| 摘要 |
1. Railroad car wheel with a running tread (4) and a flange (3), with outer abrasion-exposed surfaces of the railroad car wheel being hardened at a temperature below 600 degrees C, characterized in that the wheel consists of a steel with a low carbon content comprising =<0,10 % C, >=1,5 % Cr, and possible additives of Mn, Ni and/or Mo, and that only that side (6) of the flange (3) which faces towards the running tread (4) has been hardened at a temperature below 600 degrees C, while the running tread (4) and the outwardly facing side (5) of the flanges (3) are unhardened. |
