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1、钢管壁厚等级对照表字体大小：-?发表于10-06-1410:36?阅读(2077)?分类：公称直径DN外径(D)Sch5sSch10sSch20sLGSch20公称壁厚Sch80Sch100Sch120Sch140Sch180A系列B系列Sch30STDSch40Sch60XS1521.3181.62.12.6-2.9-3.6-4.52026.9251.62.12.6-2.9-4-5.62533.7321.62.83.2-3.2-4.5-6.33242.4381.62.83.2-3.6-5-6.34048.3451.62.83.2-3.6-5-7.15060.3571.62.83.6-3.2-
2、4-5.6-8.86576.176233.6-4.5-5-7.1-108088.989234-4.5-5.6-8-1190101.6-234-4.5-5.6-8-12.5100114.310823455.98.81114.2125139.71332.93.4556.31012.516150168.31592.93.455.67.11114.217.5200219.12192.946.36.37.181012.51617.52022.22502732733.646.36.388.812.51617.522.22528300323.932544.56.36.38.81014.217.522.225
3、2832350355.6377458810101116132025.8283236400406.44264588101012.517.51322.228.53036404504574784588111014.22013253036404550050852955.681012.510162013283240455055055955.681013306006106305.66.381017.513326506608101370071172081013750762810138008138208101385086481013900914920810139509658101310001016102081013105010678101311001118112081013115011688101312001219122081013