Product Introduce The flanged rail steel wheels are made from high strength steel. Running surfaces are hardened to 40 HRC. With our own forging workshop, machining workshop, heat treatment workshop, we can provide all kind of wheels with different materials, such as ZG430640 cast steel, 60#,65 # , 65Mn, 42CrMoA or according to your demands. Specifications 1. Material: cast steel or cast iron. 2. Tread Hardness:260-380HB. 3. Loading capacity: 1-300 tons, can be customized. 4. Type : single flange wheel, double flange wheel, hollow wheel sets and solid wheel sets. 5. Diameter: 300mm, 350mm, 400mm, 450mm;500mm; 900mm, 1200mm, etc. Or as your demands. Inspection Technical report detailing the condition of each component to OEM requirements. Provide recommendations for repair or replacement. Issue recommendations to improve performance or capability. FIRM costs for reconditioning the assembly.