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贵州铸造件和白口铁的区别有哪些?

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贵州铸造件和白口铁的区别有哪些?

发布日期:2018-02-11 作者:贵州铸造 点击:

贵州铸造件和白口铁的区别有哪些?

贵州铸造

What are the differences between the cast parts of Guizhou and the white iron?


贵州铸造件和白口铁的区别有哪些?

What are the differences between the cast parts of Guizhou and the white iron?

铸造业常用的原料有很多种,最常见的有铸造生铁和球墨铸铁。一般炼钢生铁里的碳主要以碳化铁的形态存在,其断面呈白色,通常又叫白口铁。这种生铁性能坚硬而脆,一般都用做炼钢的原料。由于铸铁中碳的含量不同,所以性质也有很大的不同

There are many kinds of raw materials used in the foundry industry, the most common cast iron and spheroidal graphite cast iron. General carbon steel-making pig iron mainly exists in the form of iron carbide, the white section, usually called white iron. The pig iron has a hard and crisp performance, which is usually used as a raw material for steelmaking. Because of the different carbon content in cast iron, the properties of cast iron are very different.


铸造生铁中的碳以片状的石墨形态存在,它的断口为灰色,通常又叫灰口铁。由于石墨质软,具有润滑作用,因而贵州铸造生铁具有良好的切削、耐磨和铸造性能。

Cast iron in carbon flake graphite form exists, its fracture is gray, usually known as gray iron. Because of the soft graphite and lubrication, the cast iron in Guizhou has good cutting, abrasion resistance and casting properties.


但它的抗拉强度不够,故不能锻轧,只能用于制造各种铸件,如铸造各种机床床座、铁管等。球墨铸铁里的碳以球形石墨的形态存在,其机械性能远胜于灰口铁而接近于钢,它具有优良的铸造、切削加工和耐磨性能,有一定的弹性,广泛用于制造曲轴、齿轮、活塞等高级铸件以及多种机械零件。

But its tensile strength is not enough, so it can not be forged and rolled, and it can only be used to make various castings, such as the casting of machine bed seats and iron pipes. Ductile iron to carbon in the form of spherical graphite, which is far better than the mechanical properties of gray cast iron and close to steel, it has excellent casting, machining and wear resistance, has a certain flexibility, widely used in the manufacture of gear, crankshaft, piston and a variety of advanced casting machine parts.


贵州铸造介绍

Introduction of Guizhou foundry

球墨铸造是一种铸造工艺,现在都用稀土镁合金做球化剂,化铁炉和灰铁相同。为了保证良好的球化,要控制硫和磷的含量要低一些。考虑到孕育时温度的损失,铁水的温度应比灰铁高一些。根据所生产球铁的牌号,有时要控制含碳量,要在炉料中加入一定比例的废钢。 还要做一个孕育铁水包,取样小勺,三角试件和圆柱试件模各一。车床上下来的钢车屑、稻草灰若干。

Ductile casting is a casting process, are now using rare earth magnesium alloy as nodulizing agent, and the same gray iron cupola. In order to ensure good spheroidization, the content of sulphur and phosphorus should be controlled a little lower. Taking into account the loss of temperature incubation, the molten iron temperature should be higher than the gray iron. A certain proportion of waste steel should be added to the furnace material according to the number of the ductile iron produced, and sometimes the carbon content should be controlled. We also have to make a ladle, a small sample spoon, a triangulation test piece and a cylindrical specimen. A number of steel crumbs and straw ash on the lathe.


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