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Railway Tie Plate Application

What is Railway Tie Plate

A tie plate, baseplate or sole plate is a steel plate used on rail tracks between flanged T rail and the crossties. The tie plate increases bearing area and holds the rail to correct gauge. They are fastened to wooden ties by means of spikes or bolts through holes in the plate.

Railway Tie Plate Developed by AGICO

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The railway rail and the sleeper are connected by a metal underlay under the rail. The under-metal pad is one of the important fasteners for fixing the rail, and is also the main force-supporting component for supporting the rail. The precision forging high-speed rail tie plate pad replaces the original casting process by forging process, and its inherent quality is significantly superior to the original casting product. Its successful development fills the blank of the precision forging process of domestic high-speed railway tie plate, and has obtained more than 10 National intellectual property patents.

Rail Tie Plate Characteristics:

  1. The internal structure is fine. The forged tie plate can ensure the continuity of the metal fiber structure, so that the fiber structure of the forging is consistent with the shape of the forging, the metal flow line is complete, and the internal organization is uniform. During the test, the parts can be found along the longitudinal direction. A very complete and distinct forged fiber streamline.
  2. Uniform chemical composition. The chemical composition of the precision forged tie plate can ensure that the grain is fine and dense, no bubbles shrinkage, no component segregation, no impurity residue.
  3. Enhanced mechanical properties. The tie plate produced by the precision forging process has high strength and good toughness, and the pad is subjected to a bending test at a 90-degree angle. After the bending test, the pad does not show any crack.
  4. Product quality is stable. The high-iron rail tie plate produced from low-carbon high-strength steel can be operated in an environment with a speed of over 250km/h and a temperature of -40 °C to +70 °C.

Rail Tie Plate Production Process:

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Material analysis, selection of material, heating (moulding) billet die forging edge punching hot school heat heat cold normal surface cleaning shot blasting machine plus inspection rust packaging into the warehouse.

Product Advantage:

Rail tie plate structure and mechanical indicators and comprehensive performance than the existing cast steel pad has been significantly improved.

Rail Tie Plate Steel Chemical Composition:

Steel Grade Carbon Manganese Phosphorus Sulphur Silicon Residual element
C Mn P S Si Cr≤0.35
ZG200-400 0.20 0.80 0.04  0.04 0.50 Cr≤0.35
ZG230-450 0.30 0.90 0.04 0.04  0.50 Ni≤0.30
ZG270-500 0.40 0.90 0.04  0.04 0.50 Mo≤0.20
ZG310-570 0.50 0.90 0.04 0.04  0.60 Cu≤0.30
ZG340-640 0.60 0.90 0.04  0.04 0.60 V≤0.05

Application Fields:

This product has been put into use in high-speed railways at home and abroad. From 2012 to 2013, it has been applied to Beijing-Shanghai high-speed rail and Japan's Hokuriku Shinkansen. The products are sold in large quantities to Japan, Germany, Australia, etc. The quality of the country has been highly recognized by Mitsui & Co., Ltd. and the German company Fussoo (company). Since the second half of 2014, a large-scale railway equipment company in Shanghai has signed a long-term cooperation agreement with our company. Brazilian railway companies have signed a 2-year supply contract with our company.

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