FERRITIC STAINLESS STEEL HAVING IMPROVED TOUGHNESS AND WELDABILITY

A ferritic stainless steel containing 0.03% maximum carbon, up to 12% manganese, 0.03% maximum phosphorus, 0.030% maximum sulfur, 1.0% maximum silicon, 12% to 26% chromium, 5% maximum nickel, 0.10% to 0.5% aluminum, 0.2% to 0.45% columbium, 0.03% maximum nitrogen, 2% maximum copper, 5% maximum molyb...

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Bibliographische Detailangaben
1. Verfasser:	ESPY, RONALD H
Format:	Patent
Sprache:	eng ; fre
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 12% manganese, 0.03% maximum phosphorus, 0.030% maximum sulfur, 1.0% maximum silicon, 12% to 26% chromium, 5% maximum nickel, 0.10% to 0.5% aluminum, 0.2% to 0.45% columbium, 0.03% maximum nitrogen, 2% maximum copper, 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.