型号理论重量(kg/m)圆钢方钢5.50.1860.23760.2220.2836.50.260.33270.3020.38580.3950.50290.4990.636100.6170.785110.7460.95120.8881.13131.041.33141.211.54151.391.77161.582.01171.782.271822.54192.232.83202.473.14212.723.46222.983.8233.264.15243.554.52253.854.91264.175.31274.495.72284.836.15295.186.6305.557.06型号理论重量(kg/m)圆钢方钢315.927.54326.318.04336.718.55347.139.07357.559.62367.9910.2388.911.3409.8612.64210.913.84512.515.94814.218.15015.419.65317.3225518.623.75619.324.65820.726.46022.228.36324.531.2652633.26828.536.37030.238.57534.744.28039.550.28544.556.79049.963.69555.670.810061.778.5
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