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鋼治理論重量表

2019-11-29 04:34   评论:97 点击:638
公稱外徑公 稱 壁 厚 mmmm4567891011121314151617181920 每米理論重量千克/米 鋼治理論重量表219.121.2226.431.53              273.126.5433.0639.5245.93             323.931.5539.3247.0454.762.3269.89           355.634.6843.2251.7360.1868.5776.92           406.4 49.4959.2468.9478.688.297.75          426 51.9162.1472.3382.4692.55102.59          457 55.7366.7377.6888.5899.43110.23120.98131.68142.34       478 58.3269.8481.392.72104.09115.41126.68137.9149.07       508  74.2886.4898.64110.75122.81134.82146.78158.69       529  77.3890.11102.78115.41127.99140.51152.99165.42       609.6  89.31104.02118.68133.3147.86162.38176.84 191.26       630  92.33107.54122.71137.82152.89167.91182.88197.8       711  104.31121.52138.69155.8172.87189.88206.85223.76       720  105.64123.08140.46157.8175.09192.32209.51226.65       813   139.13158.81178.44198.02217.55237.03256.46275.85      820   140.34160.19179.99199.75219.45239.1258.71278.26297.77317.23    914    178.74200.86222.93244.95266.92288.84310.72332.54354.31    920    179.92202.19224.41246.58268.7290.77312.79334.76356.68    1016    198.86223.49248.08272.62297.1321.54345.93370.27394.56418.8442.99  1020    199.65224.38249.07273.7298.39322.82347.31371.75396.14420.48444.77  1220      298.39327.95357.47386.94416.36445.73475.58504.32533.54  1420      347.71382.21416.66451.06485.41519.71553.96588.17622.32  1620      397.03436.46475.84515.17554.46593.69632.87672.01711.1  1727      423.41465.48507.5549.47591.4633.27675.09716.87758.59  1820      446.35490.71535.02579.29623.5667.67711.79755.85799.87  1930      437.47520.55567.57614.55661.48708.36755.19801.97848.7895.38942.012032      498.63548.22597.76647.25696.69746.09795.43844.73893.97943.17992.322220        653.39707.52761.6815.63869.61923.54977.421031.261085.042337        688.01745.03801.99858.91915.77972.591029.361086.081142.74 焊接鋼管也稱焊管,是用鋼板或帶鋼經過卷曲成型後焊接製成的鋼管。焊接鋼管生產工藝簡單,生產效率高,品種規格多,設備資少,但一般強度低於無縫鋼管。20世紀30年代以來,隨著優良帶鋼連軋生產的迅速發展和焊接和檢驗技術的進步,焊縫質量不斷進步,焊接鋼管的品種規格日益增多,並在愈來愈多的領域代替了無縫鋼管。焊接鋼管按焊縫的形式分為直縫焊管和螺旋焊管。
  焊接鋼管采用的坯料是鋼板或帶鋼 ,因其焊接工藝不同而分為爐焊管、電焊(電阻焊)管和主動電弧焊管 。因其焊接形式的不同分為直縫焊管和螺旋焊管兩種。因其端部外形又分為圓形焊管和異型(方、扁等)焊管。

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