It is simple to understand the three stages of heavy rail

Heavy rail is the more common rail products in the market today, our company also has a comprehensive understanding of the installation and maintenance of the heavy rail, there are three stages of contact fatigue damage in heavy rail, here is a summary of the following.

1,The change of the shape of the heavy rail tread, the irregularity of the rail tread, the saddle wear on the weld, will increase the impact of the wheel on the rail.

2,Contact fatigue of heavy rail joint is formed, the metal contact fatigue strength is insufficient, the maximum shear stress point exceeds the shear yield limit, it will make the point a plastic area.

3,Heavy rail surface metal damage, the cold hardening of the metal, the hardness of the working surface of the rail head increases, when the total mass is 150~200mt, microcracks are formed on the surface of the orbit. 

Henan Zongxiang Heavy Industry Import & Export Co., Ltd, established by experienced crew on the rail & track field, is a professional & reliable supplier that provides all kinds of rail & track accessories.

As an international trade subsidiary of Zhongxiang Steel Group Inc,. was found 1997. We have more than two decades experience on this field, covering an area of 33,000 square meters, with about 300 employees, 4 production lines, 2 R & D department, and 5 quality control staffs. With advanced technology, powerful processing capacity and excellent service,our products have been well recognized by our customers from domestic and overseas market.

If you have any question about our products, you can leave a message or click the online support. I am looking forward to your reply.

Tel: +86-371-5339 6695

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E-mail: zxsteel@zxsteelgroup.com