Scrap copper classification standards Generally speaking, the classification of scrap copper is based on the content of pure copper.
Bright copper (Cu>99%)
#1铜(Cu 97%)
#2铜 (95%-96%)
Motor copper (92~94%): Generally it is copper on the motor in the motor.
Purple copper (79-81%)
Smelting grade copper (Cu90-92%)
Copper brick (CU93%)
Fire line (95-97%)
Copper edge material
H59 yellow copper. Brass is represented by +H; (yellow) is expressed as H80, H70, H68 H59, and the like.
In fact, they are all called copper, but the market trades more called purple copper, copper content is about 80%, there are more scrap metal varieties traded in brass, the general brass is 59 brass is included Pure copper 59%, the rest of the composition is mainly zinc, this copper is also called yellow copper main alloy scrap copper brass ---- copper-zinc alloy bronze ---- copper-tin alloy (except zinc-nickel In addition, alloys with other elements are called bronze)
White copper-----copper-cobalt-nickel alloy
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