HEAT-RESISTANT STEEL PRODUCT AND METHOD FOR PRODUCTION THEREOF
The present invention provides first resistant steel superior in fire resistance having less variation in material quality and exhibiting a yield strength of 2/3 or more of that at ordinary temperature even at 600°C and a method of production of the same, that is, fire resistant steel characterized...
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| creator | YAMAMOTO, KOHICHI SUGIYAMA, HIROKAZU KITA, HIROSHI YOSHIDA, SUGURU OKUMURA, TERUHISA |
| description | The present invention provides first resistant steel superior in fire resistance having less variation in material quality and exhibiting a yield strength of 2/3 or more of that at ordinary temperature even at 600°C and a method of production of the same, that is, fire resistant steel characterized by containing, by mass%, C: 0.01 to 0.03%, Mn: 0.2 to 1.7%, Si:0.5% or less, Cu: 0.7 to 2%, Mo: 0.8% or less, Nb: 0.01 to 0.3%, Ti: 0.005 to 0.03%, N: 0.006% or less, B: 0.0003 to 0.003%, V: 0.2% or less, Cr: 1% or less, Al: 0.1% or less, P: 0.03% or less, and S: 0.02% or less, containing Ni by mass ratio of Ni/Cu of 0.6 to 0.9, and comprising a balance of Fe and unavoidable impurities, and having a yield strength at 600°C of 60% of the yield strength at 21°C. |
| format | Patent |
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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>2014</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=20140115&DB=EPODOC&CC=EP&NR=1878810B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140115&DB=EPODOC&CC=EP&NR=1878810B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAMOTO, KOHICHI</creatorcontrib><creatorcontrib>SUGIYAMA, HIROKAZU</creatorcontrib><creatorcontrib>KITA, HIROSHI</creatorcontrib><creatorcontrib>YOSHIDA, SUGURU</creatorcontrib><creatorcontrib>OKUMURA, TERUHISA</creatorcontrib><title>HEAT-RESISTANT STEEL PRODUCT AND METHOD FOR PRODUCTION THEREOF</title><description>The present invention provides first resistant steel superior in fire resistance having less variation in material quality and exhibiting a yield strength of 2/3 or more of that at ordinary temperature even at 600°C and a method of production of the same, that is, fire resistant steel characterized by containing, by mass%, C: 0.01 to 0.03%, Mn: 0.2 to 1.7%, Si:0.5% or less, Cu: 0.7 to 2%, Mo: 0.8% or less, Nb: 0.01 to 0.3%, Ti: 0.005 to 0.03%, N: 0.006% or less, B: 0.0003 to 0.003%, V: 0.2% or less, Cr: 1% or less, Al: 0.1% or less, P: 0.03% or less, and S: 0.02% or less, containing Ni by mass ratio of Ni/Cu of 0.6 to 0.9, and comprising a balance of Fe and unavoidable impurities, and having a yield strength at 600°C of 60% of the yield strength at 21°C.</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>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDzcHUM0Q1yDfYMDnH0C1EIDnF19VEICPJ3CXUOUXD0c1HwdQ3x8HdRcPMPggl7-vsphHi4Brn6u_EwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXAEMLcwsLQwMnQ2MilAAAGhop6g</recordid><startdate>20140115</startdate><enddate>20140115</enddate><creator>YAMAMOTO, KOHICHI</creator><creator>SUGIYAMA, HIROKAZU</creator><creator>KITA, HIROSHI</creator><creator>YOSHIDA, SUGURU</creator><creator>OKUMURA, TERUHISA</creator><scope>EVB</scope></search><sort><creationdate>20140115</creationdate><title>HEAT-RESISTANT STEEL PRODUCT AND METHOD FOR PRODUCTION THEREOF</title><author>YAMAMOTO, KOHICHI ; 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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 | HEAT-RESISTANT STEEL PRODUCT AND METHOD FOR PRODUCTION THEREOF |
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