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在批林整风的精神鼓舞下,我们遵照毛主席的“自力更生,奋发图强”的伟大教导,摸索和利用了当地生铁,铸造了合格的铸件,并且利用地方铁开始试制稀土镁球墨铸铁,初步解决了本厂的生产问题,为县、社工业利用本地资源、让铁炉粗料产好件、满足工农业生产的要求提供了一些参考数据。我们分析了地方铁的主要特点是低碳高硅,而影响使用性能,造成裂纹、脆断等缺
Inspired by the spirit of the rectification and rectification of forests, we followed the great teachings of Chairman Mao for “self-reliance and work hard”, explored and utilized local pig iron, castged qualified castings, and trial-produced rare earth magnesium nodular cast iron from local irons, initially Solve the factory’s production problems, for the county, community and industry use of local resources, so good iron furnace coarse material, to meet the requirements of industrial and agricultural production provides some reference data. We analyzed the main feature of local iron is low-carbon high-silicon, which affect the use of performance, resulting in cracks, brittle fracture, etc.