STEEL SHEET HAVING VERY HIGH MECHANICAL PROPERTIES OF STRENGTH AND DUCTILITY, MANUFACTURING METHOD AND USE OF SUCH SHEETS
The invention relates to the manufacture of a cold-rolled steel sheet having a strength of more than 900 MPa, an elastic limit of more than 700 MPa and distributed elongation of more than 12 %, the composition of which includes, the contents being expressed as weight percentages: 0.26 % ⤠C ⤠0....
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| creator | JEAN- CHRISTOPHE FRANÇOIS HELL SÉBASTIEN YVES PIERRE ALLAIN |
| description | The invention relates to the manufacture of a cold-rolled steel sheet having a strength of more than 900 MPa, an elastic limit of more than 700 MPa and distributed elongation of more than 12 %, the composition of which includes, the contents being expressed as weight percentages: 0.26 % ⤠C ⤠0.45 %, 1.0 % ⤠Mn ⤠3.0 %, 1.0 % ⤠Si ⤠3.0 %, Al ⤠0.10 %, 0 % ⤠Cr ⤠1.5 %, S ⤠0.005 %, P ⤠0.020 %, Nb ⤠0.1 %, Ti ⤠0.020 %, V ⤠0.015 %, N ⤠0.01%, the remainder of the composition being iron and inevitable impurities resulting from the production process. The microstructure, given in surface proportions, comprises 13 % to 25 % residual austenite and 13 % to 30 % MA islands, the remainder consisting of bainite and possibly ferrite.
La invención se refiere a la fabricación de una hoja de acero laminada en frío con resistencia superior o igual a 900 MPa, con un límite elástico superior a 700 MPa y con un alargamiento uniforme superior a 12% cuya composición comprende contenidos que se expresan en porcentaje de peso: 0.26% = C = 0.45%, 1.0% = Mn = 3.0%, 1.0% = Si = 3.0%, Al = 0.1%, 0% = Gr = 1.5%, S = 0.005%, P = 0.020%, Nb = 0.1%, Ti = 0.02%, y = 0.015%, N = 0.01%, el resto de la composición siendo constituido de hierro e impurezas inevitables que resultan del proceso. La microestructura es constituida, en fracciones de superficie, de 13 a 25% de austenita residual, de 13 a 30% de islotes de MA, el restante siendo constituido de bainita y eventualmente de ferrita. |
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La invención se refiere a la fabricación de una hoja de acero laminada en frío con resistencia superior o igual a 900 MPa, con un límite elástico superior a 700 MPa y con un alargamiento uniforme superior a 12% cuya composición comprende contenidos que se expresan en porcentaje de peso: 0.26% = C = 0.45%, 1.0% = Mn = 3.0%, 1.0% = Si = 3.0%, Al = 0.1%, 0% = Gr = 1.5%, S = 0.005%, P = 0.020%, Nb = 0.1%, Ti = 0.02%, y = 0.015%, N = 0.01%, el resto de la composición siendo constituido de hierro e impurezas inevitables que resultan del proceso. La microestructura es constituida, en fracciones de superficie, de 13 a 25% de austenita residual, de 13 a 30% de islotes de MA, el restante siendo constituido de bainita y eventualmente de ferrita.</description><language>eng ; spa</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>2016</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=20160411&DB=EPODOC&CC=MX&NR=2016001013A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160411&DB=EPODOC&CC=MX&NR=2016001013A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JEAN- CHRISTOPHE FRANÇOIS HELL</creatorcontrib><creatorcontrib>SÉBASTIEN YVES PIERRE ALLAIN</creatorcontrib><title>STEEL SHEET HAVING VERY HIGH MECHANICAL PROPERTIES OF STRENGTH AND DUCTILITY, MANUFACTURING METHOD AND USE OF SUCH SHEETS</title><description>The invention relates to the manufacture of a cold-rolled steel sheet having a strength of more than 900 MPa, an elastic limit of more than 700 MPa and distributed elongation of more than 12 %, the composition of which includes, the contents being expressed as weight percentages: 0.26 % ⤠C ⤠0.45 %, 1.0 % ⤠Mn ⤠3.0 %, 1.0 % ⤠Si ⤠3.0 %, Al ⤠0.10 %, 0 % ⤠Cr ⤠1.5 %, S ⤠0.005 %, P ⤠0.020 %, Nb ⤠0.1 %, Ti ⤠0.020 %, V ⤠0.015 %, N ⤠0.01%, the remainder of the composition being iron and inevitable impurities resulting from the production process. The microstructure, given in surface proportions, comprises 13 % to 25 % residual austenite and 13 % to 30 % MA islands, the remainder consisting of bainite and possibly ferrite.
