1、1.071.371.640.583O.8411.081.29O.4530.624O.763O.8740 453O.62422127O.8231.191.531.84O.646O.9361.201.45O.6120.8501.05O.556O.773O.9531.102532.142.491.681.951.862.081.491.57303.542.643.013.503.892.422.753.053.413.864.254.582.272.582.83322.843.333 782.232.612.974.214.795.292.633.003.313.305.733.583553.143
2、.694.204.685.582.472.893.684.385.546.457.167.788.793.224.094.455.02363.243.814.3_44.855.752.552.993.4l3.8l4.536.187.077.878.569.703.433.934.374.765.394063.644.294.905.496.587.552.863.373.854.3l5.165.938.689.9811.1612.2113.9815.344.344.996.1l6.997.67423.845.185.816.988.033.023.554.074.565.486.3010.15
3、11.7013.1014.3716.5618.224.835.576.246.848.58455.606.237.584.404.945.9516.4318.0720.907.309.29788.759.8110.86.877.808.4423.1924.9726.30lO.3111.1011.59507.099.9511.2112.355.566.737.8l8.8025.5629.8133.3536.2338.5110.2211.9313.3414.4915.41557.899.5811.1512.5113.956.197.529.9010.9534.8740.9546.1350.4754
4、.0412.5814.8916.7718.3519.65608.6910.5814.0l15.556.828.309.6911.0046.2154.5761.8268.0373.2815.418.1920.6122.6824.43659.4911.5813.5517.157.459.0710.6412.1013.4759.7870.9280.7289.2796.6418.3921.8224.8427.4629.747010.2914.78.089.8775.7890.26103.121.6525.7929.4716.8118.7513.1914.72114.5124.532.7235.5775
5、11.0913.5815.9518 2120.358.7010.6612.5214.2915.9894.4112.8129.4144.2157.325.1730.0834.5038.4441.948011.8914.5819.6121.959.3311.4413.4615.3917.23115.9138.9159.7178.5195.428.9634.7239.9344.6348.8516.9820.0322.9713.3315.7218.0320.25217.1251.1282.3310.947.1954.5961.3867.5810018.5825.2128.3519.7922.26282
6、.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(mm); 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.008
7、2O.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.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
8、.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.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.2360.2790.1570.186O.2440.284O.186O.2950.349O.395O.483O.6810.8510.310O.379O.5350.6680.053
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1