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Phone: 13889888886

Telephone: 024-62908888

Fax: 024-87880508

Email address: sjj8000@sohu.com

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Automobile castings

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Automobile castings

  • Classification:Cast iron

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  • Date:2018/07/03
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Detailed

Automobile casting is an iron carbon alloy with a carbon content of more than 2%. Carbon is usually in the form of graphite in cast iron, and sometimes in the form of cementite. In addition to carbon, cast iron also contains 1% ~ 3% silicon, as well as manganese, phosphorus, sulfur and other elements. Alloy cast iron also contains nickel, chromium, molybdenum, aluminum, copper, boron, vanadium and other elements. Carbon and silicon are the main elements that affect the microstructure and properties of cast iron. The cast iron can be divided into: grey cast iron. The carbon content is high (2.7% ~ 4.0%), and the carbon mainly exists in the form of flake graphite. Low melting point (1145 ~ 1250 ℃), solidification shrinkage small, compressive strength and hardness is close to carbon steel, good shock absorption. Used for making machine tool bed, cylinder, box and other structural parts. Parliamentary white cast iron. The content of carbon and silicon is low. Carbon mainly exists in the form of cementite, and the fracture is silver-white. When solidified, the shrinkage is large, easy to produce shrinkage cavity, crack. High hardness, brittleness, can not withstand impact load. It is mainly used as billet parts of malleable iron and parts for wear-resisting. Press the malleable iron. Obtained by annealing of white cast iron, graphite is flocculated, called ductile iron. It has uniform structure, wear-resistant, good plasticity and toughness. Used for making parts with complex shape and strong dynamic load. Superior ductile iron. After the spheroidization of grey cast iron water, the precipitated graphite is spherical, or ductile iron for short. Compared with ordinary grey cast iron, it has higher strength, better toughness and plasticity. Used to manufacture internal combustion engines, auto parts and farm tools, etc. Bleach vermicular cast iron. The graphite precipitated from gray cast iron was obtained by creep treatment. The mechanical properties are similar to nodular cast iron, and the casting properties are between grey cast iron and nodular cast iron. Used to make auto parts. Herring alloy cast iron. Ordinary cast iron is obtained by adding appropriate amount of alloy elements (such as silicon, manganese, phosphorus, nickel, chromium, molybdenum, copper, aluminum, boron, vanadium, tin, etc.). The alloy element makes the matrix structure of cast iron change, so it has the corresponding characteristics of heat resistance, wear resistance, corrosion resistance, low temperature resistance or non-magnetic resistance. Used in the manufacture of mining, chemical machinery, instruments and other parts.

Tag:Caststeelcastiron,automobilecast

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18940018888

13889888886

024-62908888

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Phone: 18940018888

             13889888886

Telephone: 024-62908888

Email address: sjj8000@sohu.com

Address: no. 15, liaozhong commercial street, shenyang city

Fax: 024-87880508

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