Classification of copper pipes

Square tube (purple, yellow)
Common copper pipes can be divided into the following types:
Copper condensing tube, mould copper tube, air conditioner copper tube, all kinds of extruded, drawn (reverse extruded) copper tube, iron and white copper tube, brass tube, bronze tube, white copper tube, beryllium copper tube, tungsten copper tube, phosphor bronze tube, aluminum bronze tube, tin bronze tube, imported red copper tube, etc.