The billet and rectangular billet mould assembly is mainly composed by the following parts: mould copper tube, outer water jacket, diversion water jacket, upper and lower sealing flanges, various sealing rings, foot roller device, foot roller area spray Device. 

The core part is the mould copper tube, and other parts are assembled around the copper tube.

Square billet and rectangular billet assemblies are generally reserved for installation of electromagnetic stirring devices and automatic liquid level control devices.