各C型钢条截面几何特性参数壁厚截面积每米重（mm）(cm2)(kg/m)22.5322.5322.5322.5322.533.844.755.5.046.257.445.446.758.045.847.258.6.247.759.243.013.734.433.9.915.844.275.36.314.585.696.784.96.087.25惯性距(cm4)X轴37.9146.2954.2683.52102.54120.84127.05156.26184.51181.45223.52.25247.54305.22361.28Y轴9.6311.6112.4526.3632.938.4828.8235.1241.0830.3837.0343.3131.7738.6945.26X轴惯变距(cm3)Y轴Wy167.177.7511.4714.2416.6613.4216.3519.1215.1418.4321.5516.8520.523.95Wy24.024.835.27.128.9210.437.4.1210.677.619.2810.857.729.4111.01规格C80×40×20C100×60×20C120×60×20C140×60×20C160×60×209.4811.5713.5716.720.5124.1721.1826.0430.7525.9231.9337.7530.9438.1545.16
