RGB Metallurgical specialises in the supply of Nitriding Furnaces for the surface hardening of all ferrous materials and components.In particular, Nitriding Furnaces for Aluminium extrusion dies are a speciality. All other types of heat treatment furnace , new or second hand can be sourced. The company runs a failure investigation depatment for a wide variety of material problems. The supply of vacuum heat treatmnet furnaces up to 20 bar overpressure and associated technology is available to clients. Specialist knowledge for the heat treatment of tool steels and in particular hot work tool steels for extrusion and forging.