Crane Accessories Design Crane Wheel Overview Crane wheel forging materials: 60#, 65Mn, 42CrMo. Crane wheels are for sustaining the crane. Surface hardness is HB 300-350, and depth of quenching is more than 20mm. Features 1. Application scope: Sustaining the overhead crane or gantry crane. 2. Weihua crane wheels adopt ZG430-640 cast steel, and thermal treatment on surface. 3. Surface hardness of our crane wheels is HB 300-350, and depth of quenching is more than 20mm.Crane Accessories Design website:http://www.weihuagrpcrane.com/crane-accessories/