According to the section shape, there are circular alloy cored wires (line diameter 5-9mm) and rectangular alloy cored wires (16mmx7mm, 12mmx2mm), etc；
According to the type of powder, there are single alloy cored wires, composite alloy cored wires, a variety of single mixed alloy cored wires, etc；
According to the outgoing way of division, there are external alloy cored wires and internal shaft alloy cored wires；
According to the forming method, there are lap type alloy cored wires, welding type alloy cored wires and bite type alloy cored wires, etc；
According to the state of core material, there are loose alloy cored wires and integral alloy cored wires (powder extrusion forming).