METHOD FOR MANUFACTURING COLD-ROLLED, WELDED STEEL SHEETS, AND SHEETS THUS PRODUCED
The invention relates to a method for manufacturing a cold-rolled steel sheet with a thickness ef of 0.5 mm to 3 mm, comprising the consecutive steps of: providing at least two hot-rolled sheets witha thickness e,, and then welding said at least two hot-rolled sheets end-to-end, so as to create a we...
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| creator | SILVY LELIGOIS CHRISTOPHE THEYSSIER MARIERISTINE KACZYNSKI CHRISTINE CELOTTO THIERRY POLO MESTRE VICENTE QUANG-TIEN NGO DECHASSEY EMMANUEL DUPUIS THOMAS CHICHARRO HERRANZ FRANCISCO |
| description | The invention relates to a method for manufacturing a cold-rolled steel sheet with a thickness ef of 0.5 mm to 3 mm, comprising the consecutive steps of: providing at least two hot-rolled sheets witha thickness e,, and then welding said at least two hot-rolled sheets end-to-end, so as to create a welded joint (S1) in a direction perpendicular to the hot-rolling direction; then stripping by continuously passing said at least two hot-rolled sheets through a bath; then cold-rolling, in a step (L1), the assembly of the at least two hot-rolled and welded sheets, to an intermediate thickness eint,the cold-rolling direction (DL1) matching said hot-rolling direction, said cold-rolling being carried out with a reduction rate [Epsilon]1=Ln(e/e) so that: 0.35 |
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THEYSSIER MARIERISTINE ; KACZYNSKI CHRISTINE ; CELOTTO THIERRY ; POLO MESTRE VICENTE ; QUANG-TIEN NGO ; DECHASSEY EMMANUEL ; DUPUIS THOMAS ; CHICHARRO HERRANZ FRANCISCO</creatorcontrib><description>The invention relates to a method for manufacturing a cold-rolled steel sheet with a thickness ef of 0.5 mm to 3 mm, comprising the consecutive steps of: providing at least two hot-rolled sheets witha thickness e,, and then welding said at least two hot-rolled sheets end-to-end, so as to create a welded joint (S1) in a direction perpendicular to the hot-rolling direction; then stripping by continuously passing said at least two hot-rolled sheets through a bath; then cold-rolling, in a step (L1), the assembly of the at least two hot-rolled and welded sheets, to an intermediate thickness eint,the cold-rolling direction (DL1) matching said hot-rolling direction, said cold-rolling being carried out with a reduction rate [Epsilon]1=Ln(e/e) so that: 0.35 <= Ln(ei/eint)/Ln(ei/ef) <= 0.65, and then removing said welded joint (S1) so as to obtain at least two sheets cold-rolled in an intermediate manner, and then welding end-to-end the two sheets cold-rolled in an intermediate manner,so as to create a welded joint (S2</description><language>chi ; eng</language><subject>CHEMISTRY ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PERFORMING OPERATIONS ; PUNCHING METAL ; ROLLING OF METAL ; TRANSPORTING</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=20181221&DB=EPODOC&CC=CN&NR=109072327A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181221&DB=EPODOC&CC=CN&NR=109072327A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SILVY LELIGOIS CHRISTOPHE</creatorcontrib><creatorcontrib>THEYSSIER MARIERISTINE</creatorcontrib><creatorcontrib>KACZYNSKI CHRISTINE</creatorcontrib><creatorcontrib>CELOTTO THIERRY</creatorcontrib><creatorcontrib>POLO MESTRE VICENTE</creatorcontrib><creatorcontrib>QUANG-TIEN NGO</creatorcontrib><creatorcontrib>DECHASSEY EMMANUEL</creatorcontrib><creatorcontrib>DUPUIS THOMAS</creatorcontrib><creatorcontrib>CHICHARRO HERRANZ FRANCISCO</creatorcontrib><title>METHOD FOR MANUFACTURING COLD-ROLLED, WELDED STEEL SHEETS, AND SHEETS THUS PRODUCED</title><description>The invention relates to a method for manufacturing a cold-rolled steel sheet with a thickness ef of 0.5 mm to 3 mm, comprising the consecutive steps of: providing at least two hot-rolled sheets witha thickness e,, and then welding said at least two hot-rolled sheets end-to-end, so as to create a welded joint (S1) in a direction perpendicular to the hot-rolling direction; 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then stripping by continuously passing said at least two hot-rolled sheets through a bath; then cold-rolling, in a step (L1), the assembly of the at least two hot-rolled and welded sheets, to an intermediate thickness eint,the cold-rolling direction (DL1) matching said hot-rolling direction, said cold-rolling being carried out with a reduction rate [Epsilon]1=Ln(e/e) so that: 0.35 <= Ln(ei/eint)/Ln(ei/ef) <= 0.65, and then removing said welded joint (S1) so as to obtain at least two sheets cold-rolled in an intermediate manner, and then welding end-to-end the two sheets cold-rolled in an intermediate manner,so as to create a welded joint (S2</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING |
| title | METHOD FOR MANUFACTURING COLD-ROLLED, WELDED STEEL SHEETS, AND SHEETS THUS PRODUCED |
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