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What is the foundry pig iron? - Foundry pig iron - Pig iron casting

by:XEX     2021-02-23
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. Pig iron generally refers to the carbon content in 2 ~ 4. 3% of the iron alloy. Also known as cast iron. In addition to carbon in cast iron, but also contains silicon, manganese, and small amounts of sulfur, phosphorus, etc. , it may cause cannot be forged. 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. Pig iron is the basis of a casting material, for a long time for the quality control of casting pig iron is often still stays at the level of the chemical composition. Cast iron part is composed of small blast furnace production, at the same time, because in the production of cast iron is used in the 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. Some poor quality of the appearance of the casting pig iron, slag content, as well as some defects such as pig iron in a large number of empty, the existence of defects, for casting production will lead to some adverse effect, also causes a certain to the pig iron production enterprises economic losses. Xin, Johnson was founded in 2012 on April 8, the transportation is convenient in: guangzhou, high-speed, high-speed Shen Hai, same highways as well. Is a company specializing in the production of cast copper, cast iron, cast aluminum manufacturers.
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