Nitriding of martensitic stainless steels in the metastable condition
Nitriding of martensitic stainless steel in the metastable austenitic condition produces high strength of the base metal (up to 120–140 kgf/mm2).
Isothermal nitriding of steel 10Kh13 can be conducted at 500–550° for as long as 4 h, and steel 12Kh17N2 can be nitrided at 500–600° for the same time.
The nitrided case is formed at a higher rate than during nitriding in the pearlitic condition with depassivators, which is due to cleaning of the surface in vacuum.
KeywordsStainless Steel Nitrided Base Metal Metastable Condition Steel 10Kh13
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