塑料制品工业 - Plastics Industry

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Rubber or plastic molds and forming dies often only require wear resistance, which can be achieved by gas nitriding.

In non-alloyed steels and cast irons nitriding produces practically only a compound layer composed of gamma‘ or epsilon+gamma' nitrides. Surface hardness is not very high (HV1 = 320-400 for mild steel, 400-580 for cast iron), but sufficient to considerably improve resistance to wear and galling in conditions of insufficient lubrication.