Provided is a railway wheel having exceptional corrosion fatigue resistance characteristics. The railway wheel according to the present embodiment has a chemical composition containing, in mass%, 0.65-0.80% of C, 0.10-1.0% of Si, 0.10-1.0% of Mn, 0.030% or less of P, 0.030% or less of S, 0.05-0.20% of Cr, 0.005-0.50% of Sn, 0.010-0.050% of Al, 0.0020-0.015% of N, 0-0.20% of Cu, 0-0.20% of Ni, 0-0.20% of Mo, 0-0.20% of V, 0-0.030% of Nb, and 0-0.030% of Ti, the balance being Fe and impurities. The matrix structure of a sheet portion comprises pearlite.
Railway wheel
2019-09-19
Patent
Electronic Resource
English