steel carbonitruration / large series / medium series / small series
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Characteristics

  • Material:

    steel

  • Production method:

    large series, medium series, small series

  • Applications:

    for mining applications, for renewable energy use, for the building industry, for the petroleum industry, for agricultural applications, for marine applications, for the automotive industry, for the microelectronics industry, for military applications, for medical applications, for nuclear applications, for telecom applications, for aeronautics, for the aerospace industry, for the food industry

  • Certifications:

    ISO 9001, ISO 14001, ISO/TS 16949

Description

Carbonitriding is an austenitic (above A3) case hardening process similar to carburising, with the addition of nitrogen (via NH3 gas), used to increase wear resistance and surface hardness through the creation of a hardened surface layer.
Benefits

Carbonitriding is applied primarily to produce a hard and wear resistant case. The diffusion of both carbon and nitrogen increases the hardenability of plain carbon and low alloy steels, and creates a harder case than carburising. The carbonitriding process is particularly suited for clean mass production of small components. Due to the lower temperature required for the carbonitriding, compared to carburising, distortion is reduced. Mild quenching speed reduces the risk of quench cracking.
Application & materials

Austenitic carbonitriding is successfully applied to generally mass produced components, and those of smaller dimensions, where great resistance to wear is required and where the case depth requirements ranges from 0.1 to max 0.75 mm