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l290n管线无缝钢管
2022-03-22 11:03:02

l290n管线无缝钢管是一种经济断面钢材,在国民经济中具有很重要的地位,广泛应用于石油、化工、锅炉、电站、船舶、机械制造、汽车、航空、航天、能源、地质、建筑及军工等各个行业。


①热轧无缝钢管主要生产工序(主要检验工序):


管坯准备及检查→管坯加热→穿孔→轧管→荒管再加热→定(减)径→热处理→成品管矫直→精整→检验(无损、理化、台检) →入库


②冷轧(拔)无缝钢管主要生产工序


坯料准备→酸洗润滑→冷轧(拔)→热处理→矫直→精整→检验



l290n管线无缝钢管

无缝钢管理论重量表
外径 mm壁厚mm
  0.50.60.811.21.41.51.61.822.22.52.833.2
  每米重量kg
60.070.080.10.120.140.160.170.170.190.2          
70.080.10.120.150.170.190.20.210.230.250.260.28      
80.090.110.140.170.20.230.240.250.280.30.320.34      
90.110.120.160.20.230.260.280.290.320.350.370.40.43    
100.120.140.180.220.260.30.310.330.360.40.420.460.50.520.54
110.130.150.20.250.290.330.350.370.410.440.480.520.570.590.62
120.140.170.220.270.320.370.390.410.450.490.530.590.640.670.69
130.150.180.240.30.350.40.430.450.50.540.590.650.70.740.77
140.170.20.260.320.380.440.460.490.540.590.640.710.770.810.85
150.180.210.280.350.440.470.50.530.590.640.690.770.840.890.93
160.190.230.30.370.440.50.540.570.630.690.750.830.910.961.01
170.20.240.320.40.470.540.570.610.680.740.80.890.981.041.09
180.220.260.340.420.50.570.610.650.720.790.860.961.051.111.17
190.230.270.360.440.530.610.650.690.760.840.911.021.121.181.25
200.240.290.380.470.560.640.680.730.810.890.971.081.191.261.33
210.250.30.40.490.590.680.720.770.850.941.021.141.261.331.41
220.270.320.420.520.620.710.760.850.941.041.131.271.391.481.56
230.280.330.440.540.650.750.80.850.941.041.131.271.391.481.56
240.290.350.460.570.680.790.830.890.991.091.181.331.461.551.64
250.30.360.480.590.70.820.870.921.031.131.241.391.531.631.72
270.330.390.520.640.760.880.9411.131.231.341.511.671.781.88
280.340.410.540.670.790.920.981.041.161.281.41.571.741.851.96
290.350.420.560.690.820.951.021.081.211.331.451.631.811.922.04
300.360.440.580.720.850.991.051.121.251.381.511.71.8822.12
320.390.470.620.770.911.061.131.21.341.481.621.822.022.152.27
340.410.50.660.810.971.131.21.281.431.581.721.942.152.292.43
350.430.510.640.8411.161.241.321.471.631.7822.222.372.51
360.440.520.70.861.031.21.281.361.521.681.832.072.292.442.59
380.460.550.730.911.091.261.351.441.611.781.942.192.432.592.75
400.490.580.770.961.151.331.421.521.691.872.052.312.572.742.9
42      1.011.211.41.51.61.791.972.162.442.712.893.06
44.5      1.071.281.491.591.691.92.12.292.592.883.073.26
45      1.091.31.511.611.711.922.122.322.622.913.113.3
48      1.161.391.611.721.832.052.272.482.813.123.333.54
50      1.211.141.681.791.912.142.372.592.933.263.483.7
51      1.231.471.711.831.952.182.422.562.993.333.553.77
53      1.281.531.781.912.032.272.522.763.113.473.73.93
54      1.311.561.821.942.072.322.562.813.183.543.774.01
56      1.361.621.892.022.152.412.662.923.33.673.924.17
57      1.381.651.922.052.192.452.712.973.363.7444.25
60      1.461.742.022.162.312.582.863.143.553.954.224.48
63      1.531.832.132.272.422.723.013.33.734.164.444.72
65      1.581.892.22.352.52.813.113.413.854.294.594.88
68      1.651.982.32.462.622.933.263.574.044.494.815.12
70      1.72.042.372.532.73.033.353.684.164.654.965.28
73      1.782.122.472.642.823.163.53.844.354.845.185.52
  














外径mm热轧结构用无缝管 壁厚(mm)




22.533.544.555.566.5




每米重量(kg)




220.9861.21.41-------




251.131.391.631.86------




28-1.571.852.11------




30-1.722.292.56-----




32-1.822.152.462.763.053.333.593.854.09




38-2.192.592.983.353.724.074.414.745.05




42-2.442.893.323.754.164.564.955.335.69




45-2.623.113.584.044.494.935.365.776.17




50-2.933.484.014.545.055.556.046.516.97




54--3.774.364.935.496.046.587.17.61




57--44.625.235.836.416.997.558.1




60--4.224.885.526.166.787.397.998.58




63.5--4.485.185.876.557.217.878.519.14




68--4.815.576.317.057.778.489.179.86




70--4.965.746.517.278.018.759.4710.18




73--5.1866.817.68.389.169.9110.66




76--5.466.267.17.938.759.5610.3611.14




83---6.867.798.719.6210.5111.3912.26




89---7.388.389.3810.3611.3312.2813.22




95---7.98.9810.0411.112.1413.1714.19




102---8.59.6710.811.9613.0914.2115.31




108----10.2611.4912.713.915.0916.27




114----10.8512.1513.4414.7215.9817.23




121----11.5412.9314.315.6717.0218.35




127----12.1313.5915.0416.4817.919.31




133----12.7314.2615.7817.2918.7920.28




140-----15.0416.6518.2419.8321.4




146-----15.717.3919.0620.7222.36




152-----16.3718.1319.8721.623.32




159-----17.1518.9920.8222.6424.45




168------20.122.0423.9725.89




180------21.5923.6725.7427.81




194------23.325.627.8230.05




203--------29.1431.5




219--------31.5234.06




245---------38.23




273---------42.72




















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