FERRITE-BASED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE FOR EXHAUST SYSTEM
Disclosed is a ferrite-based steel sheet that has excellent corrosion resistance for an exhaust system while containing a reduced amount of Cr which is an expensive element. The ferrite-based steel sheet having excellent corrosion resistance for an exhaust system according to an embodiment of the pr...
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| creator | HA, Hunjae KANG, Hyunggu LEE, Munsoo KIM, Youngjun JO, Gyujin |
| description | Disclosed is a ferrite-based steel sheet that has excellent corrosion resistance for an exhaust system while containing a reduced amount of Cr which is an expensive element. The ferrite-based steel sheet having excellent corrosion resistance for an exhaust system according to an embodiment of the present disclosure includes, 0.02% or less of carbon (C), 0.02% or less of nitrogen (N), 2.0% or less of silicon (Si), 0.5% or less of manganese (Mn), 3.0 to 5.5% of chromium (Cr), 0.001 to 0.3% of titanium (Ti), 1.0 to 4.0% of aluminum (Al), and the balance of iron (Fe) and inevitable impurities, wherein the ferrite-based steel sheet has a surface scale layer and satisfies a maximum content of 15.0% or more for Al and a maximum content of 3.0% or less for Si in a range from a surface to the depth of 0.2 µm. |
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The ferrite-based steel sheet having excellent corrosion resistance for an exhaust system according to an embodiment of the present disclosure includes, 0.02% or less of carbon (C), 0.02% or less of nitrogen (N), 2.0% or less of silicon (Si), 0.5% or less of manganese (Mn), 3.0 to 5.5% of chromium (Cr), 0.001 to 0.3% of titanium (Ti), 1.0 to 4.0% of aluminum (Al), and the balance of iron (Fe) and inevitable impurities, wherein the ferrite-based steel sheet has a surface scale layer and satisfies a maximum content of 15.0% or more for Al and a maximum content of 3.0% or less for Si in a range from a surface to the depth of 0.2 µm.</description><language>eng ; fre ; ger</language><subject>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</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220928&DB=EPODOC&CC=EP&NR=3981895A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76304</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220928&DB=EPODOC&CC=EP&NR=3981895A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HA, Hunjae</creatorcontrib><creatorcontrib>KANG, Hyunggu</creatorcontrib><creatorcontrib>LEE, Munsoo</creatorcontrib><creatorcontrib>KIM, Youngjun</creatorcontrib><creatorcontrib>JO, Gyujin</creatorcontrib><title>FERRITE-BASED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE FOR EXHAUST SYSTEM</title><description>Disclosed is a ferrite-based steel sheet that has excellent corrosion resistance for an exhaust system while containing a reduced amount of Cr which is an expensive element. The ferrite-based steel sheet having excellent corrosion resistance for an exhaust system according to an embodiment of the present disclosure includes, 0.02% or less of carbon (C), 0.02% or less of nitrogen (N), 2.0% or less of silicon (Si), 0.5% or less of manganese (Mn), 3.0 to 5.5% of chromium (Cr), 0.001 to 0.3% of titanium (Ti), 1.0 to 4.0% of aluminum (Al), and the balance of iron (Fe) and inevitable impurities, wherein the ferrite-based steel sheet has a surface scale layer and satisfies a maximum content of 15.0% or more for Al and a maximum content of 3.0% or less for Si in a range from a surface to the depth of 0.2 µm.</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyzEKwkAQRuE0FqLeYS6QQqKQlOv6r7sQd2VmFK1CkLUSDcT7YwoPYPWa780LdmAOinJnBHsSBVoSDyh5cwnxQLhatC2ikk3MSUKKxJAgaqIFucQT8eYsSnKb_uOymD3655hXvy4KclDryzy8uzwO_T2_8qfDqWrqdd1szab6g3wBmKUvrg</recordid><startdate>20220928</startdate><enddate>20220928</enddate><creator>HA, Hunjae</creator><creator>KANG, Hyunggu</creator><creator>LEE, Munsoo</creator><creator>KIM, Youngjun</creator><creator>JO, Gyujin</creator><scope>EVB</scope></search><sort><creationdate>20220928</creationdate><title>FERRITE-BASED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE FOR EXHAUST SYSTEM</title><author>HA, Hunjae ; KANG, Hyunggu ; LEE, Munsoo ; KIM, Youngjun ; JO, Gyujin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3981895A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2022</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>HA, Hunjae</creatorcontrib><creatorcontrib>KANG, Hyunggu</creatorcontrib><creatorcontrib>LEE, Munsoo</creatorcontrib><creatorcontrib>KIM, Youngjun</creatorcontrib><creatorcontrib>JO, Gyujin</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HA, Hunjae</au><au>KANG, Hyunggu</au><au>LEE, Munsoo</au><au>KIM, Youngjun</au><au>JO, Gyujin</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FERRITE-BASED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE FOR EXHAUST SYSTEM</title><date>2022-09-28</date><risdate>2022</risdate><abstract>Disclosed is a ferrite-based steel sheet that has excellent corrosion resistance for an exhaust system while containing a reduced amount of Cr which is an expensive element. The ferrite-based steel sheet having excellent corrosion resistance for an exhaust system according to an embodiment of the present disclosure includes, 0.02% or less of carbon (C), 0.02% or less of nitrogen (N), 2.0% or less of silicon (Si), 0.5% or less of manganese (Mn), 3.0 to 5.5% of chromium (Cr), 0.001 to 0.3% of titanium (Ti), 1.0 to 4.0% of aluminum (Al), and the balance of iron (Fe) and inevitable impurities, wherein the ferrite-based steel sheet has a surface scale layer and satisfies a maximum content of 15.0% or more for Al and a maximum content of 3.0% or less for Si in a range from a surface to the depth of 0.2 µm.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 | FERRITE-BASED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE FOR EXHAUST SYSTEM |
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