钢 管 理 论 重
426450(465)480500530(550)560600630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8~12.5米，短尺长度为1.5~3.0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、长度为3000毫米
厚 (mm)6.54.095.055.696.176.977.618.108.589.149.8610.2410.6611.1412.2613.2214.1915.3116.2717.2318.3519.3220.2821.4022.3623.3224.4525.8927.7030.0031.5034.0638.2342.6474.325.356.046.567.428.118.639.159.7510.5310.8811.3911.9113.1214.1615.1916.4017.4418.4719.6820.7221.7522.9623.0025.0326.2427.7929.8732.2833.8336.6041.0945.927.54.535.646.386.947.868.609.169.7110.3611.1911.5612.1112.6713.9615.0716.1817.4818.5919.7020.9922.1023.2124.5125.6226.7328.0229.6931.9134.5036.1639.1243.8549.1053.9158.7484.745.926.717.308.299.089.6710.2610.9511.8412.2312.8213.4214.8015.9817.1618.5519.7320.9122.2923.4824.6626.4427.2328.4129.7931.5733.9336.7038.4741.6346.7652.2857.4162.5467.677.027.658.709.5410.1710.8011.5312.4712.8913.5214.1515.6216.8718.1319.6020.8622.1223.5824.8426.1027.5728.8230.0831.5533.4335.9538.8940.7744.1249.5655.4560.8966.3571.807.327.999.109.9910.6511.3212.1013.1013.5414.2114.8716.4217.7619.0920.6421.9723.3124.8626.1927.5229.0830.4131.7433.2935.2937.9541.0643.0546.6152.3858.6064.3770.1475.9181.6887.217.608.329.4910.4311.1311.8312.6513.7114.1714.8815.5817.2218.6320.0321.6723.0824.4826.1227.5328.9330.5731.9833.3935.0337.1339.9543.2345.3349.0855.1761.7367.8373.9280.0186.1091.957.838.639.8610.8511.5912.3313.1914.3014.8015.5416.2818.0019.4820.9622.6924.1725.6527.3728.8530.3332.0655.5435.0236.7538.9741.9245.3847.5951.5457.9564.8671.2777.6884.1090.5199.6711.6712.4813.2914.2415.4616.0116.8217.6319.5321.1622.7924.6926.3127.9429.8431.4733.1034.9936.6238.2540.1542.5945.8549.6452.0856.4363.4871.0778.1385.1892.2399.29106.068.599.51011管 理 论 重 量 (kg/m)92.5597.87101.10104.52108.96115.62120.17122.28131.17137.8197.57103.20116.48110.22114.91121.94126.62128.97138.34145.36102.50108.50112.20115.90120.83128.23133.10135.63145.50152.89112.58119.08123.15127.22132.65140.78146.21148.92159.78167.91级精确度、长度为3000毫米倍尺
壁 厚 (mm)
121314151617181920钢 管 理 论 重 量 (kg
13.3214.2115.2416.5717.1618.0518.9421.0122.7924.5626.6328.4130.1932.1934.0335.8137.8839.6641.4343.5046.1749.7253.8656.5261.2668.9577.2484.9392.63100.32108.0214.1115.0716.1917.6318.2719.2420.2022.4424.3726.2928.5330.4632.3834.6236.5538.4740.7242.6444.5646.8149.6953.5458.0360.9166.0474.3883.3691.69100.03108.36117.0015.8817.0918.6419.3320.3721.4123.8225.8927.9730.3832.4534.5336.9439.0141.0943.5045.5747.6550.1753.1757.3162.1565.9470.7879.7689.4298.40107.38116.35125.3319.6120.3521.4622.5725.1527.3729.5932.1834.4036.6239.2141.4343.6546.2448.4650.6853.2756.6061.0466.2269.5475.4683.0895.44105.44114.68124.29133.2920.5221.3122.4923.6826.4428.8031.1733.9336.3038.6741.4343.8046.1748.9351.3053.6656.4359.9864.7170.2473.7880.1090.36101.41111.67121.93132.19142.4423.4824.7427.6730.1932.7035.6438.1540.6743.6046.1248.6351.5754.0856.6059.5363.3168.3474.2177.9784.6995.69107.33118.23129.13140.03150.9324.4125.7528.8531.5234.1837.2939.9542.6245.7248.3951.0554.1656.8259.4862.5966.5971.9178.1382.1289.23100.77113.20124.74136.28147.82159.3625.3026.7129.9932.8035.6138.8941.7044.5147.7950.6153.4256.7059.5162.3265.6069.8275.4482.0086.2193.71105.90119.20131.20143.38155.56167.7534.0336.9940.4443.4046.3649.8252.7855.7359.1962.1565.1168.5673.0078.9285.2890.2698.15110.98124.79137.61150.44163.26176.08115.41122.52130.61134.05139.49145.41154.29159.20163.16175.00183.88124.71132.41140.09144.90149.71156.12165.74172.15175.36188.18197.80133.94142.25150.52155.70160.88167.79178.14185.05188.50202.31212.67143.15152.04160.90166.46172.00179.40190.50197.90201.60216.39227.49152.30161.78171.24177.16183.08190.97202.80210.70214.64230.42242.26161.40171.47181.52187.81192.10202.48215.06223.44226.64244.40256.98170.45181.11191.76198.41205.07213.95227.27236.14240.58258.34271.66179.45190.71201.94208.97216.00225.37239.42248.80253.48272.22286.28188.40200.25212.08219.47226.87236.74251.53261.40266.33286.06300.85厚 (mm)22(24)25(26)283032 重 量 (kg/m)36.3539.6143.4046.6649.9153.7156.9760.2264.0267.2770.5974.3379.2185.7293.3298.20106.88120.99136.18150.29164.39178.50192.6138.4742.0246.1749.7253.2757.4160.9664.5168.6672.2175.7679.9085.2392.33100.62105.94115.42130.80147.38162.77178.15193.54208.9351.1754.8759.1962.8966.5970.9174.6078.3082.6288.1695.56104.19109.74119.61135.64152.90168.93184.96200.99217.0252.5856.4360.9164.7668.6173.1076.9480.7985.2891.0598.74107.72113.49123.75140.42158.38175.05191.72208.39225.0655.2459.3864.2268.3672.5077.3481.4885.6290.4696.67104.96114.63120.83131.89149.84169.18187.13205.09223.04240.9971.7676.2081.3885.8290.2695.44102.10110.98121.33127.99139.83159.07179.78199.02218.25237.49256.7379.7185.2389.9794.70100.33107.33116.80127.85134.94147.57168.09190.19210.71231.23251.74272.26206.16219.19232.20240.34248.47259.32275.60286.45291.88313.58329.85223.72237.93252.12261.00269.88281.72299.47311.31317.23340.90358.66232.42247.23262.01271.26280.51292.84317.50323.66241.08256.48271.85281.47291.09303.91323.14335.97258.24274.83291.38301.74312.10325.91346.62360.43275.21292.98310.72321.81332.91347.71369.90384.70291.18310.93329.84341.69353.52369.30392.92406.76
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