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1、最新方管尺寸规格表|方管理论重量计算公式尺 寸特 性*公称*尺寸壁厚每英尺重量截面积ISrln.ln.Lb.ln.2ln.4ln.3ln.1616.50001/2103.3030.412001506.29.37503/878.5223.19311166.35.31255/1665.8719.478998.66.381414.50001/289.6826.47911135.48.37503/868.3120.161587.95.54.31255/1657.3616.952274.65.571212.50001/276.0722.448580.94.66.37503/858.1017.138063
2、.44.72.31255/1648.8614.432454.04.75.25001/439.4311.626544.14.781010.62505/876.3322.432164.23.78.50001/262.4618.427154.23.84.37503/847.9014.121442.93.90.31255/1640.3511.918336.73.93.25001/432.639.5915130.13.9688.62505/859.3217.415338.32.96.50001/248.8514.413132.93.03.37503/837.6911.110626.43.09.31255
3、/1631.849.3690.922.73.12.25001/425.827.5975.118.83.15.18753/1619.635.7758.214.63.1877.50001/242.0512.484.624.22.62.37503/832.589.5868.719.62.68.31255/1627.598.1159.517.02.71.25001/422.426.5949.414.12.74.18753/1617.085.0238.511.02.77方管计算公式方管重量计算公式：4*壁厚*（边长-壁厚）*7.85 矩形管重量计算公式：（边长+边长）*2/3.14-壁厚*壁厚*0.02466
