BR0114338A - Processo para produzir tira de aço e aço de baixo teor de carbono produzido por esse processo - Google Patents

Processo para produzir tira de aço e aço de baixo teor de carbono produzido por esse processo

Info

Publication number
BR0114338A
BR0114338A BR0114338-7A BR0114338A BR0114338A BR 0114338 A BR0114338 A BR 0114338A BR 0114338 A BR0114338 A BR 0114338A BR 0114338 A BR0114338 A BR 0114338A
Authority
BR
Brazil
Prior art keywords
strip
low carbon
carbon steel
produce
produced
Prior art date
Application number
BR0114338-7A
Other languages
English (en)
Other versions
BR0114338B1 (pt
Inventor
Kannappar Mukunthan
Lazar Strezov
Rama Mahapatra
Walter Blejde
Original Assignee
Nucor 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3824539&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0114338(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nucor Corp filed Critical Nucor Corp
Publication of BR0114338A publication Critical patent/BR0114338A/pt
Publication of BR0114338B1 publication Critical patent/BR0114338B1/pt

Links

Classifications

    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving particular fabrication steps or treatments of ingots or slabs
    • C21D8/0215—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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Continuous Casting (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Metal Rolling (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Coating With Molten Metal (AREA)

Abstract

"PROCESSO PARA PRODUZIR TIRA DE AçO E AçO DE BAIXO TEOR DE CARBONO PRODUZIDO POR ESSE PROCESSO". Proporcionam-se tiras de aço e processos para produzir tiras de aço. Em uma concretização ilustrada, um processo inclui fundir continuamente aço de baixo teor de carbono em uma tira de não mais que 5 mm de espessura tendo grânulos de austenita que são grânulos grosseiros de 100-300 micrómetros de largura; e proporcionar um limite de elasticidade desejado na tira fundida mediante o resfriamento da tira para transformar os grânulos de austenita em ferrita em uma faixa de temperatura entre 850<198>C e 400<198>C sob uma velocidade de resfriamento selecionada de pelo menos 0,01 <198>C/segundo para produzir uma microestrutura que proporciona uma tira dotada de um limite de elasticidade de pelo menos 200 MPa. O aço de baixo teor de carbono produzido possui a microestrutura desejada.
BRPI0114338-7A 2000-09-29 2001-09-28 processo para produzir tira de aço em um processo de lingotamento contìnuo de tira de aço. BR0114338B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPR0479A AUPR047900A0 (en) 2000-09-29 2000-09-29 A method of producing steel
AUPR0479 2000-09-29
PCT/AU2001/001215 WO2002026422A1 (en) 2000-09-29 2001-09-28 A method of producing steel

Publications (2)

Publication Number Publication Date
BR0114338A true BR0114338A (pt) 2003-12-09
BR0114338B1 BR0114338B1 (pt) 2012-02-22

Family

ID=3824539

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0114338-7A BR0114338B1 (pt) 2000-09-29 2001-09-28 processo para produzir tira de aço em um processo de lingotamento contìnuo de tira de aço.

Country Status (15)

Country Link
US (2) US6585030B2 (pt)
EP (1) EP1326723B9 (pt)
JP (1) JP4901060B2 (pt)
KR (2) KR100937798B1 (pt)
CN (1) CN1287931C (pt)
AT (1) ATE442925T1 (pt)
AU (1) AUPR047900A0 (pt)
BR (1) BR0114338B1 (pt)
CA (1) CA2420492C (pt)
DE (1) DE60139945D1 (pt)
MX (1) MXPA03001971A (pt)
MY (1) MY126851A (pt)
RU (1) RU2294386C2 (pt)
TW (1) TW575471B (pt)
WO (1) WO2002026422A1 (pt)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9149868B2 (en) 2005-10-20 2015-10-06 Nucor Corporation Thin cast strip product with microalloy additions, and method for making the same
US9999918B2 (en) 2005-10-20 2018-06-19 Nucor Corporation Thin cast strip product with microalloy additions, and method for making the same
US10071416B2 (en) 2005-10-20 2018-09-11 Nucor Corporation High strength thin cast strip product and method for making the same

