PL1945392T3 - Wyrób stalowy o wysokiej temperaturze wzrostu wielkości ziaren austenitu i sposób jego wytwarzania - Google Patents

Wyrób stalowy o wysokiej temperaturze wzrostu wielkości ziaren austenitu i sposób jego wytwarzania

Info

Publication number
PL1945392T3
PL1945392T3 PL06790405T PL06790405T PL1945392T3 PL 1945392 T3 PL1945392 T3 PL 1945392T3 PL 06790405 T PL06790405 T PL 06790405T PL 06790405 T PL06790405 T PL 06790405T PL 1945392 T3 PL1945392 T3 PL 1945392T3
Authority
PL
Poland
Prior art keywords
making
same
steel product
austenite grain
grain coarsening
Prior art date
Application number
PL06790405T
Other languages
English (en)
Inventor
James Geoffrey Williams
Frank Barbaro
Philip John Renwick
Harold Roland Kaul
Andrew Phillips
Lazar Strezov
Walter Bledje
Rama Ballav Mahapatra
Christopher Ronald Killmore
Original Assignee
Nucor Corporation
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 Nucor Corporation filed Critical Nucor Corporation
Publication of PL1945392T3 publication Critical patent/PL1945392T3/pl

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
    • B22D11/001—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
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
    • 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
    • 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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • 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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/116—Refining the metal
    • B22D11/117—Refining the metal by treating with gases
    • 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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12993—Surface feature [e.g., rough, mirror]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
PL06790405T 2005-10-20 2006-10-19 Wyrób stalowy o wysokiej temperaturze wzrostu wielkości ziaren austenitu i sposób jego wytwarzania PL1945392T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/255,604 US7485196B2 (en) 2001-09-14 2005-10-20 Steel product with a high austenite grain coarsening temperature
PCT/AU2006/001554 WO2007045038A1 (en) 2005-10-20 2006-10-19 A steel product with a high austenite grain coarsening temperature, and method for making the same
EP06790405.2A EP1945392B1 (en) 2005-10-20 2006-10-19 A steel product with a high austenite grain coarsening temperature, and method for making the same

Publications (1)

Publication Number Publication Date
PL1945392T3 true PL1945392T3 (pl) 2022-05-02

Family

ID=37913025

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06790405T PL1945392T3 (pl) 2005-10-20 2006-10-19 Wyrób stalowy o wysokiej temperaturze wzrostu wielkości ziaren austenitu i sposób jego wytwarzania

Country Status (13)

Country Link
US (3) US7485196B2 (pl)
EP (1) EP1945392B1 (pl)
JP (2) JP6078216B2 (pl)
KR (1) KR101322703B1 (pl)
CN (1) CN101340990B (pl)
AU (1) AU2006303818B2 (pl)
DE (1) DE102006049629A1 (pl)
MY (1) MY145404A (pl)
NZ (1) NZ568183A (pl)
PL (1) PL1945392T3 (pl)
RU (2) RU2421298C2 (pl)
UA (1) UA96580C2 (pl)
WO (1) WO2007045038A1 (pl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7485196B2 (en) * 2001-09-14 2009-02-03 Nucor Corporation Steel product with a high austenite grain coarsening temperature
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
BRPI0811554B1 (pt) * 2007-05-06 2017-04-04 Nucor Corp produto de aço, produto de aço laminado a quente e método para preparar tira fina de aço lingotado bobinada
KR20150127739A (ko) * 2007-05-06 2015-11-17 누코 코포레이션 미소합금 첨가물을 갖는 박판 주조 스트립 제품과 그 제조 방법
US7975754B2 (en) 2007-08-13 2011-07-12 Nucor Corporation Thin cast steel strip with reduced microcracking
US20130302644A1 (en) * 2009-02-20 2013-11-14 Nucor Corporation Hot rolled thin cast strip product and method for making the same
US20100215981A1 (en) * 2009-02-20 2010-08-26 Nucor Corporation Hot rolled thin cast strip product and method for making the same
CN101880746B (zh) * 2010-06-13 2012-06-27 江苏新亚特钢锻造有限公司 纳米粉体改性强化模具钢制备工艺
CN102240794B (zh) * 2011-06-29 2013-01-23 北京交通大学 一种钢基颗粒增强复合材料抗磨件的制造方法
CN103305770B (zh) * 2012-03-14 2015-12-09 宝山钢铁股份有限公司 一种薄带连铸550MPa级高强耐大气腐蚀钢带的制造方法
CN103302255B (zh) * 2012-03-14 2015-10-28 宝山钢铁股份有限公司 一种薄带连铸700MPa级高强耐大气腐蚀钢制造方法
RU2505619C1 (ru) * 2012-11-23 2014-01-27 Открытое акционерное общество "Научно-производственное объединение "Прибор" Малоуглеродистая легированная сталь
CN107249782B (zh) 2014-12-19 2019-12-31 纽科尔公司 制造薄地板的方法
US11047015B2 (en) 2017-08-24 2021-06-29 Nucor Corporation Manufacture of low carbon steel
CN108160956B (zh) * 2018-01-24 2020-01-10 东北大学 一种液/固两相体系中颗粒粗化行为的控制方法及装置
CN111014602B (zh) * 2019-12-30 2022-04-08 中国科学院合肥物质科学研究院 一种以前驱粉诱导形核通过薄带连铸工艺制备氧化物弥散强化钢的方法

