Ferritic stainless steel having toughness and weldability

A ferritic stainless steel containing 0.03% maximum carbon, up to about 12% manganese, about 0.03% maximum phosphorus, about 0.030% maximum sulfur, about 1.0% maximum silicon, about 12% to about 26% chromium, about 5% maximum nickel, 0.10% to 0.5% aluminum, 0.2% to 0.45% columbium, 0.03% maximum nit...

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Bibliographische Detailangaben
Hauptverfasser:	ESPY, RONALD H
Format:	Patent
Sprache:	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:	A ferritic stainless steel containing 0.03% maximum carbon, up to about 12% manganese, about 0.03% maximum phosphorus, about 0.030% maximum sulfur, about 1.0% maximum silicon, about 12% to about 26% chromium, about 5% maximum nickel, 0.10% to 0.5% aluminum, 0.2% to 0.45% columbium, 0.03% maximum nitrogen, about 2% maximum copper, about 5% maximum molybdenum, residual titanium, and balance essentially iron. Columbium is present in excess of the amount required to react completely with carbon. The steel has high ductility and toughness in heavy sections and good corrosion resistance in weld areas.