STEEL FOR SURFACE-HARDENING TREATMENT
PROBLEM TO BE SOLVED: To provide a steel for surface-hardening treatment which can sufficiently reduce heat treatment strain produced by quenching after surface treatment, and is suitable for obtaining a high-strength surface-hardened component having high dimensional precision. SOLUTION: The steel...
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| creator | USUI YUSUKE OFUJI YOSHIHIRO |
| description | PROBLEM TO BE SOLVED: To provide a steel for surface-hardening treatment which can sufficiently reduce heat treatment strain produced by quenching after surface treatment, and is suitable for obtaining a high-strength surface-hardened component having high dimensional precision. SOLUTION: The steel for surface-hardening treatment has a chemical composition comprising, by mass, 0.10 to 0.30% C, ≤0.35% Si, 0.15 to 1.5% Mn, ≤0.04% P, 0.001 to 0.07% S, 1.5 to 3.0% Cr, 0.02 to 0.05% Al, 0.0035 to 0.0100% N, 0.005 to 0.10% Ti and 0.0005 to 0.0050% B, and satisfying [4.1≤DI=0.311×C0.5×(1+0.64×Si)×(1+4.10×Mn)×(1+2.83×P)×(1-0.62×S)×(1+2.33×Cr)×(1+3.14×Mo)×ä1+1.5×(0.90-C)}≤20.0], and in which the standard deviation of DI in the cross-section is ≤0.25, and the balance Fe with impurities. COPYRIGHT: (C)2011,JPO&INPIT |
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SOLUTION: The steel for surface-hardening treatment has a chemical composition comprising, by mass, 0.10 to 0.30% C, ≤0.35% Si, 0.15 to 1.5% Mn, ≤0.04% P, 0.001 to 0.07% S, 1.5 to 3.0% Cr, 0.02 to 0.05% Al, 0.0035 to 0.0100% N, 0.005 to 0.10% Ti and 0.0005 to 0.0050% B, and satisfying [4.1≤DI=0.311×C0.5×(1+0.64×Si)×(1+4.10×Mn)×(1+2.83×P)×(1-0.62×S)×(1+2.33×Cr)×(1+3.14×Mo)×ä1+1.5×(0.90-C)}≤20.0], and in which the standard deviation of DI in the cross-section is ≤0.25, and the balance Fe with impurities. COPYRIGHT: (C)2011,JPO&INPIT</description><language>eng</language><subject>ALLOYS ; 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 ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2011</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=20110526&DB=EPODOC&CC=JP&NR=2011102425A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110526&DB=EPODOC&CC=JP&NR=2011102425A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>USUI YUSUKE</creatorcontrib><creatorcontrib>OFUJI YOSHIHIRO</creatorcontrib><title>STEEL FOR SURFACE-HARDENING TREATMENT</title><description>PROBLEM TO BE SOLVED: To provide a steel for surface-hardening treatment which can sufficiently reduce heat treatment strain produced by quenching after surface treatment, and is suitable for obtaining a high-strength surface-hardened component having high dimensional precision. SOLUTION: The steel for surface-hardening treatment has a chemical composition comprising, by mass, 0.10 to 0.30% C, ≤0.35% Si, 0.15 to 1.5% Mn, ≤0.04% P, 0.001 to 0.07% S, 1.5 to 3.0% Cr, 0.02 to 0.05% Al, 0.0035 to 0.0100% N, 0.005 to 0.10% Ti and 0.0005 to 0.0050% B, and satisfying [4.1≤DI=0.311×C0.5×(1+0.64×Si)×(1+4.10×Mn)×(1+2.83×P)×(1-0.62×S)×(1+2.33×Cr)×(1+3.14×Mo)×ä1+1.5×(0.90-C)}≤20.0], and in which the standard deviation of DI in the cross-section is ≤0.25, and the balance Fe with impurities. COPYRIGHT: (C)2011,JPO&INPIT</description><subject>ALLOYS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</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>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFANDnF19VFw8w9SCA4NcnN0dtX1cAxycfXz9HNXCAlydQzxdfUL4WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGhoYGRiZGpo7GRCkCAONqI6I</recordid><startdate>20110526</startdate><enddate>20110526</enddate><creator>USUI YUSUKE</creator><creator>OFUJI YOSHIHIRO</creator><scope>EVB</scope></search><sort><creationdate>20110526</creationdate><title>STEEL FOR SURFACE-HARDENING TREATMENT</title><author>USUI YUSUKE ; OFUJI YOSHIHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2011102425A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>ALLOYS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</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>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>USUI YUSUKE</creatorcontrib><creatorcontrib>OFUJI YOSHIHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>USUI YUSUKE</au><au>OFUJI YOSHIHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STEEL FOR SURFACE-HARDENING TREATMENT</title><date>2011-05-26</date><risdate>2011</risdate><abstract>PROBLEM TO BE SOLVED: To provide a steel for surface-hardening treatment which can sufficiently reduce heat treatment strain produced by quenching after surface treatment, and is suitable for obtaining a high-strength surface-hardened component having high dimensional precision. SOLUTION: The steel for surface-hardening treatment has a chemical composition comprising, by mass, 0.10 to 0.30% C, ≤0.35% Si, 0.15 to 1.5% Mn, ≤0.04% P, 0.001 to 0.07% S, 1.5 to 3.0% Cr, 0.02 to 0.05% Al, 0.0035 to 0.0100% N, 0.005 to 0.10% Ti and 0.0005 to 0.0050% B, and satisfying [4.1≤DI=0.311×C0.5×(1+0.64×Si)×(1+4.10×Mn)×(1+2.83×P)×(1-0.62×S)×(1+2.33×Cr)×(1+3.14×Mo)×ä1+1.5×(0.90-C)}≤20.0], and in which the standard deviation of DI in the cross-section is ≤0.25, and the balance Fe with impurities. COPYRIGHT: (C)2011,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | STEEL FOR SURFACE-HARDENING TREATMENT |
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