AAR Standard Train Knuckle Coupler High Strength Casting Processed
Product overview
A knuckle for a railway car coupler system comprising a front face generally opposite a pulling face; a cast utility hole extending into a top surface of the knuckle; a pivot pin hole extending from a top surface of the knuckle to a bottom surface of the knuckle; and a tail portion. The knuckle is free of internal voids and its front portion has a plurality of ribs defining front external weight reduction pockets. The tail portion has a second plurality of ribs defining rear external weight reduction pockets. Further, the knuckle is produced by investment casting to create a smoother pulling face, free of parting lines/draft angles.
Product advantages
1. Improved surface finish: Reduces amount of stress risers; Minimizes crack initiation
2. Optimum design and casting process
3. Consistent dimensions
4. Casting are 100% hardness tested, gaged, MPI inspected, fit and operated to ensure quality
5. Available a individual coupler bodies or completely assembled fits.
Product specification
| item | value |
| Product Name | Railway Couplings Knuckle |
| Material | AAR M-210 Grade E steel |
| Type | E-Knuckle E50BEV |
| Average fatigue life | ≥1,000,000 cycles. |
| Standard | AAR M-216, AAR M-215 |
| Fits for | all E and E/F couplers |
| MOQ | 100pcs |
| Technics | casting |
| Product Features | High Strength Structure |
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