钢管DN与内外径对照表.pdf

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1、壁厚(毫米)2.533.544.555.566.577.5DN外径(毫米)理论重量（公斤/米）1518202525321.822.152.462.763.053.333.593.854.094.324.5332382.192.592.983.353.724.074.414.745.055.355.64422.442.893.353.754.164.564.955.335.696.046.3840452.623.113.584.044.494.935.365.776.176.566.94502.933.484.014.545.055.556.046.516.977.427.8654-3.

2、774.364.935.496.046.587.17.618.118.65057-44.625.235.836.416.997.558.18.639.1660-4.224.885.526.166.787.397.998.589.159.7163.5-4.485.185.876.557.217.878.519.149.7510.3668-4.815.576.317.057.778.489.179.8610.5311.1970-4.965.746.517.278.018.759.4710.1810.8811.566573-5.1866.817.68.389.169.9110.6611.39

3、12.1176-5.46.267.17.938.759.5610.3611.1411.9112.6783--6.867.798.719.6210.5111.3912.2613.1213.968089--7.388.389.3810.3611.3312.2813.2214.1615.0795--7.98.9810.0411.112.1413.1714.1915.1916.18102--8.59.6710.8211.9613.0914.2115.3116.417.48100108---10.2611.4912.713.915.0916.2717.4418.59114---10.8512.1

4、513.4414.7215.9817.2318.4719.7121--11.5412.9314.315.6717.0218.3519.6820.99127--12.1313.5915.0416.4817.919.3220.7222.1125133--12.7314.2615.7817.2918.7920.2821.7523.21140---15.0416.6518.2419.8321.422.9624.51146---15.717.3919.0620.7222.362425.62152---16.3718.1319.8721.623.3225.0326.73150159---17.15

5、18.9920.8222.6424.4526.2428.02168----20.122.0423.9725.8927.7929.69180----21.5923.725.7527.729.8731.91194----23.3125.627.823032.2834.5203------29.1431.533.8336.16200219------31.5234.0636.639.12245-------38.2341.0943.85250273-------42.6445.9249.1299---------53.91300325---------58.74350377400426450

6、480500530600630