HIGH-STRENGTH AIR-HARDENING MULTI-PHASE STEEL COMPRISING OUTSTANDING PROCESSING PROPERTIES AND METHOD FOR THE PRODUCTION OF A STEEL STRIP FROM SAID STEEL
A high-strength air-hardenable multiphase steel having minimal tensile strengths in a non air hardened state of 750 MPa and excellent processing properties includes the following elements in % by weight: C≧0.075 to ≦0.115; Si≧0.600 to ≦0.750; Mn≧1.000 to ≦1.950; Cr≧0.200 to ≦0.600; Al≧0.010 to ≦0.06...
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| creator | SCHÖTTLER JOACHIM KLUGE SASCHA BECHTOLD MARION SCHULZ THOMAS |
| description | A high-strength air-hardenable multiphase steel having minimal tensile strengths in a non air hardened state of 750 MPa and excellent processing properties includes the following elements in % by weight: C≧0.075 to ≦0.115; Si≧0.600 to ≦0.750; Mn≧1.000 to ≦1.950; Cr≧0.200 to ≦0.600; Al≧0.010 to ≦0.060; N≧0.0020 to ≦0.0120; S≦0.0030; Mo≧0.0200; Nb≧0.005 to ≦0.040; Ti≧0.005 to ≦0.030; B≧0.0005 to ≦0.0030; Ca≧0.0005 to ≦0.0060; Cu≦0.050; Ni≦0.050; remainder iron, including usual steel accompanying smelting related impurities, wherein for a widest possible process window during continuous annealing of hot strips or cold strips made from the steel a sum content of M+Si+Cr+Mo in the steel strips is a function of a thickness of the steel strips according to the following relationship: for strip thicknesses of up to 1.00 mm the sum content of M+Si+Cr+Mo is ≧2.450 and ≦2.800%, for strip thicknesses of over 1.00 to 2.00 mm the sum of Mn+Si+Cr+Mo is ≧2.600 and ≦3.150%, and for strip thicknesses of over 2.00 mm the sum of Mn+Si+Cr+Mo is ≧3.000 and ≦3.450%. |
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KLUGE SASCHA ; BECHTOLD MARION ; SCHULZ THOMAS</creatorcontrib><description>A high-strength air-hardenable multiphase steel having minimal tensile strengths in a non air hardened state of 750 MPa and excellent processing properties includes the following elements in % by weight: C≧0.075 to ≦0.115; Si≧0.600 to ≦0.750; Mn≧1.000 to ≦1.950; Cr≧0.200 to ≦0.600; Al≧0.010 to ≦0.060; N≧0.0020 to ≦0.0120; S≦0.0030; Mo≧0.0200; Nb≧0.005 to ≦0.040; Ti≧0.005 to ≦0.030; B≧0.0005 to ≦0.0030; Ca≧0.0005 to ≦0.0060; Cu≦0.050; Ni≦0.050; remainder iron, including usual steel accompanying smelting related impurities, wherein for a widest possible process window during continuous annealing of hot strips or cold strips made from the steel a sum content of M+Si+Cr+Mo in the steel strips is a function of a thickness of the steel strips according to the following relationship: for strip thicknesses of up to 1.00 mm the sum content of M+Si+Cr+Mo is ≧2.450 and ≦2.800%, for strip thicknesses of over 1.00 to 2.00 mm the sum of Mn+Si+Cr+Mo is ≧2.600 and ≦3.150%, and for strip thicknesses of over 2.00 mm the sum of Mn+Si+Cr+Mo is ≧3.000 and ≦3.450%.</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>2018</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=20180215&DB=EPODOC&CC=US&NR=2018044759A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180215&DB=EPODOC&CC=US&NR=2018044759A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHÖTTLER JOACHIM</creatorcontrib><creatorcontrib>KLUGE SASCHA</creatorcontrib><creatorcontrib>BECHTOLD MARION</creatorcontrib><creatorcontrib>SCHULZ THOMAS</creatorcontrib><title>HIGH-STRENGTH AIR-HARDENING MULTI-PHASE STEEL COMPRISING OUTSTANDING PROCESSING PROPERTIES AND METHOD FOR THE PRODUCTION OF A STEEL STRIP FROM SAID STEEL</title><description>A high-strength air-hardenable multiphase steel having minimal tensile strengths in a non air hardened state of 750 MPa and excellent processing properties includes the following elements in % by weight: C≧0.075 to ≦0.115; Si≧0.600 