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073643A (en) 1973-05-29 1978-02-14 Nippon Steel Corporation Continuously cast steel slabs for steel sheets having excellent workabilities and method for production thereof
US3963531A (en) * 1975-02-28 1976-06-15 Armco Steel Corporation Cold rolled, ductile, high strength steel strip and sheet and method therefor
AU517323B2 (en) 1976-07-28 1981-07-23 Nippon Steel Corporation Producing killed steels for continuous casting
US4082576A (en) * 1976-10-04 1978-04-04 Youngstown Sheet And Tube Company Ultra-high strength low alloy titanium bearing flat rolled steel and process for making
JPS57134249A (en) 1981-02-12 1982-08-19 Matsushita Electric Ind Co Ltd Production of thin strip of magnetic alloy
JPS58113318A (ja) 1981-12-28 1983-07-06 Kobe Steel Ltd 肌焼鋼の製造方法
US4468249A (en) 1982-09-16 1984-08-28 A. Finkl & Sons Co. Machinery steel
JPS6250054A (ja) 1985-08-30 1987-03-04 Nippon Steel Corp 酸素含有量の高い鋼片を得るための連続鋳造方法
US4746361A (en) 1987-04-03 1988-05-24 Inland Steel Company Controlling dissolved oxygen content in molten steel
EP0288054B1 (en) 1987-04-24 1993-08-11 Nippon Steel Corporation Method of producing steel plate with good low-temperature toughness
JPH02179843A (ja) * 1988-12-29 1990-07-12 Sumitomo Metal Ind Ltd 熱間製管用工具材料
JP2795871B2 (ja) 1989-02-03 1998-09-10 新日本製鐵株式会社 薄肉鋳片の連続鋳造方法
JPH03287741A (ja) * 1990-04-04 1991-12-18 Nippon Steel Corp 強靭鋼の製造法
JP2846404B2 (ja) 1990-04-06 1999-01-13 新日本製鐵株式会社 双ロール鋳造法による低炭素鋼鋳片の製造方法
WO1995013155A1 (en) 1993-11-08 1995-05-18 Ishikawajima-Harima Heavy Industries Company Limited In-line heat treatment of continuously cast steel strip
JPH08199303A (ja) * 1995-01-24 1996-08-06 Daido Steel Co Ltd 結晶粒粗大化防止鋼
AUPN176495A0 (en) 1995-03-15 1995-04-13 Bhp Steel (Jla) Pty Limited Casting of metal
CA2220058A1 (en) 1995-05-05 1996-11-07 Ishikawajima-Harima Heavy Industries Company Limited Casting steel strip
AUPN937696A0 (en) 1996-04-19 1996-05-16 Bhp Steel (Jla) Pty Limited Casting steel strip
US6059014A (en) 1997-04-21 2000-05-09 Ishikawajima Heavy Industries Co., Ltd. Casting steel strip
AUPO710497A0 (en) 1997-06-02 1997-06-26 Bhp Steel (Jla) Pty Limited Casting metal strip
IT1291931B1 (it) * 1997-06-19 1999-01-21 Voest Alpine Ind Anlagen Procedimento per la produzione di nastri grezzi di colaggio in acciaio a basso contenuto di carbonio e nastri cosi' ottenibili
US6942013B2 (en) 1998-08-07 2005-09-13 Lazar Strezov Casting steel strip
AUPP515198A0 (en) 1998-08-07 1998-09-03 Bhp Steel (Jla) Pty Limited Casting steel strip
JP2000080445A (ja) * 1998-09-02 2000-03-21 Natl Res Inst For Metals 酸化物分散鋼とその製造方法
JP3896713B2 (ja) 1998-12-16 2007-03-22 住友金属工業株式会社 清浄性に優れた極低炭素鋼の溶製方法
AUPP811399A0 (en) 1999-01-12 1999-02-04 Bhp Steel (Jla) Pty Limited Cold rolled steel
FR2790485B1 (fr) * 1999-03-05 2002-02-08 Usinor Procede de coulee continue entre cylindres de bandes d'acier inoxydable ferritique a haute ductilite, et bandes minces ainsi obtenues
FR2791286B1 (fr) 1999-03-26 2001-05-04 Lorraine Laminage Procede de fabrication de bandes en acier au carbone par coulee continue entre deux cylindres
FR2796083B1 (fr) * 1999-07-07 2001-08-31 Usinor Procede de fabrication de bandes en alliage fer-carbone-manganese, et bandes ainsi produites
