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Heat-deviating steel object is made from a composition containing (in wt.%): 0.451-0.598 carbon, 0.11-0.29 silicon, 0.11-0.39 manganese, 4.21-4.98 chromium, 2.81-3.29 molybdenum, 0.41-0.69 vanadium and a balance of iron and impurities. The object has a hardness of at least 58 HRC at an impact bendin...

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Bibliographische Detailangaben
Hauptverfasser:	FISHER M. ENG. KAY, SCHWEIGER HERBERT
Format:	Patent
Sprache:	ger
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:	Heat-deviating steel object is made from a composition containing (in wt.%): 0.451-0.598 carbon, 0.11-0.29 silicon, 0.11-0.39 manganese, 4.21-4.98 chromium, 2.81-3.29 molybdenum, 0.41-0.69 vanadium and a balance of iron and impurities. The object has a hardness of at least 58 HRC at an impact bending force of at least 170 J and a notched bar impact work of at least 11 J. Preferred Features: The ratio of the concentration of vanadium to carbon is 0.82-1.38. The ratio of chromium + molybdenum + vanadium is 15.2 to 18.4.