Copper is a metal with very thermal and electrical conductivity. Brass is an alloy of copper and zinc. It is used as a conductor of heat and electricity, a building material, and a constituent of various metal Alloys. Copper products includes flats, rods, pipes, sheet, wire etc Brass is used for decoration for its bright gold-like appearance; Brass is used for decoration for its bright gold-like appearance; for applications where low friction is required such as locks, gears, bearings, doorknobs, ammunition casings and valves; for plumbing and electrical applications; etc. Brass products includes locks, bolts, cup hooks,nuts,hinges,pipes,rods,sheets,screws etc.