FERRITIC STAINLESS STEEL WITH IMPROVED HIGH TEMPERATURE CREEP RESISTANCE AND MANUFACTURING METHOD THEREFOR
Disclosed is a ferritic stainless steel with improved high temperature creep resistance. The disclosed ferritic stainless steel comprises by weight %: 0.005 to 0.03% of C, 0.005 to 0.03% of N, 0.05 to 0.9% of Si, 0.05 to 0.9% of Mn, 14.0 to 19.0% of Cr, 0.1 to 0.6% of Ti, 0.1 to 0.6% of Nb, 0.1 to 0...
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| creator | Ryu, Han Jin Jung, Il Chan Kim, Hoi Hun |
| description | Disclosed is a ferritic stainless steel with improved high temperature creep resistance. The disclosed ferritic stainless steel comprises by weight %: 0.005 to 0.03% of C, 0.005 to 0.03% of N, 0.05 to 0.9% of Si, 0.05 to 0.9% of Mn, 14.0 to 19.0% of Cr, 0.1 to 0.6% of Ti, 0.1 to 0.6% of Nb, 0.1 to 0.6% of Cu, 0.01 to 0.04% of P, 0.01% or less (excluding 0) of S, and the balance of iron (Fe) and inevitable impurities, and is characterized by satisfying Expressions (1) and (2) below.0.5≤Nb/Cu≤3 Expression (1)20≤[2Nb+Ti]/[C+N] Expression (2)wherein Nb, Cu, Ti, C, and N denote contents (wt %) of each element. |
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The disclosed ferritic stainless steel comprises by weight %: 0.005 to 0.03% of C, 0.005 to 0.03% of N, 0.05 to 0.9% of Si, 0.05 to 0.9% of Mn, 14.0 to 19.0% of Cr, 0.1 to 0.6% of Ti, 0.1 to 0.6% of Nb, 0.1 to 0.6% of Cu, 0.01 to 0.04% of P, 0.01% or less (excluding 0) of S, and the balance of iron (Fe) and inevitable impurities, and is characterized by satisfying Expressions (1) and (2) below.0.5≤Nb/Cu≤3 Expression (1)20≤[2Nb+Ti]/[C+N] Expression (2)wherein Nb, Cu, Ti, C, and N denote contents (wt %) of each element.</description><language>eng</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=20221110&DB=EPODOC&CC=US&NR=2022356542A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221110&DB=EPODOC&CC=US&NR=2022356542A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Ryu, Han Jin</creatorcontrib><creatorcontrib>Jung, Il Chan</creatorcontrib><creatorcontrib>Kim, Hoi Hun</creatorcontrib><title>FERRITIC STAINLESS STEEL WITH IMPROVED HIGH TEMPERATURE CREEP RESISTANCE AND MANUFACTURING METHOD THEREFOR</title><description>Disclosed is a ferritic stainless steel with improved high temperature creep resistance. The disclosed ferritic stainless steel comprises by weight %: 0.005 to 0.03% of C, 0.005 to 0.03% of N, 0.05 to 0.9% of Si, 0.05 to 0.9% of Mn, 14.0 to 19.0% of Cr, 0.1 to 0.6% of Ti, 0.1 to 0.6% of Nb, 0.1 to 0.6% of Cu, 0.01 to 0.04% of P, 0.01% or less (excluding 0) of S, and the balance of iron (Fe) and inevitable impurities, and is characterized by satisfying Expressions (1) and (2) below.0.5≤Nb/Cu≤3 Expression (1)20≤[2Nb+Ti]/[C+N] Expression (2)wherein Nb, Cu, Ti, C, and N denote contents (wt %) of each element.</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>eNqNi7EKwjAURbs4iPoPD5wFTdU9pDdNoE3Ly6uOpUgcRLRQ_x87-AFO5wznLLOHBbMXbyiK9qFCjLMBFV29OPJ1y80FBTlfOhLULVhLxyDDQEuM6OcxGJAOBdU6dFabOfChpBrimoLEgWEbXmeL-_Cc0ubHVba1EON2aXz3aRqHW3qlT99FtVcqP51PR6UP-X_VF6anN4U</recordid><startdate>20221110</startdate><enddate>20221110</enddate><creator>Ryu, Han Jin</creator><creator>Jung, Il Chan</creator><creator>Kim, Hoi Hun</creator><scope>EVB</scope></search><sort><creationdate>20221110</creationdate><title>FERRITIC STAINLESS STEEL WITH IMPROVED HIGH TEMPERATURE CREEP RESISTANCE AND MANUFACTURING METHOD THEREFOR</title><author>Ryu, Han Jin ; Jung, Il Chan ; Kim, Hoi Hun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2022356542A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</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>Ryu, Han Jin</creatorcontrib><creatorcontrib>Jung, Il Chan</creatorcontrib><creatorcontrib>Kim, Hoi Hun</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ryu, Han Jin</au><au>Jung, Il Chan</au><au>Kim, Hoi Hun</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FERRITIC STAINLESS STEEL WITH IMPROVED HIGH TEMPERATURE CREEP RESISTANCE AND MANUFACTURING METHOD THEREFOR</title><date>2022-11-10</date><risdate>2022</risdate><abstract>Disclosed is a ferritic stainless steel with improved high temperature creep resistance. The disclosed ferritic stainless steel comprises by weight %: 0.005 to 0.03% of C, 0.005 to 0.03% of N, 0.05 to 0.9% of Si, 0.05 to 0.9% of Mn, 14.0 to 19.0% of Cr, 0.1 to 0.6% of Ti, 0.1 to 0.6% of Nb, 0.1 to 0.6% of Cu, 0.01 to 0.04% of P, 0.01% or less (excluding 0) of S, and the balance of iron (Fe) and inevitable impurities, and is characterized by satisfying Expressions (1) and (2) below.0.5≤Nb/Cu≤3 Expression (1)20≤[2Nb+Ti]/[C+N] Expression (2)wherein Nb, Cu, Ti, C, and N denote contents (wt %) of each element.</abstract><oa>free_for_read</oa></addata></record> |
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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 | FERRITIC STAINLESS STEEL WITH IMPROVED HIGH TEMPERATURE CREEP RESISTANCE AND MANUFACTURING METHOD THEREFOR |
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