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1、（外径（mm）-厚度（mm）*厚度（mm）*0.02507*长度（M）=重量（KG）316和316L都用这个公式，304和304L只是把0.02507变为0.02491D：外径S：壁厚钢管单位长度（每米）的重量是：201:(D-S)*D*0.02466.304:(D-S)*D*0.02491.316:(D-S)*D*0.02507.不锈钢管重量计算公式 (外径-壁厚)*壁厚*0.02491十、不锈钢管单位重量表热轧不锈钢管（1Cr18Ni9Ti)每米重量表公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）763.
2、56.26833.56.868948.3847.147.794.59.384.57.934.58.71510.3658.7559.625.511.335.59.565.510.61612.28610.36611.396.513.326.511.146.512.26714.16711.91713.127.515.077.512.677.513.96815.98813.42814.088.516.878.514.158.515.62917.76公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）914.87916.42
3、108410.261084.511.49114513.441335.517.29512.75.514.72618.795.513.9615.986.520.28615.096.517.23721.756.516.27718.477.523.21717.447.519.70824.667.518.59821.918.526.10819.738.522.12927.528.520.86923.311524.516.37921.97133412.73114410.854.514.264.512.15515.78冷拔不锈钢管（1Cr18Ni9Ti)每米重量表公称直径(外径壁厚)(毫米)每米重量（公斤）
4、公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）81.50.24143.50.9061831.1120.29640.9863.51.252.50.339161.50.53641.38101.50.31420.6914.51.5020.3952.50.83251.602.50.46230.962201.50.68430.5183.51.0820.8883.50.56141.182.51.08141.50.4624.51.2831.2620.592181.50.613.51.422.50.70920.78941.5830.8142.50.9564.51.72
5、2051.852262.372573.115.51.97251.50.869301.51.0562.0721.1321.38公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）221.50.2582.51.392.51.7020.98631.6332.002.51.203.51.863.52.2931.4142.0742.563.51.604.52.284.52.8341.7852.4753.084.51.945.52.645.53.3252.1062.8163.555.52.246.52.976.53.77307
6、3.973263.863453.587.54.166.54.095.53.8784.3474.3264.14321.51.137.54.536.54.4121.4884.7474.66公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）2.51.82341.51.207.54.9032.1521.5885.133.52.462.51.94381.51.3542.7632.2921.784.53.053.52.632.52.1953.3342.9632.595.53.594.53.273.52.983843.3544
7、22.074487.104.53.722.52.568.57.4454.0733.0397.775.54.413.53.50451.51.6164.7443.9522.126.55.054.54.382.52.6275.3554.8133.11公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）公称直径(外径壁厚)(毫米)每米重量（公斤）7.55.645.55.223.53.5885.9265.6244.048.56.186.56.014.54.4996.4476.3954.93441.51.577.56.755.55.364565.775722.71603
8、.54.886.56.172.53.3645.5276.562.253.687323.507.56.9434.002.54.3587.303.54.6235.188.57.6545.233.56.0097.996022.8646.819.58.322.53.55108.6334.22十一、焊接钢管单位重量表电焊钢管每米重量表外径(毫米)壁 厚 （毫米）0.50.60.81.01.21.41.51.61.82.0(5)0.0550.0650.0830.099(6)0.0680.0800.1030.123(7)0.0800.0950.1220.148(8)0.0920.1100.1420.173(
9、0.202)(9)0.1050.1250.1620.1970.231100.1170.1390.1820.222(0.261)(11)0.1290.1540.2010.2470.290120.1420.1690.2210.2710.3200.365(0.388)0.411(13)0.1840.2410.2960.3490.4000.4250.451(14)0.1990.2600.3210.3790.4340.4620.490150.2140.2800.3450.4090.4680.4990.529160.2280.3000.3700.4380.503(0.536)0.568(17)0.2440
10、.3200.3950.4680.5370.5730.608180.2580.3400.4190.4970.572(0.610)0.647(0.717)(0.789)(19)0.2740.3590.4440.5270.6060.6470.6870.762(0.838)200.2880.3790.4690.5560.6420.6840.726(0.806)(0.888)(21)0.4930.5860.6750.7210.7670.8510.937外径(毫米)壁 厚 （毫米）1.01.21.41.51.61.82.02.22.5220.5180.6160.7100.7580.8060.8950.986(23)0.5430.6450.7450.7950.8460.9401.0401.1301.260240.5670.6740.779(0.832)0.885(0.984)(1.090)(1.180)(1.330)250.5920.7030.8130.8690.9251.0301.1301.2401.390(26)0.6170.7340.8490.9060.963