La invención se refiere a la fabricación de una hoja de acero laminada en frío con resistencia superior o igual a 900 MPa, con un límite elástico superior a 700 MPa y con un alargamiento uniforme superior a 12% cuya composición comprende contenidos que se expresan en porcentaje de peso: 0.26% = C = 0.45%, 1.0% = Mn = 3.0%, 1.0% = Si = 3.0%, Al = 0.1%, 0% = Gr = 1.5%, S = 0.005%, P = 0.020%, Nb = 0.1%, Ti = 0.02%, y = 0.015%, N = 0.01%, el resto de la composición siendo constituido de hierro e impurezas inevitables que resultan del proceso. La microestructura es constituida, en fracciones de superficie, de 13 a 25% de austenita residual, de 13 a 30% de islotes de MA, el restante siendo constituido de bainita y eventualmente de ferrita.</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>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjbEKwjAURbs4iPoPD2eF1IJ7SF_7Ak1akpfSTqVInEQLdfHvxeoHOJ3lnHvXycszYgWeEBlIttqW0KLrgXRJYFCRtFrJChpXN-hYo4e6AM8ObckE0uaQB8W60twfwEgbCqk4uM-QQaY6X5zgcemCou-Z3yar63ib4-7HTbIvkBUd4_QY4jyNl3iPz8F0J5GehUhFmsnsL-kNLhk6eA</recordid><startdate>20160411</startdate><enddate>20160411</enddate><creator>JEAN- CHRISTOPHE FRANÇOIS HELL</creator><creator>SÉBASTIEN YVES PIERRE ALLAIN</creator><scope>EVB</scope></search><sort><creationdate>20160411</creationdate><title>STEEL SHEET HAVING VERY HIGH MECHANICAL PROPERTIES OF STRENGTH AND DUCTILITY, MANUFACTURING METHOD AND USE OF SUCH SHEETS</title><author>JEAN- CHRISTOPHE FRANÇOIS HELL ; SÉBASTIEN YVES PIERRE ALLAIN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_MX2016001013A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; spa</language><creationdate>2016</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>JEAN- CHRISTOPHE FRANÇOIS HELL</creatorcontrib><creatorcontrib>SÉBASTIEN YVES PIERRE ALLAIN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>JEAN- CHRISTOPHE FRANÇOIS HELL</au><au>SÉBASTIEN YVES PIERRE ALLAIN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STEEL SHEET HAVING VERY HIGH MECHANICAL PROPERTIES OF STRENGTH AND DUCTILITY, MANUFACTURING METHOD AND USE OF SUCH SHEETS</title><date>2016-04-11</date><risdate>2016</risdate><abstract>The invention relates to the manufacture of a cold-rolled steel sheet having a strength of more than 900 MPa, an elastic limit of more than 700 MPa and distributed elongation of more than 12 %, the composition of which includes, the contents being expressed as weight percentages: 0.26 % ⤠C ⤠0.45 %, 1.0 % ⤠Mn ⤠3.0 %, 1.0 % ⤠Si ⤠3.0 %, Al ⤠0.10 %, 0 % ⤠Cr ⤠1.5 %, S ⤠0.005 %, P ⤠0.020 %, Nb ⤠0.1 %, Ti ⤠0.020 %, V ⤠0.015 %, N ⤠0.01%, the remainder of the composition being iron and inevitable impurities resulting from the production process. The microstructure, given in surface proportions, comprises 13 % to 25 % residual austenite and 13 % to 30 % MA islands, the remainder consisting of bainite and possibly ferrite.
La invención se refiere a la fabricación de una hoja de acero laminada en frío con resistencia superior o igual a 900 MPa, con un límite elástico superior a 700 MPa y con un alargamiento uniforme superior a 12% cuya composición comprende contenidos que se expresan en porcentaje de peso: 0.26% = C = 0.45%, 1.0% = Mn = 3.0%, 1.0% = Si = 3.0%, Al = 0.1%, 0% = Gr = 1.5%, S = 0.005%, P = 0.020%, Nb = 0.1%, Ti = 0.02%, y = 0.015%, N = 0.01%, el resto de la composición siendo constituido de hierro e impurezas inevitables que resultan del proceso. La microestructura es constituida, en fracciones de superficie, de 13 a 25% de austenita residual, de 13 a 30% de islotes de MA, el restante siendo constituido de bainita y eventualmente de ferrita.</abstract><oa>free_for_read</oa></addata></record> |
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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 SHEET HAVING VERY HIGH MECHANICAL PROPERTIES OF STRENGTH AND DUCTILITY, MANUFACTURING METHOD AND USE OF SUCH SHEETS |
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