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DE69920847D1 - Warmgewalztes Stahlblech mit ultrafeinem Korngefüge und Verfahren zu dessen Herstellung - Google Patents

Warmgewalztes Stahlblech mit ultrafeinem Korngefüge und Verfahren zu dessen Herstellung

Info

Publication number
DE69920847D1
DE69920847D1 DE69920847T DE69920847T DE69920847D1 DE 69920847 D1 DE69920847 D1 DE 69920847D1 DE 69920847 T DE69920847 T DE 69920847T DE 69920847 T DE69920847 T DE 69920847T DE 69920847 D1 DE69920847 D1 DE 69920847D1
Authority
DE
Germany
Prior art keywords
steel sheet
phase
less
rolled steel
grain structure
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.)
Expired - Lifetime
Application number
DE69920847T
Other languages
English (en)
Other versions
DE69920847T2 (de
Inventor
Eiko Yasuhara
Akio Tosaka
Osamu Furukimi
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.)
JFE Steel Corp
Original Assignee
JFE 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18108243&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69920847(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Application granted granted Critical
Publication of DE69920847D1 publication Critical patent/DE69920847D1/de
Publication of DE69920847T2 publication Critical patent/DE69920847T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • C21D8/0221—Modifying the physical properties 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B21B27/106—Heating the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
DE69920847T 1998-11-10 1999-11-04 Warmgewalztes Stahlblech mit ultrafeinem Korngefüge und Verfahren zu dessen Herstellung Expired - Lifetime DE69920847T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31926298 1998-11-10
JP10319262A JP3039862B1 (ja) 1998-11-10 1998-11-10 超微細粒を有する加工用熱延鋼板

Publications (2)

Publication Number Publication Date
DE69920847D1 true DE69920847D1 (de) 2004-11-11
DE69920847T2 DE69920847T2 (de) 2005-02-10

Family

ID=18108243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920847T Expired - Lifetime DE69920847T2 (de) 1998-11-10 1999-11-04 Warmgewalztes Stahlblech mit ultrafeinem Korngefüge und Verfahren zu dessen Herstellung

Country Status (11)

Country Link
US (2) US6290784B1 (de)
EP (1) EP1001041B1 (de)
JP (1) JP3039862B1 (de)
KR (1) KR100543828B1 (de)
CN (1) CN1104506C (de)
AT (1) ATE278812T1 (de)
AU (1) AU759827B2 (de)
BR (1) BR9905318A (de)
CA (1) CA2288426C (de)
DE (1) DE69920847T2 (de)
TW (1) TW473549B (de)

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JP2002173738A (ja) * 2000-12-06 2002-06-21 Nkk Corp 高加工性高張力熱延鋼板
JP4085583B2 (ja) 2001-02-27 2008-05-14 Ｊｆｅスチール株式会社 高強度冷延溶融亜鉛メッキ鋼板およびその製造方法
JP4062961B2 (ja) * 2001-06-07 2008-03-19 Ｊｆｅスチール株式会社 耐型かじり性および耐疲労特性に優れた高張力熱延鋼板およびその製造方法
KR100467942B1 (ko) * 2001-06-08 2005-01-24 김용석 Ｃｇｐ법에 의한 고강도 초미세립 알루미늄 합금 판재의제조방법
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CN109536846B (zh) * 2017-09-21 2020-12-08 上海梅山钢铁股份有限公司 屈服强度700MPa级高韧性热轧钢板及其制造方法
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Also Published As

Publication number Publication date
AU759827B2 (en) 2003-05-01
ATE278812T1 (de) 2004-10-15
US6290784B1 (en) 2001-09-18
US20010004910A1 (en) 2001-06-28
JP3039862B1 (ja) 2000-05-08
EP1001041B1 (de) 2004-10-06
CN1257933A (zh) 2000-06-28
CN1104506C (zh) 2003-04-02
JP2000144316A (ja) 2000-05-26
CA2288426A1 (en) 2000-05-10
AU5933199A (en) 2000-05-11
BR9905318A (pt) 2000-09-05
KR20000035297A (ko) 2000-06-26
TW473549B (en) 2002-01-21
DE69920847T2 (de) 2005-02-10
CA2288426C (en) 2006-12-19
EP1001041A1 (de) 2000-05-17
KR100543828B1 (ko) 2006-01-23

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