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Some Knowledge Points of High Strength Ductile Iron

06 Dec,2021

For the smelting of high strength ductile iron, cupola and power frequency furnace are widely used at home and abroad. In general, hot metal desulfurization. At present, most of the hot metal desulfurization methods use porous plug desulfurization method, that is, blowing N2 gas, adding CaC2 or composite desulfurization agent stirring desulfurization. The stability of desulphurization is of great significance for melting molten iron of crankshaft. For example, induction furnace melting can better control the range of alloy composition, stabilize the spheroidization, and easily ensure the quality of molten iron.

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Function and characteristics of high strength ductile iron

22 Nov,2021

It has been more than 60 years since the discovery of high-strength ductile iron. Because of its good comprehensive performance, convenient manufacturing and low cost, it can not only replace gray cast iron to improve the quality of cast iron materials, but also replace cast steel, forged steel and welded parts to reduce production costs. According to U.S. statistics, 40% of the total output of high-strength ductile iron is to replace forged steel parts, stamping parts and weldments, 25% is to replace malleable cast iron parts, 20% is to replace gray iron parts, 15% is to replace cast steel parts. Internationally, the proportion of high-strength ductile iron to the total number of castings and the proportion of high-strength ductile iron/cast steel are regarded as important indicators to measure the level of industrialization of a country.

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Production Factors of As-cast Low Temperature High Toughness Ductile Iron

18 Nov,2021

With the rapid development of China's economy and the introduction and absorption of foreign high-end castings, the quality requirements of high-performance, high-efficiency and high-reliability equipment in various fields are increasing day by day. Low temperature and high toughness ductile iron materials are widely used in wind power generation, high-speed railway and other fields due to their high impact toughness at low temperatures. Then, let's learn about the production factors of cast low temperature and high toughness ductile iron!

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[Industry Dynamics] Ministry of Industry and Information Technology: Five aspects to solidly promote the high-quality development of the manufacturing industry

17 Sep,2019

On July 23, Huang Libin, director of the Operation Monitoring and Coordination Bureau of the Ministry of Industry and Information Technology and spokesman, said at a press conference on the development of the industrial communications industry in the first half of 2019 that the manufacturing industry is the foundation of a country and the foundation of a strong country. The Party Central Committee and the State Council attach great importance to the high-quality development of the manufacturing industry and regard it as an important support for steady growth, efforts should be made to "strengthen, innovate, optimize the structure, promote integration, strengthen enterprises and optimize the environment" to promote the high-quality development of the manufacturing industry.

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[Industry Dynamics] The Ministry of Ecological Environment said: This winter will not be a unified organization of steel mills, foundries to limit production or stop production.

17 Sep,2019

On July 26, Liu Youbin, spokesman for the Ministry of Ecology and Environment, said that the Ministry of Ecology and Environment plans to list enterprises that have fully achieved ultra-low emissions as Class A. Such enterprises do not need to take emission reduction measures such as limiting production or stopping production when dealing with heavy pollution this winter, so as to set up benchmark enterprises and promote the improvement of industry governance level.

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