Railway steel wheels free forged: 1. High-strength wheel used for port machine. 2. Material: Forged 42CrMo4, 60, 65Mn, SSW-Q1R and so on, or according client request. 3. Wheel Tread surface and flange hardness: 300-380HB and handness deep more than 15mm 4. Wheel material UT test before process and tread surface MT test after heat treatment. 5. Welcome client drawing.