Vacuum carburizing shine don dumama kayan aikin a cikin injin.Lokacin da ya kai yawan zafin jiki a sama da mahimmanci, zai tsaya na wani lokaci, ya kwashe kuma ya cire fim din oxide, sa'an nan kuma ya wuce a cikin iskar gas mai tsabta don haɓakawa da watsawa.The carburizing zafin jiki na injin carburizing ne high, har zuwa 1030 ℃, da carburizing gudun ne da sauri.Ana inganta aikin farfajiyar sassa na carburized ta hanyar degassing da deoxidizing.Gudun watsawa na gaba ya yi yawa.Carburizing da yadawa ana aiwatar da su akai-akai kuma a madadin har sai an kai matakin da ake buƙata da zurfin da ake buƙata.
Vacuum carburizing zurfin da kuma maida hankali surface za a iya sarrafawa;Yana iya canza metallurgical Properties na surface Layer na karfe sassa, da kuma tasiri carburizing zurfin ne zurfi fiye da ainihin carburizing zurfin sauran hanyoyin.