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What is the classification method of copper alloy?

Aug 03, 2020

There are three classification methods for copper alloys:


By alloy

According to the alloy system, it can be divided into unalloyed copper and alloyed copper. Unalloyed copper includes high-purity copper, toughened copper, deoxidized copper, oxygen-free copper, etc. Traditionally, people refer to unalloyed copper as red copper or pure copper. Also called red copper, and other copper alloys belong to alloy copper. 

copper alloy


By function

Classified by function, there are copper alloys for electrical and thermal conductivity (mainly unalloyed copper and microalloyed copper), copper alloys for structure (almost all copper alloys), and corrosion-resistant copper alloys (mainly tin brass, aluminum brass) , Various non-white copper, aluminum bronze, titanium bronze, etc.) wear-resistant copper alloys (mainly complex brass containing lead, tin, aluminum, manganese and other elements, aluminum bronze, etc.), free-cutting copper alloys (copper-lead, copper- Tellurium, copper-antimony alloys), elastic copper alloys (mainly antimony bronze, aluminum bronze, beryllium bronze, titanium bronze, etc.) damping copper alloys (high manganese copper alloys, etc.), artistic copper alloys (pure copper, simple single copper, Tin bronze, aluminum bronze, cupronickel, etc.). Obviously, many copper alloys have multiple functions.

copper


By Material forming method

According to the material forming method, it can be divided into cast copper alloy and deformed copper alloy. In fact, many copper alloys can be used for both casting and deformation processing. Generally, deformed copper alloys can be used for casting, but many cast copper alloys cannot be deformed such as forging, extrusion, deep drawing, and drawing. Cast copper alloys and deformed copper alloys can be subdivided into casting copper, brass, bronze and cupronickel.

alloy copper


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