Typically, the gas carbonitriding process produced (carbonitrides)-martensite-retained austenite in the case and martensite-retained austenite or bainite-retained austenite in the core.

• 淬硬层中的典型组织为气体碳氮共渗产物(碳氮化合物)-马氏体-残留奥氏体,心部组织为马氏体-残留奥氏体或贝氏体-残留奥氏体。