WO2008052921A1 - Procédé de fabrication de produits plats en acier à partir d'un acier multiphase allié à du silicium - Google Patents

Procédé de fabrication de produits plats en acier à partir d'un acier multiphase allié à du silicium Download PDF

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Publication number
WO2008052921A1
WO2008052921A1 PCT/EP2007/061392 EP2007061392W WO2008052921A1 WO 2008052921 A1 WO2008052921 A1 WO 2008052921A1 EP 2007061392 W EP2007061392 W EP 2007061392W WO 2008052921 A1 WO2008052921 A1 WO 2008052921A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip
hot
cold
rolled
thickness
Prior art date
Application number
PCT/EP2007/061392
Other languages
German (de)
English (en)
Inventor
Brigitte Hammer
Thomas Heller
Johann Wilhelm Schmitz
Jochen Wans
Original Assignee
Thyssenkrupp Steel Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thyssenkrupp Steel Ag filed Critical Thyssenkrupp Steel Ag
Priority to US12/447,625 priority Critical patent/US20100065161A1/en
Priority to CN2007800400604A priority patent/CN101528968B/zh
Priority to JP2009533824A priority patent/JP5350255B2/ja
Priority to KR1020097007487A priority patent/KR101461585B1/ko
Publication of WO2008052921A1 publication Critical patent/WO2008052921A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/041—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular fabrication or treatment of ingot or slab
    • C21D8/0415—Rapid solidification; Thin strip casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0426—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Abstract

L'invention concerne un procédé permettant de fabriquer des produits plats en acier très résistants sur une grande gamme de dimensions géométriques, avec des moyens de fabrication réduits. A cet effet, un acier formant une structure multiphase contenant (en % en poids) 0,10 - 0,15 % C, 0,80 - 1,20 % Mn, jusqu'à 0,030 % P, jusqu'à 0,004 % S, 1,10 - 1,30 % Si, 0,0 - 0,05 % Al, jusqu'à 0,0060 % N, 0,30 - 0,60 % Cr, 0,080 - 0,120 % Ti, 0,040 - 0,060 % Nb, 0,150 - 0,250 % Mo, et le reste de fer et d'impuretés inévitables, est coulé sous forme de bande coulée ayant une épaisseur de 1 - 4 mm; la bande coulée est laminée à chaud en continu avec un degré de déformation de plus de 20 % en ligne, à une température terminale de laminage à chaud de 850 - 1000 °C, sous forme de bande à chaud présentant une épaisseur de 0,5 - 3,2 mm; puis la bande à chaud est bobinée à une température de bobinage de 450 - 700 °C de manière à obtenir une bande à chaud dont la résistance à la traction Rm est d'au moins 880 MPa pour un allongement à la rupture A80 d'au moins 5 %.
PCT/EP2007/061392 2006-10-30 2007-10-24 Procédé de fabrication de produits plats en acier à partir d'un acier multiphase allié à du silicium WO2008052921A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/447,625 US20100065161A1 (en) 2006-10-30 2007-10-24 Method for manufacturing flat steel products from silicon alloyed multi-phase steel
CN2007800400604A CN101528968B (zh) 2006-10-30 2007-10-24 由硅合金化多相钢制造扁钢产品的方法
JP2009533824A JP5350255B2 (ja) 2006-10-30 2007-10-24 ケイ素合金化多相鋼からフラット鋼生成物を製造する方法
KR1020097007487A KR101461585B1 (ko) 2006-10-30 2007-10-24 실리콘으로 합금화된 다상 강으로부터 평판형 강 제품을 제조하는 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06123141A EP1918405B1 (fr) 2006-10-30 2006-10-30 Procédé pour la fabrication de produits plats à partir d'un acier à plusieurs phases allié en silice
EP06123141.1 2006-10-30

Publications (1)

Publication Number Publication Date
WO2008052921A1 true WO2008052921A1 (fr) 2008-05-08

Family

ID=37781961

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/061392 WO2008052921A1 (fr) 2006-10-30 2007-10-24 Procédé de fabrication de produits plats en acier à partir d'un acier multiphase allié à du silicium

Country Status (10)

