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This achievement has reached the international advanced level, won the provincial second prize for scientific and technological progress in 90 years and national invention patents, and is listed as a national key promotion project.
The service life of cast iron cylinder liners is more than double than that of boron cast iron. It exceeds 200,000 kilometers for the first time in China, reducing the wear of piston rings by 25%, and the cylinder liner of cast iron diesel locomotives can reach 400,000 kilometers, which doubles the service life of the original material. Above, the cost of cast iron and metallurgical rolls is reduced by more than 30% compared with the original alloy steel.
The average annual production value of the manufacturer is 28 million yuan, and the new profits and taxes are more than 900 million yuan.
The cast iron material is a new kind of cast iron material researched and developed based on China's abundant resources. Widely used in automotive, machinery, mining, metallurgy and other industries, to create a variety of wear-resistant, heat-resistant and corrosion-resistant parts. Such as the internal combustion engine cylinder liner, piston ring, crankshaft, ball mill ball, liner, metallurgical roller and other products.