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貴州鑄造件和白口鐵的區別有哪些?

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貴州鑄造件和白口鐵的區別有哪些?

發布日期:2018-02-11 作者:貴州鑄造 點擊:

貴州鑄造件和白口鐵的區別有哪些?

貴州鑄造

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


貴州鑄造件和白口鐵的區別有哪些?

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

鑄造業常用的原料有很多種,最常見的有鑄造生鐵和球墨鑄鐵。一般煉鋼生鐵里的碳主要以碳化鐵的形態存在,其斷面呈白色,通常又叫白口鐵。這種生鐵性能堅硬而脆,一般都用做煉鋼的原料。由于鑄鐵中碳的含量不同,所以性質也有很大的不同

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.


鑄造生鐵中的碳以片狀的石墨形態存在,它的斷口為灰色,通常又叫灰口鐵。由于石墨質軟,具有潤滑作用,因而貴州鑄造生鐵具有良好的切削、耐磨和鑄造性能。

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.


但它的抗拉強度不夠,故不能鍛軋,只能用于制造各種鑄件,如鑄造各種機床床座、鐵管等。球墨鑄鐵里的碳以球形石墨的形態存在,其機械性能遠勝于灰口鐵而接近于鋼,它具有優良的鑄造、切削加工和耐磨性能,有一定的彈性,廣泛用于制造曲軸、齒輪、活塞等高級鑄件以及多種機械零件。

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.


貴州鑄造介紹

Introduction of Guizhou foundry

球墨鑄造是一種鑄造工藝,現在都用稀土鎂合金做球化劑,化鐵爐和灰鐵相同。為了保證良好的球化,要控制硫和磷的含量要低一些??紤]到孕育時溫度的損失,鐵水的溫度應比灰鐵高一些。根據所生產球鐵的牌號,有時要控制含碳量,要在爐料中加入一定比例的廢鋼。 還要做一個孕育鐵水包,取樣小勺,三角試件和圓柱試件模各一。車床上下來的鋼車屑、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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