to ≦0.750; Mn≧1.000 to ≦1.950; Cr≧0.200 to ≦0.600; Al≧0.010 to ≦0.060; N≧0.0020 to ≦0.0120; S≦0.0030; Mo≧0.0200; Nb≧0.005 to ≦0.040; Ti≧0.005 to ≦0.030; B≧0.0005 to ≦0.0030; Ca≧0.0005 to ≦0.0060; Cu≦0.050; Ni≦0.050; remainder iron, including usual steel accompanying smelting related impurities, wherein for a widest possible process window during continuous annealing of hot strips or cold strips made from the steel a sum content of M+Si+Cr+Mo in the steel strips is a function of a thickness of the steel strips according to the following relationship: for strip thicknesses of up to 1.00 mm the sum content of M+Si+Cr+Mo is ≧2.450 and ≦2.800%, for strip thicknesses of over 1.00 to 2.00 mm the sum of Mn+Si+Cr+Mo is ≧2.600 and ≦3.150%, and for strip thicknesses of over 2.00 mm the sum of Mn+Si+Cr+Mo is ≧3.000 and ≦3.450%.</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>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjc0KwjAQhHvxIOo7LHgu-FNRj6HZNgttErKbcxGJJ9FCfRnfVot9AE8zzDfMzLO3odrkLAFtLQYUhdyooNGSraGNjVDujWIEFsQGStf6QDxCF4VFWT16H1yJzJP1GISQ4QuhRTFOQ-UCiMGR6lgKOQuuAjWtfu_JQxVcC6xI_9JlNrtd7kNaTbrI1hVKafLUP7s09JdreqRXF3m32Z42RXE8nNV2_1_rA_fORE4</recordid><startdate>20180215</startdate><enddate>20180215</enddate><creator>SCHÖTTLER JOACHIM</creator><creator>KLUGE SASCHA</creator><creator>BECHTOLD MARION</creator><creator>SCHULZ THOMAS</creator><scope>EVB</scope></search><sort><creationdate>20180215</creationdate><title>HIGH-STRENGTH AIR-HARDENING MULTI-PHASE STEEL COMPRISING OUTSTANDING PROCESSING PROPERTIES AND METHOD FOR THE PRODUCTION OF A STEEL STRIP FROM SAID STEEL</title><author>SCHÖTTLER JOACHIM ; KLUGE SASCHA ; BECHTOLD MARION ; SCHULZ THOMAS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2018044759A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</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>SCHÖTTLER JOACHIM</creatorcontrib><creatorcontrib>KLUGE SASCHA</creatorcontrib><creatorcontrib>BECHTOLD MARION</creatorcontrib><creatorcontrib>SCHULZ THOMAS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHÖTTLER JOACHIM</au><au>KLUGE SASCHA</au><au>BECHTOLD MARION</au><au>SCHULZ THOMAS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HIGH-STRENGTH AIR-HARDENING MULTI-PHASE STEEL COMPRISING OUTSTANDING PROCESSING PROPERTIES AND METHOD FOR THE PRODUCTION OF A STEEL STRIP FROM SAID STEEL</title><date>2018-02-15</date><risdate>2018</risdate><abstract>A high-strength air-hardenable multiphase steel having minimal tensile strengths in a non air hardened state of 750 MPa and excellent processing properties includes the following elements in % by weight: C≧0.075 to ≦0.115; Si≧0.600 to ≦0.750; Mn≧1.000 to ≦1.950; Cr≧0.200 to ≦0.600; Al≧0.010 to ≦0.060; N≧0.0020 to ≦0.0120; S≦0.0030; Mo≧0.0200; Nb≧0.005 to ≦0.040; Ti≧0.005 to ≦0.030; B≧0.0005 to ≦0.0030; Ca≧0.0005 to ≦0.0060; Cu≦0.050; Ni≦0.050; remainder iron, including usual steel accompanying smelting related impurities, wherein for a widest possible process window during continuous annealing of hot strips or cold strips made from the steel a sum content of M+Si+Cr+Mo in the steel strips is a function of a thickness of the steel strips according to the following relationship: for strip thicknesses of up to 1.00 mm the sum content of M+Si+Cr+Mo is ≧2.450 and ≦2.800%, for strip thicknesses of over 1.00 to 2.00 mm the sum of Mn+Si+Cr+Mo is ≧2.600 and ≦3.150%, and for strip thicknesses of over 2.00 mm the sum of Mn+Si+Cr+Mo is ≧3.000 and ≦3.450%.</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 AIR-HARDENING MULTI-PHASE STEEL COMPRISING OUTSTANDING PROCESSING PROPERTIES AND METHOD FOR THE PRODUCTION OF A STEEL STRIP FROM SAID STEEL |
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