Galvanized steel plate

Our country is generally used to dark colors. Copper and copper alloys are divided into four categories: brass, red copper, cupronickel, and bronze.

Brass: refers to an alloy based on copper and zinc, which can be subdivided into simple brass and complex brass. In complex brass, the third component is named nickel brass, silicon brass, etc.; brass is Various alloys composed of two or more elements are called special brass.