外径mm0.50.60.81 1.2 1.4 1.5 1.6 1.82 2.2 2.5 60.070.080.10.120.140.160.170.170.190.2 70.080.10.120.150.170.190.20.210.230.250.260.2880.090.110.140.170.20.230.240.250.280.30.320.3490.110.120.160.20.230.260.280.290.320.350.370.4100.120.140.180.220.260.30.310.330.360.40.420.46110.130.150.20.250.290.330.350.370.410.440.480.52120.140.170.220.270.320.370.390.410.450.490.530.59130.150.180.240.30.350.40.430.450.50.540.590.65140.170.20.260.320.380.440.460.490.540.590.640.71150.180.210.280.350.440.470.50.530.590.640.690.77160.190.230.30.370.440.50.540.570.630.690.750.83170.20.240.320.40.470.540.570.610.680.740.80.89180.220.260.340.420.50.570.610.650.720.790.860.96190.230.270.360.440.530.610.650.690.760.840.91 1.02200.240.290.380.470.560.640.680.730.810.890.97 1.08210.250.30.40.490.590.680.720.770.850.94 1.02 1.14220.270.320.420.520.620.710.760.850.94 1.04 1.13 1.27230.280.330.440.540.650.750.80.850.94 1.04 1.13 1.27240.290.350.460.570.680.790.830.890.99 1.09 1.18 1.33250.30.360.480.590.70.820.870.92 1.03 1.13 1.24 1.39270.330.390.520.640.760.880.941 1.13 1.23 1.34 1.51280.340.410.540.670.790.920.98 1.04 1.16 1.28 1.4 1.57290.350.420.560.690.820.95 1.02 1.08 1.21 1.33 1.45 1.63300.360.440.580.720.850.99 1.05 1.12 1.25 1.38 1.51 1.7320.390.470.620.770.91 1.06 1.13 1.2 1.34 1.48 1.62 1.82340.410.50.660.810.97 1.13 1.2 1.28 1.43 1.58 1.72 1.94350.430.510.640.841 1.16 1.24 1.32 1.47 1.63 1.782360.440.520.70.86 1.03 1.2 1.28 1.36 1.52 1.68 1.83 2.07380.460.550.730.91 1.09 1.26 1.35 1.44 1.61 1.78 1.94 2.19400.490.580.770.96 1.15 1.33 1.42 1.52 1.69 1.87 2.05 2.3142 1.01 1.21 1.4 1.5 1.6 1.79 1.972.16 2.4444.51.07 1.28 1.49 1.59 1.69 1.92.1 2.29 2.59451.09 1.3 1.51 1.61 1.71 1.922.12 2.32 2.62481.16 1.39 1.61 1.72 1.832.05 2.27 2.48 2.81501.21 1.14 1.68 1.79 1.912.14 2.37 2.59 2.93511.23 1.47 1.71 1.83 1.952.18 2.42 2.56 2.99531.28 1.53 1.78 1.912.03 2.27 2.52 2.763.11541.31 1.56 1.82 1.942.07 2.32 2.56 2.813.18561.36 1.62 1.892.02 2.15 2.41 2.66 2.923.3无缝钢管理论重量表壁厚mm 每米重量kg571.38 1.65 1.922.05 2.19 2.45 2.71 2.973.36601.46 1.742.02 2.16 2.31 2.58 2.863.14 3.55631.53 1.832.13 2.27 2.42 2.723.01 3.3 3.73651.58 1.892.2 2.35 2.5 2.813.11 3.41 3.85681.65 1.982.3 2.46 2.62 2.933.26 3.574.04701.72.04 2.37 2.53 2.73.03 3.35 3.684.16731.782.12 2.47 2.64 2.823.16 3.5 3.844.35 2 2.533.544.555.566.5220.986 1.2 1.41-------25 1.13 1.39 1.631.86------28- 1.57 1.852.11------30- 1.722.29 2.56-----32- 1.82 2.152.46 2.763.05 3.33 3.59 3.854.0938- 2.19 2.592.983.35 3.724.07 4.41 4.745.0542- 2.44 2.893.32 3.754.16 4.56 4.955.33 5.6945- 2.62 3.113.584.04 4.49 4.935.36 5.776.1750- 2.93 3.484.01 4.545.05 5.556.04 6.51 6.9754-- 3.774.36 4.935.496.04 6.587.17.6157--44.625.23 5.836.41 6.997.558.160-- 4.224.885.526.16 6.787.397.998.5863.5-- 4.485.18 5.876.557.217.878.519.1468-- 4.815.576.317.057.778.489.179.8670-- 4.965.746.517.278.018.759.4710.1873-- 5.186 6.817.68.389.169.9110.6676-- 5.466.267.17.938.759.5610.3611.1483---6.867.798.719.6210.5111.3912.2689---7.388.389.3810.3611.3312.2813.2295---7.98.9810.0411.112.1413.1714.19102---8.59.6710.811.9613.0914.2115.31108----10.2611.4912.713.915.0916.27114----10.8512.1513.4414.7215.9817.23121----11.5412.9314.315.6717.0218.35127----12.1313.5915.0416.4817.919.31133----12.7314.2615.7817.2918.7920.28140-----15.0416.6518.2419.8321.4146-----15.717.3919.0620.7222.36152-----16.3718.1319.8721.623.32159-----17.1518.9920.8222.6424.45168------20.122.0423.9725.89180------21.5923.6725.7427.81194------23.325.627.8230.05203--------29.1431.5219--------31.5234.06245---------38.23热轧结构用无缝管 壁厚（mm ）每米重量（kg ）外径mm273---------42.72注：计算常用型材理论重量计算公式：m=F×L×ρm—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1、方钢F=a22、钢管F=3.1416×$（D-$） D—直径 $—厚度3、钢板、扁钢F= a×$ a—宽度密度：材：7.85* 103 kg/m 3铝：2.5～2.95* 103铜：8.45～8.9*1 03铸铁：6.6～7*103尼龙：1.04～1.15* 103 2钢材分量编辑钢管钢材的实际分量是按钢材的公称尺寸和密度（已往称为比重）盘算得出的分量称之为实际分量。
这与钢材的长度尺寸、截面面积和尺寸容许偏向3尺寸及允许偏差编辑无缝钢管尺寸及允许偏差偏差等级标准化外径允许偏差D1±1.5%，最小±0.75 mmD2±1.0%。
最小±0.50 mmD3±0.75%．最小±0.30 mmD4±0.50%。
最小±0.10 mm2.833.20.43 0.50.520.54 0.570.590.62 0.640.670.690.70.740.77 0.770.810.85 0.840.890.93 0.910.96 1.010.98 1.04 1.091.05 1.11 1.17 1.12 1.18 1.25 1.19 1.26 1.33 1.26 1.33 1.41 1.39 1.48 1.56 1.39 1.48 1.56 1.46 1.55 1.64 1.53 1.63 1.72 1.67 1.78 1.88 1.74 1.85 1.96 1.81 1.922.041.8822.122.02 2.15 2.27 2.15 2.29 2.43 2.22 2.37 2.51 2.29 2.44 2.59 2.43 2.59 2.75 2.57 2.74 2.9 2.71 2.893.06 2.88 3.07 3.262.913.11 3.33.12 3.33 3.54 3.26 3.48 3.7 3.33 3.55 3.77 3.47 3.7 3.93 3.54 3.774.01 3.67 3.92 4.173.7444.253.954.22 4.484.16 4.44 4.72 4.29 4.59 4.88 4.49 4.815.12 4.65 4.96 5.28 4.84 5.18 5.52。