Cold-formable chrome steel

Chromium steel alloy comprises (weight %) chromium (14-20), carbon (0.005-0.05), nitrogen (= 0.01), silicon (0.2-0.6), manganese (0.3-1), molybdenum (0.1-1), nickel (= 0.8), copper (0.2-1), selenium (0.02-0.2), lead (0.01-0.1), bismuth (0.01-0.5), arsenic (0.01-0.1), antimony (0.01-0.1), vanadium (0...

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Bibliographische Detailangaben
Hauptverfasser:	NICOLINI GUIDO, PACHER OSKAR
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Chromium steel alloy comprises (weight %) chromium (14-20), carbon (0.005-0.05), nitrogen (= 0.01), silicon (0.2-0.6), manganese (0.3-1), molybdenum (0.1-1), nickel (= 0.8), copper (0.2-1), selenium (0.02-0.2), lead (0.01-0.1), bismuth (0.01-0.5), arsenic (0.01-0.1), antimony (0.01-0.1), vanadium (0.005-0.08), titanium (0.005-0.08), niobium (0.005-0.08), zirconium (0.005-0.08), sulfur (0.15-0.65), tellurium (= 0.2), and iron and impurities (balance). Independent claims are also included for: (a) a method of thermal treatment of a cold-formed chrome steel alloy, comprising cold-forming the steel for a total deformation of 65-90%, and annealing the steel for 30-60 minutes at a temperature of 750-1080[deg]C; (b) a method of using a chrome steel alloy for producing an article to be machined with a cutting tool; and (c) an article for industrial use having a feature size of 0.6 mm and being made from chromium steel alloy.