EP1852514A4 - Procédé de fabrication d une feuille en acier à teneur extrêmement faible en carbone et objet moulé à teneur extrêmement faible en carbone présentant d excellentes propriétés de surface, d aptitude au façonnage et d'aptitude au - Google Patents

Procédé de fabrication d une feuille en acier à teneur extrêmement faible en carbone et objet moulé à teneur extrêmement faible en carbone présentant d excellentes propriétés de surface, d aptitude au façonnage et d'aptitude au

Info

Publication number
EP1852514A4
EP1852514A4 EP06714341A EP06714341A EP1852514A4 EP 1852514 A4 EP1852514 A4 EP 1852514A4 EP 06714341 A EP06714341 A EP 06714341A EP 06714341 A EP06714341 A EP 06714341A EP 1852514 A4 EP1852514 A4 EP 1852514A4
Authority
EP
European Patent Office
Prior art keywords
extremely low
low carbon
formability
workability
steel sheet
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP06714341A
Other languages
German (de)
English (en)
Other versions
EP1852514A1 (fr
EP1852514B1 (fr
Inventor
Katsuhiro Sasai
Wataru Ohashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1852514A1 publication Critical patent/EP1852514A1/fr
Publication of EP1852514A4 publication Critical patent/EP1852514A4/fr
Application granted granted Critical
Publication of EP1852514B1 publication Critical patent/EP1852514B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/11Treating the molten metal
    • B22D11/114Treating the molten metal by using agitating or vibrating means
    • B22D11/115Treating the molten metal by using agitating or vibrating means by using magnetic fields
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006Adding metallic additives
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/06Deoxidising, e.g. killing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/068Decarburising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10Handling in a vacuum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/004Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Continuous Casting (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP06714341A 2005-02-18 2006-02-16 Procédé de fabrication d une feuille en acier à teneur extrêmement faible en carbone et objet moulé à teneur extrêmement faible en carbone présentant d'excellentes propriétés de surface, d'aptitude au façonnage et d'aptitude a la mise en forme Expired - Fee Related EP1852514B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005041893 2005-02-18
JP2005300096A JP4873921B2 (ja) 2005-02-18 2005-10-14 表面性状、加工性および成形性に優れた極低炭素鋼板および極低炭素鋳片の製造方法
PCT/JP2006/303201 WO2006088223A1 (fr) 2005-02-18 2006-02-16 Procédé de fabrication d’une feuille en acier à teneur extrêmement faible en carbone et objet moulé à teneur extrêmement faible en carbone présentant d’excellentes propriétés de surface, d’aptitude au façonnage et d'aptitude au

Publications (3)

Publication Number Publication Date
EP1852514A1 EP1852514A1 (fr) 2007-11-07
EP1852514A4 true EP1852514A4 (fr) 2009-11-11
EP1852514B1 EP1852514B1 (fr) 2012-08-08

Family

ID=36916618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06714341A Expired - Fee Related EP1852514B1 (fr) 2005-02-18 2006-02-16 Procédé de fabrication d une feuille en acier à teneur extrêmement faible en carbone et objet moulé à teneur extrêmement faible en carbone présentant d'excellentes propriétés de surface, d'aptitude au façonnage et d'aptitude a la mise en forme

Country Status (7)

