This series of Single chamber high pressure gas quenching furnace consists of  furnace body, vacuum system, water cooling system, electric control system and furnace outer material car etc. It is used for high pressure gas quenching of  materials like high-speed steel, tool and mould steel, high temperature alloy, martensitic stainless steel, titanium alloy etc and also for annealing process of magnetic material. It has special compacted inner furnace structure, with high-efficiency heat exchanger; it uses inside 360-degree nozzle all around cooling method and the highest gas quenching pressure can reach up to 10 bar. It is configured with optimization designed gas quenching system and electric control system and there is little deformation of work pieces.