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A wheel set is the wheel–axle assembly of a railroad car. The frame assembly beneath each end of a car, railcar or locomotive that holds the wheelsets is called the bogie (or truck in North America). Most North American freight cars have two bogies with two or three wheelsets, depending on the type of car; short freight cars generally have no bogies but instead have two wheelsets.
Wagon Wheel sets used for the wagon wheelsets .Operating conditions are poor conditions, round load. Freight wheel pairs are used in tread brakes. Wheel manufacturing and inspection requirements are relatively simple. Commonly used manufacturing standards are TB/T 1718,EN 13260 etc.
| 1 | Name | Wagon Wheel Set |
| 2 | Standard | AAR / EN / TB |
| 3 | Certification | ISO, AAR, TSI, IRIS |
| 4 | Material | CL60,AAR Class B,AAR Class C,AAR Class D,ER7, ER8, ER9, IRS 19/93 and etc. |
| 5 | Test | Chemical analysis, Metallographic, Mechnical analysis, Ultrasonic testing, Magnetic testing, Impact testing, Hardness testing, Surface quality and dimensions. |
| 6 | Application | Railway Wagon |
