A total of 6,500 tons of Chinese-made 50-meter steel rails of GB 50kg rail on Mar 20th departed Northeast China's Tianjin for Europe, where they will be used in construction projects on the Hungarian-Serbian railway.

This is the first time that Chinese-made 50-meter steel rails have been exported to the European market [...]

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In August 2023, Signum Rail successfully supplied 50,000pcs Fe6 spring washers to Serbian Clients [...] 

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The material of Fe 6 double Spring Washer are various. For Fe 6 washers production, material of 65Mn and 60Si2Mn are used, and each occupies nearly 50% of the market. 82B is suitable for super cold temperature districts. In some former USSR countries including Baltic countries, the material of this spring washer is 40С2А. And for some super requirments to meet, 38Si7 is a better choice for raw material. [...] 

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KPO rail fastening system is quite common in the world. It is usually consist of KPO clips, screw spikes, HS bolts, Hex nuts and double coil spring washer and KD65 base plate. The Fe 6 double spring washer is the smallest part of it. But it is quite important or the KPO rail fastening system. The wash is subject to considerable expansion aThe Double Coil Spring Washer and KPO railway fastening system nd contraction.  [...] 

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