WO2001020051A1 (fr) * 1999-09-16 2001-03-22 Nkk Corporation Plaque fine d'acier a resistance elevee et procede de production correspondant
JP4213833B2 (ja) 1999-10-21 2009-01-21 新日本製鐵株式会社 溶接部靱性に優れた高靱性高張力鋼とその製造方法
JP3545696B2 (ja) 2000-03-30 2004-07-21 新日本製鐵株式会社 穴拡げ性と延性に優れた高強度熱延鋼板及びその製造方法
JP4031607B2 (ja) * 2000-04-05 2008-01-09 新日本製鐵株式会社 結晶粒の粗大化を抑制した機械構造用鋼
JP4268317B2 (ja) 2000-06-09 2009-05-27 新日本製鐵株式会社 溶接部の低温靱性に優れた超高強度鋼管及びその製造方法
DE10046181C2 (de) * 2000-09-19 2002-08-01 Krupp Thyssen Nirosta Gmbh Verfahren zum Herstellen eines überwiegend aus Mn-Austenit bestehenden Stahlbands oder -blechs
AUPR047900A0 (en) 2000-09-29 2000-10-26 Bhp Steel (Jla) Pty Limited A method of producing steel
AUPR046000A0 (en) * 2000-10-02 2000-10-26 Bhp Steel (Jla) Pty Limited A method of producing steel strip
KR100470054B1 (ko) 2000-11-24 2005-02-04 주식회사 포스코 ＴｉＮ석출물과 Ｍｇ-Ｔｉ의 복합산화물을 갖는 고강도용접구조용 강재와 그 제조방법
KR100481363B1 (ko) 2000-12-15 2005-04-07 주식회사 포스코 미세한ＴｉＯ산화물과 ＴｉＮ의 석출물을 갖는 고강도용접구조용 강의 제조방법
KR100482197B1 (ko) 2000-12-16 2005-04-21 주식회사 포스코 침질처리에 의한 ＴｉＮ석출물과 미세한 ＴｉＯ산화물을갖는 고강도 용접구조용 강의 제조방법
UA76140C2 (en) 2001-04-02 2006-07-17 Nucor Corp A method for ladle refining of steel
MY134786A (en) 2001-09-14 2007-12-31 Nucor Corp Casting steel strip
US7048033B2 (en) * 2001-09-14 2006-05-23 Nucor Corporation Casting steel strip
US7485196B2 (en) * 2001-09-14 2009-02-03 Nucor Corporation Steel product with a high austenite grain coarsening temperature
US7922837B2 (en) * 2001-10-29 2011-04-12 Nippon Steel Corporation Steel sheet for vitreous enameling and method for producing the same
JP2003138340A (ja) 2001-10-31 2003-05-14 Nippon Steel Corp 溶接部靱性に優れた超高強度鋼管及びその製造方法
JP4132928B2 (ja) * 2002-04-08 2008-08-13 新日本製鐵株式会社 優れた大入熱溶接部特性と低い降伏比を有する鋼材
JP3921136B2 (ja) 2002-06-18 2007-05-30 新日本製鐵株式会社 バーリング加工性に優れた高強度高延性溶融亜鉛めっき鋼板とその製造方法
JP3887308B2 (ja) 2002-12-27 2007-02-28 新日本製鐵株式会社 高強度高延性溶融亜鉛めっき鋼板とその製造方法
US20040144518A1 (en) * 2003-01-24 2004-07-29 Blejde Walter N. Casting steel strip with low surface roughness and low porosity
CN100355928C (zh) 2003-09-29 2007-12-19 杰富意钢铁株式会社 机械构造用钢部件、其所用原料及其制造方法
JP2005213583A (ja) * 2004-01-29 2005-08-11 Cbmm Asia Co Ltd 溶接継ぎ手性能の優れた鋼及びその製造方法
US20070175608A1 (en) 2006-01-16 2007-08-02 Nucor Corporation Thin cast steel strip with reduced microcracking
WO2007079545A1 (en) * 2006-01-16 2007-07-19 Nucor Corporation Thin cast steel strip with reduced microcracking

Also Published As

Publication number Publication date
JP2015083717A (ja) 2015-04-30
JP6078216B2 (ja) 2017-02-08
EP1945392A1 (en) 2008-07-23
RU2011104055A (ru) 2012-08-10
EP1945392B1 (en) 2022-01-26
US20090191425A1 (en) 2009-07-30
DE102006049629A1 (de) 2007-05-03
NZ568183A (en) 2011-08-26
UA96580C2 (ru) 2011-11-25
JP2009511749A (ja) 2009-03-19
KR20080065294A (ko) 2008-07-11
KR101322703B1 (ko) 2013-10-25
US20070212249A1 (en) 2007-09-13
CN101340990B (zh) 2011-08-03
RU2008119827A (ru) 2009-11-27
US7485196B2 (en) 2009-02-03
US20060144553A1 (en) 2006-07-06
EP1945392A4 (en) 2015-12-02
MY145404A (en) 2012-02-15
US8002908B2 (en) 2011-08-23
CN101340990A (zh) 2009-01-07
RU2421298C2 (ru) 2011-06-20
WO2007045038A1 (en) 2007-04-26
AU2006303818B2 (en) 2011-11-03
AU2006303818A1 (en) 2007-04-26

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