This paper presents a kind of method for producing ductile iron castings with the technique of evaporative pattern casting and in mould spheroidizing, and introduces its main measures.
提出了用气化模铸造型内球化处理生产球铁铸件的方法及其工艺要点。
In order to make the blast furnace iron melt with fluctuating S content suitable to production of large centrifugally cast ductile iron pipes, a sort of desulphurizing agent which has multiple functions, relatively low cost and can be easily used was developed.
为使硫量波动的高炉铁液能适应大型离心铸造球铁铸管生产,研制了一种成本较低廉、添加操作简单的复合功能型脱硫剂。