Country Link
US (1) US20120261085A1 (fr)
EP (1) EP1852514B1 (fr)
JP (1) JP4873921B2 (fr)
KR (1) KR100886046B1 (fr)
BR (1) BRPI0607866B1 (fr)
TW (1) TWI340173B (fr)
WO (1) WO2006088223A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120177935A1 (en) * 2009-07-30 2012-07-12 Ben Richards Process for Producing an Ultra-Low-Carbon Steel Slab, Strip or Sheet
JP5458779B2 (ja) * 2009-09-29 2014-04-02 Jfeスチール株式会社 鋼鋳片の連続鋳造方法
KR101250101B1 (ko) * 2010-03-10 2013-04-03 제이에프이 스틸 가부시키가이샤 강의 연속 주조 방법 및 강판의 제조 방법
WO2012104306A1 (fr) * 2011-01-31 2012-08-09 Tata Steel Ijmuiden Bv Procédé de fabrication d'acier à résistance élevée et acier fabriqué au moyen dudit procédé
CN104294150B (zh) * 2014-10-30 2016-05-18 武汉钢铁(集团)公司 屏蔽线用钢及其生产方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924312A1 (fr) * 1997-06-26 1999-06-23 Kawasaki Steel Corporation Tuyau en acier a grains ultrafins et procede de fabrication dudit tuyau
EP1323837A1 (fr) * 2001-12-24 2003-07-02 Usinor Produit sidérurgique en acier au carbone, notamment destiné à la galvanisation, et ses procédés de réalisation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW415967B (en) * 1996-02-29 2000-12-21 Kawasaki Steel Co Steel, steel sheet having excellent workability and method of the same by electric furnace-vacuum degassing process
EP1726383B1 (fr) * 1997-12-08 2016-05-25 Nippon Steel & Sumitomo Metal Corporation Brame coulée, procédé et sispositif de coulée de métal fondu
JP3537685B2 (ja) * 1998-10-30 2004-06-14 新日本製鐵株式会社 介在物性欠陥の少ない薄鋼板用鋳片およびその製造方法
JP2001026843A (ja) * 1999-07-13 2001-01-30 Nippon Steel Corp 加工性、耐泡・黒点性およびほうろう密着性に優れた連続鋳造ほうろう用鋼板およびその製造方法
JP3760144B2 (ja) * 2001-08-07 2006-03-29 新日本製鐵株式会社 極低炭素鋼板、極低炭素鋼鋳片およびその製造方法
JP4660038B2 (ja) * 2001-09-27 2011-03-30 新日本製鐵株式会社 薄板用鋼板の溶製方法およびその鋳片
JP2004143470A (ja) * 2002-08-29 2004-05-20 Nippon Steel Corp 塗装焼付硬化性能と常温遅時効性に優れた鋼板およびその製造方法
JP3852396B2 (ja) * 2002-11-07 2006-11-29 住友金属工業株式会社 薄鋼板および薄鋼板用溶鋼の脱酸方法
JP4227431B2 (ja) * 2003-02-12 2009-02-18 新日本製鐵株式会社 高強度高延性鋼板及びその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924312A1 (fr) * 1997-06-26 1999-06-23 Kawasaki Steel Corporation Tuyau en acier a grains ultrafins et procede de fabrication dudit tuyau
EP1323837A1 (fr) * 2001-12-24 2003-07-02 Usinor Produit sidérurgique en acier au carbone, notamment destiné à la galvanisation, et ses procédés de réalisation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006088223A1 *

Also Published As

Publication number Publication date
WO2006088223A1 (fr) 2006-08-24
KR20070094859A (ko) 2007-09-21
TWI340173B (en) 2011-04-11
BRPI0607866A2 (pt) 2009-10-20
BRPI0607866B1 (pt) 2014-03-04
JP4873921B2 (ja) 2012-02-08
KR100886046B1 (ko) 2009-02-26
EP1852514A1 (fr) 2007-11-07
EP1852514B1 (fr) 2012-08-08
US20120261085A1 (en) 2012-10-18
TW200632112A (en) 2006-09-16
JP2006257542A (ja) 2006-09-28

