HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME
A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.025%-0.070% C, 0%-1.10% Si, 0.50%-2.0% Mn,
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| creator | NYMANN, Erik KESTI, Vili HEMMILÄ, Mikko PYYKKÖNEN, Juha SUIKKANEN, Pasi NILSSON, Robin LIIMATAINEN, Tommi LIND, Martin |
| description | A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.025%-0.070% C, 0%-1.10% Si, 0.50%-2.0% Mn, |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_WO2021254722A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>WO2021254722A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_WO2021254722A13</originalsourceid><addsrcrecordid>eNrjZHDw8HT3UAgOCXL1cw8BMVxdfRQCgvxdQp1DFBz9XBR8XUM8_F0U_N0UfB39Qt0cnUNCgzz93BVCPFwVgh19XXkYWNMSc4pTeaE0N4Oym2uIs4duakF-fGpxQWJyal5qSXy4v5GBkaGRqYm5kZGjoTFxqgBDMCte</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME</title><source>esp@cenet</source><creator>NYMANN, Erik ; KESTI, Vili ; HEMMILÄ, Mikko ; PYYKKÖNEN, Juha ; SUIKKANEN, Pasi ; NILSSON, Robin ; LIIMATAINEN, Tommi ; LIND, Martin</creator><creatorcontrib>NYMANN, Erik ; KESTI, Vili ; HEMMILÄ, Mikko ; PYYKKÖNEN, Juha ; SUIKKANEN, Pasi ; NILSSON, Robin ; LIIMATAINEN, Tommi ; LIND, Martin</creatorcontrib><description><![CDATA[A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.025%-0.070% C, 0%-1.10% Si, 0.50%-2.0% Mn, <0.020% P, <0.050% S,<0.010% N, 0%-0.60% Cr, 0%-0.20% Ni, 0%-0.25% Cu, 0%- 0.20% Mo, 0%-0.15% Al, 0%-0.050% Nb, 0.020%-0.20- % V, 0.020%-0.15% Ti, 0%- 0.0010% B, remainder Fe and inevitable impurities, wherein the strip steel product has a microstructure comprising of, in terms of volume percentages (vol. %), ferrite ≥90%, preferably ≥95%, more preferably ≥98%, wherein the ferrite structure comprises 10%- 50% quasi-polygonal ferrite and a reminder of ferrite structure is polygonal ferrite and/or bainite: and wherein the steel strip product has an average ferrite grain size of <10µm, an average hole expansion ratio of ≥50%, a yield strength (Rp0.2%) longitudinal to rolling direction of ≥660 MPa and a tensile strength of ≥760 MPa.
L'invention concerne un produit en acier en bande laminé à chaud ayant une composition chimique constituée, en termes de pourcentages en poids (% en poids) : de 0,025 % à 0,070 % C, de 0 % à 1,10 % de Si, de 0,50 % à 2,0 % de Mn, < 0,020 % de P, < 0,050 % de S, < 0,010 % de N, de 0 % à 0,60 % de Cr, de 0 % à 0,20 % de Ni, de 0 % à 0,25 % de Cu, de 0 % à 0,20 % de Mo, de 0 % à 0,15 % d'Al, de 0 % à 0,050 % de Nb, de 0,020 % à 0,20 % de V, de 0,020 % à 0,15 % de Ti, de 0 % à 0,0010 % de B, le reste étant du Fe et des impuretés inévitables, le produit en acier en bande ayant une microstructure comprenant, en termes de pourcentages en volume (% en volume), ferrite ≥ 90 %, de préférence ≥ 95 %, plus idéalement ≥ 98 %, la structure de ferrite comprenant de 10 % à 50 % de ferrite quasi-polygonale et un reste de structure de ferrite étant de la ferrite polygonale et/ou de la bainite : et le produit en acier en bande ayant une taille moyenne de grain de ferrite < 10 µm, un rapport d'expansion de trou moyen ≥ 50 %, une limite d'élasticité (Rp0,2 %) longitudinale par rapport à la direction de laminage ≥ 660 MPa et une résistance à la traction ≥ 760 MPa.]]