Ferritic Stainless Steel for Automotive Exhaust System, Which Have Excellent Corrosion Resistance Against Condensate, Moldability, and High-Temperature Oxidation Resistance, and Method for Manufacturing Same

Provided is a ferritic stainless steel having excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, wherein the ferritic stainless steel is capable of being manufactured in an economically advantageous manner without adding expensive alloying elem...

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Bibliographische Detailangaben
Hauptverfasser:	RYU HAN JIN, KANG HYUNG GU, TAE GI SUN, HA HUN JAE
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS APPARATUS THEREFOR BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MACHINES OR ENGINES IN GENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS STEAM ENGINES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a ferritic stainless steel having excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, wherein the ferritic stainless steel is capable of being manufactured in an economically advantageous manner without adding expensive alloying elements. The ferritic stainless steel includes, by weight %, C: greater than 0 and 0.01% or less, Cr: 9 to 13%, Si: 0.5 to 1.0%, Mn: greater than 0 and 0.5% or less, P: greater than 0 and 0.035% or less, S: greater than 0 and 0.01% or less, Ti: 0.15 to 0.5%, N: greater than 0 and 0.01% or less, Sn: 0.05 to 0.5%, and the remainder is Fe and inevitable impurities, wherein Sn concentrated at the surface part of the stainless steel is 10 times or more than Sn concentrated at the base part.