1、热轨等边和不等边角钢的尺寸、横截面积、理论重量、外表面积尺寸（mm）型号b d r横截面积（cm）理论重量（ kg/m）外表面积（m/m）2 202.5 2534343.51.1321.4591.4321.8590.8891.1451.1241.4590.0780.0770.0980.0973.0 30343.6 363454.51.7492.2762.1092.7563.3821.3731.7861.6562.1632.6540.1170.1170.1410.1410.1414 4034552.5393.0863.7911.8522.4222.9760.1570.1570.1564.5 45
2、345652.6593.4864.2925.0762.0882.7363.3693.9850.1770.1770.1760.1765 5034565.52.9713.8974.8035.6882.3323.0593.7704.4650.1870.1970.1960.1965.6 56345863.3434.3905.4158.3672.6243.4464.2516.5680.2210.2200.2200.2196.3 6345681074.9786.1437.2880.51511.6573.9074.8225.7217.4699.1510.2480.2480.2470.2470.2467 70
3、4567885.5706.8758.1609.42410.6674.3725.3976.4067.3988.3730.2750.2750.2750.2750.2747.5 755678107.4128.79710.16011.50314.1265.8186.9057.9769.03011.0890.2950.2940.2940.2940.2938.0 805678109 7.9129.39710.86012.30315.1266.2117.3768.5259.65811.8740.3150.3140.3140.3140.3139 9067810121010.63712.30113.94417.
4、16720.3068.3509.65610.94613.47615.9400.3540.3540.3530.3530.35210 1006781012141611.93213.79615.63819.26122.80026.25629.6279.36610.83012.27615.12017.89820.61123.2570.3930.3930.3930.3920.3910.3910.39011 1107810121412 15.19617.23821.26125.20029.05611.92813.53216.69019.78222.8090.4330.4330.4320.4310.4311
5、2.5 125810121419.75024.37328.91238.36715.50419.13322.69626.1930.4920.4910.4910.49014 140101214161427.37332.51237.56742.53921.48825.52229.49033.3930.5510.5510.5500.54916 1601012141631.50237.44143.29649.06724.72929.39133.98738.5180.6300.6300.6290.62918 180121416181642.24148.89655.46761.95533.15938.38343.54248.6340.7100.7090.7090.70820 200141618202454.64262.01369.30176.50590.66142.89448.68054.40160.05671.1680.7880.7880.7870.7870.785