></description><language>eng ; fre</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>2021</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=20211223&DB=EPODOC&CC=WO&NR=2021254722A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211223&DB=EPODOC&CC=WO&NR=2021254722A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NYMANN, Erik</creatorcontrib><creatorcontrib>KESTI, Vili</creatorcontrib><creatorcontrib>HEMMILÄ, Mikko</creatorcontrib><creatorcontrib>PYYKKÖNEN, Juha</creatorcontrib><creatorcontrib>SUIKKANEN, Pasi</creatorcontrib><creatorcontrib>NILSSON, Robin</creatorcontrib><creatorcontrib>LIIMATAINEN, Tommi</creatorcontrib><creatorcontrib>LIND, Martin</creatorcontrib><title>HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME</title><description><![CDATA[A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.025%-0.070% C, 0%-1.10% Si, 0.50%-2.0% Mn, <0.020% P, <0.050% S,<0.010% N, 0%-0.60% Cr, 0%-0.20% Ni, 0%-0.25% Cu, 0%- 0.20% Mo, 0%-0.15% Al, 0%-0.050% Nb, 0.020%-0.20- % V, 0.020%-0.15% Ti, 0%- 0.0010% B, remainder Fe and inevitable impurities, wherein the strip steel product has a microstructure comprising of, in terms of volume percentages (vol. %), ferrite ≥90%, preferably ≥95%, more preferably ≥98%, wherein the ferrite structure comprises 10%- 50% quasi-polygonal ferrite and a reminder of ferrite structure is polygonal ferrite and/or bainite: and wherein the steel strip product has an average ferrite grain size of <10µm, an average hole expansion ratio of ≥50%, a yield strength (Rp0.2%) longitudinal to rolling direction of ≥660 MPa and a tensile strength of ≥760 MPa.
L'invention concerne un produit en acier en bande laminé à chaud ayant une composition chimique constituée, en termes de pourcentages en poids (% en poids) : de 0,025 % à 0,070 % C, de 0 % à 1,10 % de Si, de 0,50 % à 2,0 % de Mn, < 0,020 % de P, < 0,050 % de S, < 0,010 % de N, de 0 % à 0,60 % de Cr, de 0 % à 0,20 % de Ni, de 0 % à 0,25 % de Cu, de 0 % à 0,20 % de Mo, de 0 % à 0,15 % d'Al, de 0 % à 0,050 % de Nb, de 0,020 % à 0,20 % de V, de 0,020 % à 0,15 % de Ti, de 0 % à 0,0010 % de B, le reste étant du Fe et des impuretés inévitables, le produit en acier en bande ayant une microstructure comprenant, en termes de pourcentages en volume (% en volume), ferrite ≥ 90 %, de préférence ≥ 95 %, plus idéalement ≥ 98 %, la structure de ferrite comprenant de 10 % à 50 % de ferrite quasi-polygonale et un reste de structure de ferrite étant de la ferrite polygonale et/ou de la bainite : et le produit en acier en bande ayant une taille moyenne de grain de ferrite < 10 µm, un rapport d'expansion de trou moyen ≥ 50 %, une limite d'élasticité (Rp0,2 %) longitudinale par rapport à la direction de laminage ≥ 660 MPa et une résistance à la traction ≥ 760 MPa.]]></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>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDw8HT3UAgOCXL1cw8BMVxdfRQCgvxdQp1DFBz9XBR8XUM8_F0U_N0UfB39Qt0cnUNCgzz93BVCPFwVgh19XXkYWNMSc4pTeaE0N4Oym2uIs4duakF-fGpxQWJyal5qSXy4v5GBkaGRqYm5kZGjoTFxqgBDMCte</recordid><startdate>20211223</startdate><enddate>20211223</enddate><creator>NYMANN, Erik</creator><creator>KESTI, Vili</creator><creator>HEMMILÄ, Mikko</creator><creator>PYYKKÖNEN, Juha</creator><creator>SUIKKANEN, Pasi</creator><creator>NILSSON, Robin</creator><creator>LIIMATAINEN, Tommi</creator><creator>LIND, Martin</creator><scope>EVB</scope></search><sort><creationdate>20211223</creationdate><title>HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME</title><author>NYMANN, Erik ; KESTI, Vili ; HEMMILÄ, Mikko ; PYYKKÖNEN, Juha ; SUIKKANEN, Pasi ; NILSSON, Robin ; LIIMATAINEN, Tommi ; LIND, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2021254722A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2021</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>NYMANN, Erik</creatorcontrib><creatorcontrib>KESTI, Vili</creatorcontrib><creatorcontrib>HEMMILÄ, Mikko</creatorcontrib><creatorcontrib>PYYKKÖNEN, Juha</creatorcontrib><creatorcontrib>SUIKKANEN, Pasi</creatorcontrib><creatorcontrib>NILSSON, Robin</creatorcontrib><creatorcontrib>LIIMATAINEN, Tommi</creatorcontrib><creatorcontrib>LIND, Martin</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NYMANN, Erik</au><au>KESTI, Vili</au><au>HEMMILÄ, Mikko</au><au>PYYKKÖNEN, Juha</au><au>SUIKKANEN, Pasi</au><au>NILSSON, Robin</au><au>LIIMATAINEN, Tommi</au><au>LIND, Martin</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME</title><date>2021-12-23</date><risdate>2021</risdate><abstract><![CDATA[A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.025%-0.070% C, 0%-1.10% Si, 0.50%-2.0% Mn, <0.020% P, <0.050% S,<0.010% N, 0%-0.60% Cr, 0%-0.20% Ni, 0%-0.25% Cu, 0%- 0.20% Mo, 0%-0.15% Al, 0%-0.050% Nb, 0.020%-0.20- % V, 0.020%-0.15% Ti, 0%- 0.0010% B, remainder Fe and inevitable impurities, wherein the strip steel product has a microstructure comprising of, in terms of volume percentages (vol. %), ferrite ≥90%, preferably ≥95%, more preferably ≥98%, wherein the ferrite structure comprises 10%- 50% quasi-polygonal ferrite and a reminder of ferrite structure is polygonal ferrite and/or bainite: and wherein the steel strip product has an average ferrite grain size of <10µm, an average hole expansion ratio of ≥50%, a yield strength (Rp0.2%) longitudinal to rolling direction of ≥660 MPa and a tensile strength of ≥760 MPa.
L'invention concerne un produit en acier en bande laminé à chaud ayant une composition chimique constituée, en termes de pourcentages en poids (% en poids) : de 0,025 % à 0,070 % C, de 0 % à 1,10 % de Si, de 0,50 % à 2,0 % de Mn, < 0,020 % de P, < 0,050 % de S, < 0,010 % de N, de 0 % à 0,60 % de Cr, de 0 % à 0,20 % de Ni, de 0 % à 0,25 % de Cu, de 0 % à 0,20 % de Mo, de 0 % à 0,15 % d'Al, de 0 % à 0,050 % de Nb, de 0,020 % à 0,20 % de V, de 0,020 % à 0,15 % de Ti, de 0 % à 0,0010 % de B, le reste étant du Fe et des impuretés inévitables, le produit en acier en bande ayant une microstructure comprenant, en termes de pourcentages en volume (% en volume), ferrite ≥ 90 %, de préférence ≥ 95 %, plus idéalement ≥ 98 %, la structure de ferrite comprenant de 10 % à 50 % de ferrite quasi-polygonale et un reste de structure de ferrite étant de la ferrite polygonale et/ou de la bainite : et le produit en acier en bande ayant une taille moyenne de grain de ferrite < 10 µm, un rapport d'expansion de trou moyen ≥ 50 %, une limite d'élasticité (Rp0,2 %) longitudinale par rapport à la direction de laminage ≥ 660 MPa et une résistance à la traction ≥ 760 MPa.]]></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 | HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME |
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