High strength stainless chromium-nickel steel without aluminium and titanium, and method for making same

An air-cast ultra-high strength stainless steel prepared by combining Si, Cr, Cu, Mo, Ni, Co, W, and Fe, wherein the steel has a yield strength of greater than 1.482 N/mm 2 , a tensile strength of greater than 1.654 N/mm 2 , and an elongation of greater than 6 percent. In a preferred embodiment, the...

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Bibliographische Detailangaben
Hauptverfasser:	NASSER-RAFI, RAHBAR, WYTE, MICHAEL
Format:	Patent
Sprache:	eng ; fre ; 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:	An air-cast ultra-high strength stainless steel prepared by combining Si, Cr, Cu, Mo, Ni, Co, W, and Fe, wherein the steel has a yield strength of greater than 1.482 N/mm 2 , a tensile strength of greater than 1.654 N/mm 2 , and an elongation of greater than 6 percent. In a preferred embodiment, the air-cast ultra-high strength stainless steel includes at least one ingredient selected from the group consisting of C, V, Mn and mixtures thereof. The steel comprises up to 0.08 percent by weight C, in the range of from 0.3 to 1.5 percent by weight Si, in the range of from 9 to 13 percent by weight Cr, in the range of from 0.3 to 3 percent by weight Cu, in the range of from 2.5 to 4.5 percent by weight Mo, in the range of from 4 to 7 percent by weight Ni, in the range of from 7 to 13 percent by weight Co, in the range of from 0.2 to 2 percent by weight W, up to 0.5 percent by weight V, and a remaining amount Fe.