编辑本段钢管常用规格参数表 外径mm热轧结构用无缝管 壁厚（mm）2.02.533.544.555.566.5每米重量（kg）220.9861.201.41-------251.131.391.631.86------28-1.571.852.11------30-1.702.002.292.56-----32-1.822.152.462.763.053.333.593.854.0938-2.192.592.983.353.724.074.414.745.0542-2.442.893.323.7504.164.564.955.335.6945-2.623.113.584.044.494.935.365.776.1750-2.933.484.014.545.055.556.046.516.9754--3.774.364.935.496.046.587.107.6157--4.004.625.235.836.416.997.558.1060--4.224.885.526.166.787.397.998.5863.5--4.485.185.876.557.217.878.519.1468--4.815.576.317.057.778.489.179.8670--4.965.746.517.278.018.759.4710.1873--5.186.006.817.608.389.169.9110.6676--5.466.267.107.938.759.5610.3611.1483---6.867.798.719.6210.5111.3912.2689---7.388.389.3810.3611.3312.2813.2295---7.908.9810.0411.1012.1413.1714.19102---8.509.6710.8011.9613.0914.2115.31108----10.2611.4912.7013.9015.0916.27114----10.8512.1513.4414.7215.9817.23121----11.5412.9314.3015.6717.0218.35127----12.1313.5915.0416.4817.9019.31133----12.7314.2615.7817.2918.7920.28140-----15.0416.6518.2419.8321.4146-----15.717.3919.0620.7222.36152-----16.3718.1319.8721.6023.32159-----17.1518.9920.8222.6424.45168------20.1022.0423.9725.89180------21.5923.6725.7427.81194------23.3025.6027.8230.05203--------29.1431.50219--------31.5234.06245---------38.23273---------42.72编辑本段无缝钢管理论重量计算公式 普通无缝钢管重量=（外径—壁厚）X壁厚X0.02466 注：计算常用型材理论重量计算公式： m=F×L×ρ m—质量Kg ；F—断面积m2 ；L—长度m ；ρ—密度*Kg/m3 ☆其中：F断面积计算方法： 1、方钢 F= a2 2、钢管 F=3.1416×$（D-$） D—直径 $—厚度 3、钢板、扁钢 F= a×$ a—宽度 密度： 钢材：7.85*103 kg/m3 铝：2.5～2.95*103 铜：8.45～8.9*103 铸铁：6.6～7*103 尼龙：1.04～1.15*1032 / 2。