Similar Documents

Publication Publication Date Title
PL1857562T3 (pl) Utwardzana przy wypalaniu walcowana na gorąco blacha stalowa z doskonałą obrabialnością i sposób jej wytwarzania
EP2003221A4 (fr) Feuille tres mince d'acier dur et son procede de fabrication
EP1811048A4 (fr) FEUILLE D ACIER DE FORTE TENEUR EN Al ET PRÉSENTANT UNE EXCELLENTE USINABILITÉ ET PROCÉDÉ DE FABRICATION IDOINE
EP1992708A4 (fr) Procede de production d'une tole d'acier magnetique a grains orientes presentant d'excellentes proprietes magnetiques
GB2438618B (en) High strength steel sheet having excellent stretch flangeabilty
PL2171112T3 (pl) Sposób wytwarzania blach stalowych o dobrych własnościach wytrzymałościowych i plastycznych oraz blachy tak wytworzone
EP2003220A4 (fr) Plaque en acier ayant une excellente aptitude a la transformation par decoupage fin et son procede de fabrication
EP1975266A4 (fr) Feuille d'acier ultra-resistante
EP2154262A4 (fr) Tôle d'acier résistante à l'abrasion extrêmement facile à mettre en uvre et son procédé de production
EP1950317A4 (fr) Tole en acier pour emaillage par coulage continu avec une tres grande improbabilite d ecaillage et son procede de production
EP1966404A4 (fr) Feuille d'acier au carbone supérieure en termes d'aptitude au formage et procédé de fabrication de celle-ci
EP1764423A4 (fr) Methode de production de tole en acier a haute resistance mecanique
EP2143822A4 (fr) Feuille d'acier plaqué pour boîte-boisson et procédé de production de cette feuille
EP2009130A4 (fr) Processus de fabrication de toles d'acier enduites de zinc par immersion a chaud faciles à traiter, ne farinant pas, avec propriété de glissement
EP2371979A4 (fr) Tôle d'acier laminée à froid de haute résistance ayant une excellente aptitude au façonnage, tôle d'acier de haute résistance galvanisée à chaud et son procédé de fabrication
TWI315744B (en) High strength steel sheet and method for manufacturing the same
EP2233597A4 (fr) Tôle d'acier galvanisée par immersion à chaud de résistance élevée ayant une excellente aptitude au moulage et procédé pour la production de celle-ci
GB2433746B (en) Steel sheet having excellent weldability
EP1932933A4 (fr) Feuille d acier extra-doux laminée à chaud à haute teneur en carbone et procede de fabrication idoine
EP1905851A4 (fr) Feuille d acier à forte teneur en carbone laminée à chaud et son procédé de fabrication
EP2039791A4 (fr) Tôle d'acier de grande résistance et son procédé de production
EP2103697A4 (fr) Tôle en acier laminé à chaud, à teneur en carbone élevée, et son procédé de fabrication
EP1980635A4 (fr) Feuille d'acier convenant parfaitement a un decoupage fin et son procede de production
EP2103703A4 (fr) Tôle d'acier laminée à froid et son procédé de fabrication
EP2039792A4 (fr) Plaque d'acier électromagnétique à grains orientés de manière unidirectionnelle, laquelle plaque présente d'excellentes propriétés de perte de fer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070912

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20090914

A4 Supplementary search report drawn up and despatched

Effective date: 20090914

17Q First examination report despatched

Effective date: 20100126

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NIPPON STEEL CORPORATION

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602006031264

Country of ref document: DE

Effective date: 20121011

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602006031264

Country of ref document: DE

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION, JP

Free format text: FORMER OWNER: NIPPON STEEL CORPORATION, TOKIO/TOKYO, JP

Effective date: 20130227

Ref country code: DE

Ref legal event code: R082

Ref document number: 602006031264

Country of ref document: DE

Representative=s name: VOSSIUS & PARTNER, DE

Effective date: 20130227

Ref country code: DE

Ref legal event code: R081

Ref document number: 602006031264

Country of ref document: DE

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION, JP

Free format text: FORMER OWNER: NIPPON STEEL CORP., TOKIO/TOKYO, JP

Effective date: 20120808

Ref country code: DE

Ref legal event code: R082

Ref document number: 602006031264

Country of ref document: DE

Representative=s name: VOSSIUS & PARTNER PATENTANWAELTE RECHTSANWAELT, DE

Effective date: 20130227

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20130510

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602006031264

Country of ref document: DE

Effective date: 20130510

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 602006031264

Country of ref document: DE

Representative=s name: VOSSIUS & PARTNER PATENTANWAELTE RECHTSANWAELT, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 602006031264

Country of ref document: DE

Owner name: NIPPON STEEL CORPORATION, JP

Free format text: FORMER OWNER: NIPPON STEEL & SUMITOMO METAL CORPORATION, TOKYO, JP

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20200206

Year of fee payment: 15

Ref country code: DE

Payment date: 20200204

Year of fee payment: 15

Ref country code: IT

Payment date: 20200128

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20200113

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602006031264

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20210216

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210216

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210228

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210216