Country Link
US (1) US20100065161A1 (fr)
EP (1) EP1918405B1 (fr)
JP (1) JP5350255B2 (fr)
KR (1) KR101461585B1 (fr)
CN (1) CN101528968B (fr)
AT (1) ATE432375T1 (fr)
DE (1) DE502006003833D1 (fr)
ES (1) ES2325964T3 (fr)
PL (1) PL1918405T3 (fr)
WO (1) WO2008052921A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10071416B2 (en) * 2005-10-20 2018-09-11 Nucor Corporation High strength thin cast strip product and method for making the same
EP2209926B1 (fr) * 2007-10-10 2019-08-07 Nucor Corporation Acier à structure métallographique complexe et son procédé de fabrication
WO2011100798A1 (fr) 2010-02-20 2011-08-25 Bluescope Steel Limited Nitratation d'acier au niobium et produit fabriqué par ce moyen
EP2439290B1 (fr) 2010-10-05 2013-11-27 ThyssenKrupp Steel Europe AG Acier à plusieurs phases, produit plat laminé à froid fabriqué à partir d'un tel acier à plusieurs phases et son procédé de fabrication
AT512399B1 (de) * 2012-09-10 2013-08-15 Siemens Vai Metals Tech Gmbh Verfahren zum Herstellen eines mikrolegierten Röhrenstahls in einer Gieß-Walz-Verbundanlage und mikrolegierter Röhrenstahl
KR102596515B1 (ko) 2014-12-19 2023-11-01 누코 코포레이션 열연 경량 마르텐사이트계 강판 및 이의 제조방법
IT201700010994A1 (it) * 2017-02-01 2018-08-01 Nova Ferr S R L Lama di taglio per un tagliaerba.

Citations (5)

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Publication number Priority date Publication date Assignee Title
EP0969112A1 (fr) * 1997-03-17 2000-01-05 Nippon Steel Corporation Tole d'acier biphase a haute resistance ayant d'excellentes proprietes de deformation dynamique et son procede de preparation
EP1072689A1 (fr) * 1999-07-30 2001-01-31 Usinor Procédé de fabrication de bandes minces en acier de type "TRIP" , et bandes minces ainsi obtenues
FR2798871A1 (fr) * 1999-09-24 2001-03-30 Usinor Procede de fabrication de bandes d'acier au carbone, notamment d'acier pour emballages, et bandes ainsi produites
EP1396550A1 (fr) * 2002-08-28 2004-03-10 ThyssenKrupp Stahl AG Procédé pour la fabrication d' une bande à chaud
EP1398390A1 (fr) * 2002-09-11 2004-03-17 ThyssenKrupp Stahl AG Acier ferritique-martensitique possédant une resistance élevée ayant une fine microstructure

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Publication number Priority date Publication date Assignee Title
EP0969112A1 (fr) * 1997-03-17 2000-01-05 Nippon Steel Corporation Tole d'acier biphase a haute resistance ayant d'excellentes proprietes de deformation dynamique et son procede de preparation
EP1072689A1 (fr) * 1999-07-30 2001-01-31 Usinor Procédé de fabrication de bandes minces en acier de type "TRIP" , et bandes minces ainsi obtenues
FR2798871A1 (fr) * 1999-09-24 2001-03-30 Usinor Procede de fabrication de bandes d'acier au carbone, notamment d'acier pour emballages, et bandes ainsi produites
EP1396550A1 (fr) * 2002-08-28 2004-03-10 ThyssenKrupp Stahl AG Procédé pour la fabrication d' une bande à chaud
EP1398390A1 (fr) * 2002-09-11 2004-03-17 ThyssenKrupp Stahl AG Acier ferritique-martensitique possédant une resistance élevée ayant une fine microstructure

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Also Published As

Publication number Publication date
DE502006003833D1 (de) 2009-07-09
EP1918405A1 (fr) 2008-05-07
CN101528968A (zh) 2009-09-09
CN101528968B (zh) 2013-03-06
ES2325964T3 (es) 2009-09-25
JP2010508437A (ja) 2010-03-18
JP5350255B2 (ja) 2013-11-27
EP1918405B1 (fr) 2009-05-27
PL1918405T3 (pl) 2009-10-30
US20100065161A1 (en) 2010-03-18
ATE432375T1 (de) 2009-06-15
KR20090090303A (ko) 2009-08-25
KR101461585B1 (ko) 2015-02-23

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