China's cast iron industry is in a leading position in terms of the number of enterprises and casting production, the material structure continues to improve, the quality is steadily improved, and the technical content and added value are gradually improved. The paper analyzes the important progress made in China's cast iron industry, especially since the "13th Five-Year Plan", the strength, plasticity and toughness of cast iron materials continue to improve, cast iron production technology and testing control have made great progress, and the application scope of cast iron in strategic emerging industries such as high-speed rail, nuclear power, robots has gradually expanded. Finally, the development trend of cast iron production technology is prospected, and the cast iron industry has a bright prospect in the future.
During the 13th Five-Year Plan period, domestic foundry enterprises have made considerable progress in equipment and technology, but there are still a considerable number of manufacturers' management and software have not kept up, and the problem of quality stability, reliability and poor consistency is more prominent. In addition to the large number of domestic cast iron factories and scattered, excess capacity, polarization, there is also a low degree of professional production, low level of digitalization and intelligence, large, thick, large cross-section, high-end cast iron quality control technology and more than 10t/h large hot air water cooled continuous cupola furnace localization and application to be improved. This year is the first year of the "14th Five-Year Plan", due to the continuous tightening of environmental supervision, coupled with the impact of the epidemic, the development environment of China's foundry industry will undergo great changes, to advance research and evaluation and actively respond to the adverse impact of the epidemic on exports, accelerate the development and application of new materials, new processes, new technologies and new products, and strive to promote the transformation and upgrading of the foundry industry.
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