0-10.010.010.0-13.013.013.0-800850900813864914820-920-8.08.08.0-10.010.010.0-13.013.013.0-9501000105096510161067-1020-8.08.08.0-10.010.010.0-13.013.013.0-1100115012001118116812191120-1220-8.08.08.0-10.010.010.0-13.013.013.0-