China’s steelmaker Baosteel has developed a new variety of corrosion-resistant bearing steel, dubbed S450EW, for railway wagons.

The new product is lightweight and 50% more resistant to corrosion compared with existing products, the company said.

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S450EW has been developed following three rounds of trial manufacture and was used in the trial manufacture of 2,000 vehicles.

Baosteel has also developed a matching welding material suitable for welding the wagons.

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