NON-MAGNETIC AUSTENITIC STAINLESS STEEL MATERIAL AND PRODUCTION METHOD THEREFOR

The present invention relates to a non-magnetic austenitic stainless steel material having a component composition containing, in terms of mass percent, C: < 0.10%, Si: < 0.3%, Mn: more than 4.5% to less than 10.0%, P: < 0.05%, S: < 0.0020%, Ni: 9.0% to 15.0%, Cr: 17.0% to 25.0%, Mo: 3.0...

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Hauptverfasser:	Koyanagi, Yoshihiko, Furusho, Chihiro
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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creator	Koyanagi, Yoshihiko Furusho, Chihiro
description	The present invention relates to a non-magnetic austenitic stainless steel material having a component composition containing, in terms of mass percent, C: < 0.10%, Si: < 0.3%, Mn: more than 4.5% to less than 10.0%, P: < 0.05%, S: < 0.0020%, Ni: 9.0% to 15.0%, Cr: 17.0% to 25.0%, Mo: 3.0% to 7.0%, and N: 0.3% to 0.6%, with the balance being Fe and unavoidable impurities; satisfying (40[N]+1.2[Cr]+0.07exp(0.3[Ni]+0.3[Cu]))×1.5[Mo]^(-0.18) ≤ 60, in which [M] represents a content of an element M in terms of mass%; having an austenite single phase structure; having a critical pitting temperature of 50°C or higher; and having a 0.2% proof stress of 970 MPa or more.
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Furusho, Chihiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP4279628A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2023</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>Koyanagi, Yoshihiko</creatorcontrib><creatorcontrib>Furusho, Chihiro</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Koyanagi, Yoshihiko</au><au>Furusho, Chihiro</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>NON-MAGNETIC AUSTENITIC STAINLESS STEEL MATERIAL AND PRODUCTION METHOD THEREFOR</title><date>2023-11-22</date><risdate>2023</risdate><abstract>The present invention relates to a non-magnetic austenitic stainless steel material having a component composition containing, in terms of mass percent, C: < 0.10%, Si: < 0.3%, Mn: more than 4.5% to less than 10.0%, P: < 0.05%, S: < 0.0020%, Ni: 9.0% to 15.0%, Cr: 17.0% to 25.0%, Mo: 3.0% to 7.0%, and N: 0.3% to 0.6%, with the balance being Fe and unavoidable impurities; 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subjects	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
title	NON-MAGNETIC AUSTENITIC STAINLESS STEEL MATERIAL AND PRODUCTION METHOD THEREFOR
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