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Home > Copper casting > Copper casting
Copper casting
Copper casting Copper casting

Copper casting

Delivery time: 15-30days
Price term：EXW,FOB,CIF,CFR,CNF,etc.
Payment：L/C,T/T,Western Union,etc.
Port Delivery：Qingdao, Shanghai, Tianjin, Shenzhen,etc.
We can provide customized products in different materials and sizes to meet different needs.
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Description
Description

Copper casting

 

 

 

 

Red copper is industrial pure copper. Because of its rose red, the surface of the formation of oxide film is purple, it is generally called red copper, also known as red copper. It is copper containing a certain amount of oxygen, so it is also called oxygen-containing copper, sometimes can also be regarded as copper alloy.
 

 

 

 

Copper is second only to silver in conductivity and thermal conductivity, and is widely used in the production of electrical and thermal conductive equipment. Copper in the atmosphere, sea water and some non-oxidizing acids (hydrochloric acid, dilute sulfuric acid), alkali, salt solution and a variety of organic acids (acetic acid, citric acid), has good corrosion resistance, used in chemical industry.
 
Copper is a relatively pure copper, generally can be approximately considered to be pure copper, electrical conductivity, plasticity are better, but the strength, hardness is worse. Red copper has excellent thermal conductivity, ductility and corrosion resistance. 
 
Trace impurities in red copper have serious influence on the conductivity and thermal conductivity of copper. Among them, titanium, phosphorus, iron and silicon significantly reduce the electrical conductivity, while cadmium and zinc have little effect. The solid solubility of oxygen, sulfur, selenium and tellurium in copper is very small, and they can form brittle compounds with copper, which have little effect on electrical conductivity, but can reduce machining plasticity.
 
The use of red copper is much more extensive than pure iron, 50% of the copper is purified for pure copper by electrolysis every year, used in the electrical industry. Here said copper, really to be very pure, copper 99.95% or more, a very small amount of impurities, especially phosphorus, arsenic, aluminum, will greatly reduce the conductivity of copper.
 

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