Cast iron foundry here you don't know hot - knowledge Cast iron foundry

by:XEX     2021-01-29
Cast iron foundry in the casting of the carbon in cast iron with flake graphite form, its fracture is gray, usually also called gray iron. Due to graphite soft, with lubrication, thus casting pig iron has good cutting, wear-resisting and casting performance. But its tensile strength is not enough, so can not be forged, can only be used in the manufacture of all kinds of castings, such as casting a variety of machine tool bed, iron pipe, etc. Along with the advance of China's machinery manufacturing, mass production mechanization more and more large casting production enterprise, has higher requirement about the quality of the cast iron, we not only requires appropriate chemical composition of cast iron, but also the appearance quality of cast iron and slag content, the degree of density have high requirements. Cast iron foundry pig iron casting part is made up of small blast furnace production, at the same time, for use in production of cast iron machine, there is no uniform standard, also does not have the specification system in use process, there are many factors affecting the quality of cast iron.
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