截面 理论 外表面积 重量 面积bdrcm2kg/mm2/mIx(cm4)32031.1320.8890.0780.442041.4591.1450.0770.532531.4321.1240.0980.8242541.8591.4590.0971.0333031.7491.3730.1171.4643042.2761.7860.1171.8433632.1091.6560.1412.5843642.7562.1630.1413.2953653.3822.6450.1413.2934032.3591.8520.1573.5944043.0862.4220.1574.654053.7912.9760.1565.5334532.6592.0880.1775.1744543.4862.7360.1776.6554554.2923.3690.1768.0464565.0763.9850.1769.3335032.9712.3320.1977.1845043.8973.0590.1979.2655054.8033.770.19611.2165065.6884.4650.19613.0535633.3432.6240.22110.1945644.393.4460.2213.1855655.4154.2510.2216.0285688.3676.5680.21923.6346344.9783.9070.24819.0356356.1434.8220.24823.1766367.2885.7210.24727.1286389.5157.4690.24734.4610631011.6579.1510.24641.0947045.574.3720.27526.3957056.8755.3970.27532.2167068.166.4060.27537.7777079.4247.3980.27543.09870810.6678.3730.27448.1757557.3675.8180.29539.9767568.7976.9050.29446.95775710.167.9760.29453.57875811.5039.030.29459.96尺寸20×3.5L25×(mm)角钢型号L30×4.5L36×L40×5L45×L63×7L70×8L50×5.5L56×6L75×910751014.12611.0890.29371.9858057.9126.2110.31548.7968069.3977.3760.31457.35780710.868.5250.31465.58880812.3039.6580.31473.4910801015.12611.8740.31388.43690610.6378.350.35482.77790712.3019.6560.35494.83890813.94410.9460.353106.4710901017.16713.4760.353128.5812901220.30615.940.352149.226100611.9329.3660.393114.957100713.79610.830.393131.868100815.63812.2760.393148.24101001019.26115.120.392179.51121001222.817.8980.391208.9141001426.25620.6110.391236.53161001629.62723.2570.39262.537110715.19611.9280.433177.168110817.23813.5320.433199.46101101021.26116.690.432242.19121101225.219.7820.431282.55141101429.05622.8090.431320.718125819.7515.5040.492297.03101251024.37319.1330.491361.67121251228.91222.6960.491423.16141251433.36726.1930.49481.65101401027.37321.4880.551514.65121401232.51225.5220.551603.68141401437.56729.490.55688.81161401642.53933.3930.549770.24101601031.50224.7290.63779.53121601237.44129.3910.63916.58141601443.29633.9870.6291048.36161601649.06738.5180.6...
