1、2.081.491.57303.542.643.013.503.892.422.753.053.413.864.254.582.272.582.83322.843.333 782.232.612.974.214.795.292.633.003.313.305.733.583553.143.694.204.685.582.472.893.684.385.546.457.167.788.793.224.094.455.02363.243.814.3_44.855.752.552.993.4l3.8l4.536.187.077.878.569.703.433.934.374.765.394063.6
2、44.294.905.496.587.552.863.373.854.3l5.165.938.689.9811.1612.2113.9815.344.344.996.1l6.997.67423.845.185.816.988.033.023.554.074.565.486.3010.1511.7013.1014.3716.5618.224.835.576.246.848.58455.606.237.584.404.945.9516.4318.0720.907.309.29788.759.8110.86.877.808.4423.1924.9726.30lO.3111.1011.59507.09
3、9.9511.2112.355.566.737.8l8.8025.5629.8133.3536.2338.5110.2211.9313.3414.4915.41557.899.5811.1512.5113.956.197.529.9010.9534.8740.9546.1350.4754.0412.5814.8916.7718.3519.65608.6910.5814.0l15.556.828.309.6911.0046.2154.5761.8268.0373.2815.418.1920.6122.6824.43659.4911.5813.5517.157.459.0710.6412.1013
4、.4759.7870.9280.7289.2796.6418.3921.8224.8427.4629.747010.2914.78.089.8775.7890.26103.121.6525.7929.4716.8118.7513.1914.72114.5124.532.7235.577511.0913.5815.9518 2120.358.7010.6612.5214.2915.9894.4112.8129.4144.2157.325.1730.0834.5038.4441.948011.8914.5819.6121.959.3311.4413.4615.3917.23115.9138.915
5、9.7178.5195.428.9634.7239.9344.6348.8516.9820.0322.9713.3315.7218.0320.25217.1251.1282.3310.947.1954.5961.3867.5810018.5825.2128.3519.7922.26282.8328.2370.2408.956.5765.5474.0481.78110928.0131.5534.9821.9924.77503.4557.9608.491.54101.411O.6注:理论质量计算 G=0.0157S(A+A一2.8584S) 式中 G每米钢管的质量(kgm); A方形钢管的边长(m
6、m); S方形钢管的公称壁厚(mm).以钢管R=1.5S时,钢的密度为7.85gcm3的计算公式。表6-41冷拔无缝矩形钢管的尺寸规格截面面积Fcm2理论质量G(kgm)惯性矩截面系数BJxJyWxwycm4cm3lO0.8lO.203O.243O.160O.191O.0074O.0082O.0239O.02700.02970.03290.04780.05470.2350.2830.1850.222O.00880.0099O.0388O.0449O.0354O.0395O,0646O.0748O.251O.3030.1970.2380.01390.0157O.04380.0509O.0462O
7、.05240.0730O.08490.343O.471O.223O.269O.3700.0160O.0182O.02150.06540.0767O.09730.0535O.0608O.0715O.0935O.110O.1390.299O.363O.501O.2350.2850.0233O.02680.0324O.0724O.08520.109O.06650.0765O.0927O.104O.1220.156102O.347O.4230.5910.73lO.3320.4640.574O.0545O.06400.08180.0925O.0934O.111O.144O.167O.109O.128O.
8、164O.1850.133O.158O.23815O.299O.611O.285O.4800.01710.0195O.0230O.02400.0784O.0922O.118O.0571O.0651O.0768O.07990.105O.1570.177l1.50.59lO.7310.273O.4640.03620.042lO.05250.05790.1110.132O.173O.200O.0905O.131O.145O.165O.2160.250O.411O.711O.89lO.3230.3950.559O.700O.0941O.1120.147O.1700.148O.2360.2790.157
9、0.186O.2440.284O.186O.2950.349O.395O.483O.6810.8510.310O.379O.5350.6680.0532O.0624O.0796O.0897O.162O.1940.258O.3040.1180.139O.177O.1990.180O.215O.2870.337O.20.411O.5030.7110.89l0.3230.700O.06800.0802O.1037O.1190.1740.2080.3290.136O.1610.2070.2370.194O.23l0.309O.3660.4750.83l1.0510.373O.825O.149O.178
10、O.239O.283O.2660.4320.213O.255O.3410.404O.246O.296O.400O.891O.04450.0520O.0654O.0728O.1970.315O.373O.130O.1820.236O.315O.4430.5430.7710.9710.4260.606O.0884O.115O.1320.227O.2720.367O.4380.1500.229O.2630.272O.8311.240.976O.114O.1360.2110.23lO.2560.3080.4180.565O.1900.2260.3520.3850.256O.418O.459O.563O
11、.8011.011O.361O.629O.7940.06400.0753O.0967O.117O.27lO.3250.440O.5270.589O.1420.2590.2460.2950.400O.479O.5360.539O.9511.440.520O.7461.13O.2120.286O.34l0.381O.4350.598O.727O.828O.2530.4080.487O.5440.3280.396O.66lO.75324O.539O.6630.9511.2lO.520O.747O.134O.213O.252O.2770.4030.669O.815O.9280.224O.267O.35
12、50.419O.462O.336O.406O.5570.6790.774O.523O.643O.9211.171.390.505O.723O.9201.090.09180.399O.4820.660O.802O.9100.184O.217O.329O.320O.386O.5280.6420.7280.84lO.2790.457O.5150.6260.8681.23O.372O.5050.609O.6870.501O.6914O.854O.98328110.7231.041.331.590.567O.8181.25O.1510.2000.2570.6830.9451.16O.2740.363O.
13、426O.468O.488O.675O.328O.95l0.7831.74O.615O.8881.14O.356O.4280.4820.7921.361.58O.376O.509O.6880.5660.788O.9730.9350.3570.489O.5950.676O.8651.500.4470.845O.618O.863O.9431.772.800.7402.20O.7441.671.801.521.902.502.720.677O.7741.791.942.O10.8880.2630.3120.347O.3691.481.7l1.890.4390.578O.6140.796O.9841.
14、26131.222.19O.9591.72O.339O.4542.390.521O.6990.75lO.9271.151.341.3l1.692.042.371.031.600.5530.6740.768O.8402.112.770.691O.842O.9611.321.541.732.052.911.611.962.281.972.312.602.322.923.453.911.851.832.162.442.092.432.73O.4390.5300.599O.649O.6832.453.2lO.6270.7570.8560.9280.9751.121.402.001.932.343.080.8110.9981.272.463.103.654.130.9011.111.281.412.032.292.512.332.854.262.36372.242.6l2.943.251.76O.6610.753O.821O.870O.9012.963.473.9l4.28O.8811.001.882.122.482.013.571.922.533.774.465.055.555.971.462.522.982.173.091.702.071.994.355.876.487.0l2.182.933.392.663.362.82
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