DINING AND/OR SERVING CUTLERY MADE OF FERRITIC STAINLESS STEEL WITH A MARTENSITIC BOUNDARY LAYER

The invention relates to dining and/or serving cutlery made of a steel material which is formed from a ferritic core with an essentially martensitic boundary layer. In the dining and/or serving cutlery of the invention, the surface hardness of the boundary layer, determined according to the hardness...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BUEHLMAIER GUENTER, FRIZ WOLFGANG, NEUMAYER MARTIN, KIEFER ALEXANDER, STAUDINGER THEDA, BOERNER CORNELIUS
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR MAKING BEVERAGES COFFEE MILLS CUTTING DOMESTIC ARTICLES OR APPLIANCES FURNITURE HAND CUTTING TOOLS HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR HUMAN NECESSITIES KITCHEN EQUIPMENT PERFORMING OPERATIONS SEVERING SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to dining and/or serving cutlery made of a steel material which is formed from a ferritic core with an essentially martensitic boundary layer. In the dining and/or serving cutlery of the invention, the surface hardness of the boundary layer, determined according to the hardness test according to Vickers HV 3, is thereby greater by 30 to 300% than the lowest hardness of the core, likewise measured according to Vickers HV 3.