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPR047900A0 (en) * 2000-09-29 2000-10-26 Bhp Steel (Jla) Pty Limited A method of producing steel
AU9150501A (en) * 2000-09-29 2002-04-08 Ishikawajima Harima Heavy Ind Production of thin steel strip
US7117925B2 (en) * 2000-09-29 2006-10-10 Nucor Corporation Production of thin steel strip
US7690417B2 (en) 2001-09-14 2010-04-06 Nucor Corporation Thin cast strip with controlled manganese and low oxygen levels and method for making same
US7485196B2 (en) * 2001-09-14 2009-02-03 Nucor Corporation Steel product with a high austenite grain coarsening temperature
CN1277634C (zh) * 2001-09-14 2006-10-04 纽科尔公司 铸造钢带的方法及钢带
US7048033B2 (en) 2001-09-14 2006-05-23 Nucor Corporation Casting steel strip
ITMI20021512A1 (it) * 2002-07-10 2004-01-12 Danieli Off Mecc Metodo per la regolazione della temperatura del nastro in un impiantodi colata continua di nastro metallico e relativo dispositivo di attua
US20040144518A1 (en) 2003-01-24 2004-07-29 Blejde Walter N. Casting steel strip with low surface roughness and low porosity
MY141950A (en) * 2003-10-10 2010-07-30 Ishikawajima Harima Heavy Ind Casting steel strip
WO2007079545A1 (en) * 2006-01-16 2007-07-19 Nucor Corporation Thin cast steel strip with reduced microcracking
US8562766B2 (en) 2006-02-27 2013-10-22 Nucor Corporation Method for making a low surface roughness cast strip
US20070199627A1 (en) * 2006-02-27 2007-08-30 Blejde Walter N Low surface roughness cast strip and method and apparatus for making the same
AT504225B1 (de) † 2006-09-22 2008-10-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung eines stahlbandes
DE502006003830D1 (de) * 2006-10-30 2009-07-09 Thyssenkrupp Steel Ag Verfahren zum Herstellen von Stahl-Flachprodukten aus einem ein Komplexphasen-Gefüge bildenden Stahl
WO2008137900A1 (en) * 2007-05-06 2008-11-13 Nucor Corporation A thin cast strip product with microalloy additions, and method for making the same
CN105002420B (zh) * 2007-05-06 2017-04-12 纽科尔公司 具有微合金添加剂的薄铸造带材产品及其制造方法
US7984748B2 (en) 2008-07-03 2011-07-26 Nucor Corporation Apparatus for continuous strip casting
US20110277886A1 (en) 2010-02-20 2011-11-17 Nucor Corporation Nitriding of niobium steel and product made thereby
KR101563606B1 (ko) * 2009-03-11 2015-10-27 잘쯔기터 플래시슈탈 게엠베하 열간압연 스트립을 제조하는 방법 및 페라이트계 강으로부터 제조된 열간압연 스트립
CN102002628B (zh) * 2009-08-31 2012-07-25 宝山钢铁股份有限公司 一种低碳钢薄板的制造方法
TWI447236B (zh) 2011-03-28 2014-08-01 Nippon Steel & Sumitomo Metal Corp 熱軋鋼板及其製造方法
CA2837052C (en) 2011-05-25 2015-09-15 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet and method for producing same
US9156082B2 (en) 2013-06-04 2015-10-13 Nucor Corporation Method of continuously casting thin strip
PL3135788T3 (pl) * 2014-04-23 2019-01-31 Nippon Steel & Sumitomo Metal Corporation Stalowa blacha walcowana na gorąco do produkcji wytłoczki z blachy walcowanej, wytłoczka z blachy walcowanej oraz sposób ich produkcji
DE112015005690T8 (de) * 2014-12-19 2018-04-19 Nucor Corporation Warmgewalztes martensitisches Leichtbau-Stahlblech und Verfahren zum Herstellen desselben
US11655519B2 (en) 2017-02-27 2023-05-23 Nucor Corporation Thermal cycling for austenite grain refinement
AU2018338204B2 (en) * 2017-09-22 2024-05-23 Nucor Corporation Iterative learning control for periodic disturbances in twin-roll strip casting with measurement delay
US10815544B2 (en) * 2018-04-06 2020-10-27 Nucor Corporation High friction rolling of thin metal strip

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FR2798871B1 (fr) 1999-09-24 2001-11-02 Usinor Procede de fabrication de bandes d'acier au carbone, notamment d'acier pour emballages, et bandes ainsi produites
AUPR047900A0 (en) * 2000-09-29 2000-10-26 Bhp Steel (Jla) Pty Limited A method of producing steel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9149868B2 (en) 2005-10-20 2015-10-06 Nucor Corporation Thin cast strip product with microalloy additions, and method for making the same
US9999918B2 (en) 2005-10-20 2018-06-19 Nucor Corporation Thin cast strip product with microalloy additions, and method for making the same
US10071416B2 (en) 2005-10-20 2018-09-11 Nucor Corporation High strength thin cast strip product and method for making the same

Also Published As

Publication number Publication date
TW575471B (en) 2004-02-11
CA2420492C (en) 2009-12-01
DE60139945D1 (de) 2009-10-29
WO2002026422A1 (en) 2002-04-04
US20030205355A1 (en) 2003-11-06
KR20090011017A (ko) 2009-01-30
ATE442925T1 (de) 2009-10-15
US20020043357A1 (en) 2002-04-18
BR0114338B1 (pt) 2012-02-22
CA2420492A1 (en) 2002-04-04
KR100937798B1 (ko) 2010-01-20
AUPR047900A0 (en) 2000-10-26
CN1458870A (zh) 2003-11-26
RU2294386C2 (ru) 2007-02-27
EP1326723B9 (en) 2010-02-03
EP1326723A4 (en) 2004-09-08
US6818073B2 (en) 2004-11-16
JP2004508942A (ja) 2004-03-25
EP1326723A1 (en) 2003-07-16
MXPA03001971A (es) 2004-09-10
EP1326723B1 (en) 2009-09-16
JP4901060B2 (ja) 2012-03-21
MY126851A (en) 2006-10-31
KR20030064760A (ko) 2003-08-02
CN1287931C (zh) 2006-12-06
US6585030B2 (en) 2003-07-01

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08H Application fees: decision cancelled [chapter 8.8 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1849 DE 13/06/2006 POR TER SIDO APRESENTADA PAPELETA DE ESCLARECIMENTO.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/02/2012, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2640 DE 10-08-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.