A leading Chinese manufacturer of railway fastening components has announced a major production upgrade for its ductile iron tie plates, driven by a surge in demand from international heavy-haul freight lines, mining railways, and high-speed passenger corridors. The upgraded casting and machining line now produces baseplates for timber, concrete, and steel sleepers with tighter tolerances and faster delivery times.

Tie plates — also referred to as baseplates or sole plates — are placed between the rail and the sleeper to distribute load, protect the sleeper surface, and provide the correct rail seat inclination. As a foundational element of any rail fastening system, the dimensional accuracy of the plate directly affects rail gauge, clip performance, and the long-term stability of the entire track structure.

The company has invested in automated resin sand moulding equipment and five-axis CNC machining centres to produce single-shoulder, double-shoulder, and flat baseplates from high-grade ductile iron grades such as QT450-10 and QT500-7. The new line enables consistent production of plates for rail profiles including UIC 60, UIC 54, 115RE, 136RE, and JIS 50N.

“In heavy-haul applications, a poorly cast or poorly machined tie plate will cause uneven clip seating and rapid pad wear, which leads to more frequent railway maintenance,” explained the company’s Chief Engineer. “We have focused on achieving a perfectly flat rail seat and accurate shoulder geometry on every plate. This ensures that our spring steel rail clips, elastic pads, and insulators all work together as a single coordinated rail fastening system.”

The tie plates are available with a full range of surface treatments, including black oxide, zinc plating, epoxy powder coating, and hot-dip galvanizing, depending on the environmental conditions of the project. All plates are hardness-tested and dimensionally inspected before shipment, with full heat traceability provided.

The company has recently delivered large-volume baseplate orders for several international railway projects, including a mining railway upgrade in West Africa and a mixed-traffic line rehabilitation in Southeast Asia. In both cases, the plates were supplied together with matching screw spikes, E-clips, and rail pads, providing the contractor with a fully integrated package of track fasteners from a single source.

“More and more contractors want to buy the whole fastening system from one manufacturer,” the Export Manager noted. “By producing tie plates, clips, pads, and insulators under the same quality system, we can guarantee that every component fits correctly. This reduces installation time in the field and gives the railway operator predictable long-term maintenance intervals.”

The factory operates under ISO 9001 certification, and several tie plate designs have already achieved CRCC approval. The company is currently working on new lightweight baseplate designs for metro and light rail applications, where reduced structure gauge and noise control are additional priorities.

Samples of the upgraded tie plates, together with technical data sheets and material certificates, are available upon request.

E-mail:

info@xindarail.com

Mobile/whatsapp:

+86-18821331647