Coupler Knuckle Casting

The steel casting coupler knuckle is a critical component in railway car connectors, responsible for securely joining rolling stock while enduring immense tensile forces, compression loads, and impact shocks during operation. Forged from high-strength alloy steel, it delivers exceptional toughness, wear resistance, and fatigue durability to withstand heavy-haul freight, high-speed passenger trains, and harsh track conditions.

Its robust design ensures reliable automatic coupling/uncoupling, maintaining structural integrity under extreme stress while minimizing deformation. Precision-engineered contours and heat-treated surfaces enhance longevity and safety.