常用钢管规格DN对照表

1、常用钢管规格DN寸照表 合金钢管中DN弋表什么意思I常用钢管规 格DN寸照表DN15-4)18mm DN20-4)25mm DN254 32mm DN324 38mmDN40-4)45mm DN504 57mm DN654 73mm DN804 89mmDN100-4)108mm DN125 133mm DN1504 159mm DN200 219mmDN250-4)273mm DN300 325mm DN350|)377mm DN400-4)426mmDN450-4)480mm DN500 530mm DN600-。630mm焊接钢管规格尺寸大全外径（毫米）壁厚（毫米）2.533.544.5

2、55.566.577.5理论重量（公斤/米）321.822.15 ;2.462.763.053.333.593.854.094.324.53382.192.59 ;2.983.353.724.074.414.745.055.355.64422.442.89 :3.353.754.164.564.955.335.696.046.38452.623.11 :3.584.044.494.935.365.776.176.566.94502.933.481.014.545.055.556.046.516.977.427.86543.771.364.935.496.046.587.107.618.118.

3、60574.001.625.235.836.416.997.558.108.639.16604.221.885.526.166.787.397.998.589.1597163.54.485.185.876.557.217.878.519.149.7510.36684.815.576.317.057.778.489.179.8610.5311.1910.1810.8811.56704.965.746.517.278.018.759.47735.185.006.817.608.389.169.9110.6611.3912.11765.405.267.107.938.759.5610.3611.14

4、11.9112.6783-6.867.798.719.6210.5111.3912.2613.1213.9689-7.388.389.3810.3611.3312.2813.2214.1615.0795-7.908.9810.0411.1012.1413.1714.1915.1916.18102-8.509.6710.8211.9613.0914.2115.3116.4017.48108-10.2611.4912.7013.9015.0916.2717.4418.59114-10.8512.1513.4414.7215.9817.2318.4719.70外径（毫米）壁厚（毫米）2.533.54

5、4.555.566.577.5理论重量（公斤/米）121-11.5412.9314.3015.6717.0218.3519.6820.99127-12.1313.5915.0416.4817.9019.3220.7222.10133-12.7314.2615.7817.2918.7920.2821.7523.21140-15.0416.6518.2419.8321.4022.9624.51146-15.7017.3919.0620.7222.3624.0025.62152-16.3718.1319.8721.6023.3225.0326.73159-17.1518.9920.8222.6424.4526.2428.02168-一20.1022.0423.9725.8927.7929.69180-一21.5923.7025.7527.7029.8731.91194-一23.3125.6027.8230.0032.2834.50203-一一一29.1431.5033.8336