热轧无缝钢管(YB231-70)2

1、1、热热轧轧无无缝缝钢钢管管(YB231-70)外径(mm)壁 厚 (mm)1213141516171819钢 管 理 论 重 量 (kg/m)3238424550545713.3214.116014.2115.0715.8863.515.2416.1917.096816.5717.6318.6419.6120.527017.1618.2719.3320.3521.317318.0519.2420.3721.4622.4923.4824.4125.307618.9420.2021.4122.5723.6824.7425.7526.718321.0122.4423.8225.1526.4427.

2、6728.8529.998922.7924.3725.8927.3728.8030.1931.5232.809524.5626.2927.9729.5931.1732.7034.1835.6110226.6328.5330.3832.1833.9335.6437.2938.8910828.4130.4632.4534.4036.3038.1539.9541.7011430.1932.3834.5336.6238.6740.6742.6244.5112132.1934.6236.9439.2141.4343.6045.7247.7912734.0336.5539.0141.4343.8046.1

3、248.3950.6113335.8138.4741.0943.6546.1748.6351.0553.4214037.8840.7243.5046.2448.9351.5754.1656.7014639.6642.6445.5748.4651.3054.0856.8259.5115241.4344.5647.6550.6853.6656.6059.4862.3215943.5046.8150.1753.2756.4359.5362.5965.6016846.1749.6953.1756.6059.9863.3166.5969.8218049.7253.5457.3161.0464.7168.

4、3471.9175.4419453.8658.0362.1566.2270.2474.2178.1382.0020356.5260.9165.9469.5473.7877.9782.1286.2121961.2666.0470.7875.4680.1084.6989.2393.7124568.9574.3879.7683.0890.3695.69100.77105.9027377.2483.3689.4295.44101.41107.33113.20119.2029984.9391.6998.40105.44111.67118.23124.74131.2032592.63100.03107.3

5、8114.68121.93129.13136.28143.38351100.32108.36116.35124.29132.19140.03147.82155.56377108.02117.00125.33133.29142.44150.93159.36167.75402115.41124.71133.94143.15152.30161.40170.45179.45426122.52132.41142.25152.04161.78171.47181.11190.71450130.61140.09150.52160.90171.24181.52191.76201.94(465)134.05144

6、.90155.70166.46177.16187.81198.41208.97480139.49149.71160.88172.00183.08192.10205.07216.00500145.41156.12167.79179.40190.97202.48213.95225.37530154.29165.74178.14190.50202.80215.06227.27239.42(550)159.20172.15185.05197.90210.70223.44236.14248.80560163.16175.36188.50201.60214.64226.64240.58253.486001

7、75.00188.18202.31216.39230.42244.40258.34272.22630183.88197.80212.67227.49242.26256.98271.66286.28注 （1）表中带括号的规格，不推荐使用。 （2）热轧钢管的通常长度为812.5米，短尺长度为1.53.0米。 （3）钢管的理论重量计算公式为：P=0.02466S（D-S） 式中 P-钢管的理论重量（千克/米）（钢管的比重为7.85）； D-钢管的公称外径（毫米）； S-钢管的公称壁厚（毫米）。 （4）钢管的标记方法举例如下： 用10号钢制造的外径为76毫米、壁厚为3.5毫米的直径和壁厚为普通级精确度

8、、长度为3000毫米倍尺 的热钢保应标记为：钢管10-76X3.5X3000倍-YB231-70。2022(24)25(26)28303234.0336.3538.4736.9939.6142.0240.4443.4046.1743.4046.6649.7251.1752.5855.2446.3649.9153.2754.8756.4359.3849.8253.7157.4159.1960.9164.2252.7856.9760.9662.8964.7668.3671.7655.7360.2264.5166.5968.6172.5076.2079.7159.1964.0268.6670.917

9、3.1077.3481.3885.2362.1567.2772.2174.6076.9481.4885.8289.9765.1170.5975.7678.3080.7985.6290.2694.7068.5674.3379.9082.6285.2890.4695.44100.3373.0079.2185.2388.1691.0596.67102.10107.3378.9285.7292.3395.5698.74104.96110.98116.8085.2893.32100.62104.19107.72114.63121.33127.8590.2698.20105.94109.74113.491

10、20.83127.99134.9498.15106.88115.42119.61123.75131.89139.83147.57110.98120.99130.80135.64140.42149.84159.07168.09124.79136.18147.38152.90158.38169.18179.78190.19137.61150.29162.77168.93175.05187.13199.02210.71150.44164.39178.15184.96191.72205.09218.25231.23163.26178.50193.54200.99208.39223.04237.4925

11、1.74176.08192.61208.93217.02225.06240.99256.73272.26188.40206.16223.72232.42241.08258.24275.21291.181、热热轧轧无无缝缝钢钢管管(YB231-70)壁 厚 (mm)钢 管 理 论 重 量 (kg/m)200.25219.19237.93247.23256.48274.83292.98310.93212.08232.20252.12262.01271.85291.38310.72329.84219.47240.34261.00271.26281.47301.74321.81341.69226.87

12、248.47269.88280.51291.09312.10332.91353.52236.74259.32281.72292.84303.91325.91347.71369.30251.53275.60299.47317.50323.14346.62369.90392.92261.40286.45311.31323.66335.97360.43384.70406.76266.33291.88317.23286.06313.58340.90300.85329.85358.66注 （1）表中带括号的规格，不推荐使用。 （2）热轧钢管的通常长度为812.5米，短尺长度为1.53.0米。 （3）钢管的理