一、引言随着社会主义建设事业飞跃的发展,在全国工农业大跃进的新形势下,祖国各地工业遍地开花,以及人民公社的普遍建立,因而对农业机械提出更多的要求。由于工农业的大发展而相应地运输业也要跟上来,这样汽车制造业也要遍布全国,因此对可锻铸铁的生产提出了新的要求,如仍旧保持原来的生产过程,那就远远地满足不了实际的需要,同时也限制了可锻铸铁的应用范 I. INTRODUCTION With the rapid development of socialist construction, under the new situation of great leap forward in the country’s agriculture and industry, the industry throughout the motherland blossomed everywhere and the establishment of people’s communes was widespread. Therefore, more demands were placed on agricultural machinery. Due to the great development of agriculture and industry, the transportation industry has to be kept up accordingly. In this way, the automobile manufacturing industry also needs to be spread all over the country. Therefore, new requirements are put forward on the production of malleable cast iron. If the original production process is still maintained, Can not the actual needs, but also limited the application of malleable iron