常用鋼管規(guī)格dn對(duì)照表

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1、常用鋼管規(guī)格DN對(duì)照表DN15-ф18mm，DN20-ф25mmDN25-ф32mm，DN32-ф38mmDN40-ф45mm，DN50-ф57mmDN65-ф73mm，DN80-ф89mmDN100-ф108mm，DN125-ф133mmDN150-ф159mm，DN200-ф219mmDN250-ф273mm，DN300-ф325mmDN350-ф377mm，DN400-ф426mmDN450-ф480mm，DN500-ф530mmDN600-ф630mm焊接鋼管規(guī)格尺寸大全?外徑(毫米)壁?厚

2、（毫米）2.533.544.555.566.577.5理論重量（公斤/米）321.822.152.462.763.053.333.593.854.094.324.53382.192.592.983.353.724.074.414.745.055.355.64422.442.893.353.754.164.564.955.335.696.046.38452.623.113.584.044.494.935.365.776.176.566.94502.933.484.014.545.055.556.046

3、.516.977.427.8654-3.774.364.935.496.046.587.107.618.118.6057-4.004.625.235.836.416.997.558.108.639.1660-4.224.885.526.166.787.397.998.589.159.7163.5-4.485.185.876.557.217.878.519.149.7510.3668-4.815.576.317.057.778.489.179.8610.5311.1970-4.965.746.517.

4、278.018.759.4710.1810.8811.5673-5.186.006.817.608.389.169.9110.6611.3912.1176-5.406.267.107.938.759.5610.3611.1411.9112.6783--6.867.798.719.6210.5111.3912.2613.1213.9689--7.388.389.3810.3611.3312.2813.2214.1615.0795--7.908.9810.0411.1012.1413.1714.1915

5、.1916.18102--8.509.6710.8211.9613.0914.2115.3116.4017.48108---10.2611.4912.7013.9015.0916.2717.4418.59114---10.8512.1513.4414.7215.9817.2318.4719.70?外徑(毫米)壁?厚（毫米）2.533.544.555.566.577.5理論重量（公斤/米）121---11.5412.9314.3015.6717.0218.3519.6820.99127---12.13

6、13.5915.0416.4817.9019.3220.7222.10133---12.7314.2615.7817.2918.7920.2821.7523.21140----15.0416.6518.2419.8321.4022.9624.51146----15.7017.3919.0620.7222.3624.0025.62152----16.3718.1319.8721.6023.3225.0326.73159----17.1518.9920.8222.6424.4526.2428.02168

7、-----20.1022.0423.9725.8927.7929.69180-----21.5923.7025.7527.7029.8731.91194-----23.3125.6027.8230.0032.2834.50203-------29.1431.5033.8336.16219-------31.5234.0636.6039.12245--------38.2341.0943.85273--------42.6445.9249.10299----------53.91325--------

8、--58.74