焊接钢管理论重量规格外径mm外径mm外径mm壁厚mm取小壁厚mm焊管（6米定尺）镀锌管（6米定尺）米重kg根重kg米重kg根重kg公称口径英寸DN151/2(4分)21.322182.82.451.287.681.3578.14DN203/4(6分)26.927252.82.451.669.961.7610.56DN25133.734323.22.82.4114.462.55415.32DN321.2542.442383.53.063.3620.163.5621.36DN401.548.348453.53.063.8723.224.1024.60DN50260.360573.83.3255.2931.745.60733.64DN652.576.176734.03.57.1142.667.53645.21DN80388.989894.08.3850.288.8853.28DN1004114.31141084.010.8865.2811.5369.18DN12551401401334.515.0490.2415.94298.65DN1506168.31681594.518.18109.0819.27115.62DN2008219.12192196.0焊管31.53189.18DN250273273DN300324325DN350360377DN400406426DN450457480DN500508530DN600610630公称口径普通钢管加厚钢管(mm)(in)壁厚（mm）理论重量（Kg/m）壁厚（mm）理论重量（Kg/m）61/820.392.50.4681/42.250.622.750.73103/82.250.322.750.97151/22.751.263.251.45203/42.751.633.52.012513.252.4242.913211/43.253.1343.784011/23.53.844.254.585023.54.884.56.166521/23.756.644.57.8880348.344.759.811004410.85513.4412554.515.045.518.2415064.517.815.521.63焊管理论重量计算公式：钢管每米的理论重量（钢的密度为7.85kg/dm3）计算公式:W=0.02466（D-S）S式中：W--钢管每米理论重量，kg/m；D--钢管的公称外径，mm；S--钢管的公称壁厚，mm；焊接钢管理论重量表外径（毫米）壁厚（毫米）2.533.544.555.566.577.5理论重量（公斤/米）321寸1.822.152.462.763.053.333.593.854.094.324.53382.192.592.983.353.724.074.414.745.055.355.64422.442.893.353.754.164.564.955.335.696.046.38452.623.113.584.044.494.935.365.776.176.566.94502.933.484.014.545.055.556.046.516.977.427.8654-3.774.364.935.496.046.587.107.618.118.60572寸-4.004.625.235.836.416.997.558.108.639.1660-4.224.885.526.166.787.397.998.589.159.7163.5-4.485.185.876.557.217.878.519.149.7510.3668-4.815.576.317.057.778.489.179.8610.5311.1970-4.965.746.517.278.018.759.4710.1810.8811.5673-5.186.006.817.608.389.169.9110.6611.3912.1176-5.406.267.107.938.759.5610.3611.1411.9112.6783--6.867.798.719.6210.5111.3912.2613.1213.9689--7.388.389.3810.3611.3312.2813.2214.1615.0795--7.908.9810.0411.1012.1413.1714.1915.1916.18102--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）2.533.544.555.566.577.5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-----20.1022.0423.9725.8927.7929.69180-----21.5923.7025.7527.7029.8731.91194-----23.3125.6027.8230.0032.2834.50203-------29.1431.5033.8336.16外径（毫米）壁厚（毫米）88.599.5101112131415理论重量（公斤/米）324.744.935.105-------385.92---------426.717.027.327.607.88-----457.307.657.998.328.63-----508.298.709.109.499.86-----549.089.549.9910.4310.8511.67----579.6710.1710.6511.1311.5912.4813.3214.11--6010.2610.8011.3211.8312.3313.2914.2115.0715.88-63.510.9511.5312.1012.6513.1914.2415.2416.1917.09-6811.8412.4713.1013.7114.3015.4616.5717.6318.6419.617012.2312.8913.5414.1714.8016.0117.1718.2719.3320.357312.8213.5214.2114.8815.5416.8218.0519.2420.3721.467613.4214.1514.8715.5816.2817.6318.9420.2021.4122.578314.8015.6216.4217.2218.0019.5321.0222.4423.8225.158915.9816.8717.7618.6319.4821.1622.7924.3725.8927...
