DE69834932D1 - Ultrahochfeste, schweissbare stähle mit ausgezeichneter ultra-tief-temperatur zähigkeit - Google Patents

Ultrahochfeste, schweissbare stähle mit ausgezeichneter ultra-tief-temperatur zähigkeit

Info

Publication number
DE69834932D1
DE69834932D1 DE69834932T DE69834932T DE69834932D1 DE 69834932 D1 DE69834932 D1 DE 69834932D1 DE 69834932 T DE69834932 T DE 69834932T DE 69834932 T DE69834932 T DE 69834932T DE 69834932 D1 DE69834932 D1 DE 69834932D1
Authority
DE
Germany
Prior art keywords
temperature
ultra
plate
temperature range
austenite
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
DE69834932T
Other languages
English (en)
Other versions
DE69834932T2 (de
Inventor
Hiroshi Tamehiro
Hitoshi Asahi
Takuya Hara
Yoshio Terada
Michael J Luton
Jayoung Koo
Narasimha-Rao V Bangaru
Clifford W Petersen
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
ExxonMobil Upstream Research Co
Original Assignee
Nippon Steel Corp
ExxonMobil Upstream Research Co
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, ExxonMobil Upstream Research Co filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE69834932D1 publication Critical patent/DE69834932D1/de
Publication of DE69834932T2 publication Critical patent/DE69834932T2/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
    • 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
    • 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
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/14—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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

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 Steel (AREA)
  • Laminated Bodies (AREA)
DE69834932T 1997-07-28 1998-07-28 Ultrahochfeste, schweissbare stähle mit ausgezeichneter ultratief-temperaturzähigkeit Expired - Lifetime DE69834932T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5391597P 1997-07-28 1997-07-28
US53915P 1997-07-28
PCT/US1998/015921 WO1999005335A1 (en) 1997-07-28 1998-07-28 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness

Publications (2)

Publication Number Publication Date
DE69834932D1 true DE69834932D1 (de) 2006-07-27
DE69834932T2 DE69834932T2 (de) 2007-01-25

Family

ID=21987407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69834932T Expired - Lifetime DE69834932T2 (de) 1997-07-28 1998-07-28 Ultrahochfeste, schweissbare stähle mit ausgezeichneter ultratief-temperaturzähigkeit

Country Status (14)

Country Link
US (1) US6264760B1 (de)
EP (1) EP1025272B1 (de)
JP (1) JP4294854B2 (de)
KR (1) KR100375086B1 (de)
CN (2) CN1085258C (de)
AT (1) ATE330040T1 (de)
AU (1) AU736035B2 (de)
BR (1) BR9811051A (de)
CA (1) CA2295582C (de)
DE (1) DE69834932T2 (de)
ES (1) ES2264572T3 (de)
RU (1) RU2218443C2 (de)
UA (1) UA59411C2 (de)
WO (1) WO1999005335A1 (de)

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KR100851189B1 (ko) * 2006-11-02 2008-08-08 주식회사 포스코 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법
JP5251089B2 (ja) 2006-12-04 2013-07-31 新日鐵住金株式会社 低温靱性に優れた高強度厚肉ラインパイプ用溶接鋼管及びその製造方法
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JP5223379B2 (ja) * 2007-03-08 2013-06-26 新日鐵住金株式会社 低温靭性に優れるスパイラルパイプ用高強度熱延鋼板およびその製造方法
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CA2295582C (en) 2007-11-20
RU2218443C2 (ru) 2003-12-10
ES2264572T3 (es) 2007-01-01
CN1085258C (zh) 2002-05-22
CN1265709A (zh) 2000-09-06
ATE330040T1 (de) 2006-07-15
DE69834932T2 (de) 2007-01-25
EP1025272A4 (de) 2004-06-23
US6264760B1 (en) 2001-07-24
JP4294854B2 (ja) 2009-07-15
AU736035B2 (en) 2001-07-26
WO1999005335A8 (en) 1999-05-06
BR9811051A (pt) 2000-08-15
AU8676498A (en) 1999-02-16
UA59411C2 (uk) 2003-09-15
CA2295582A1 (en) 1999-02-04
EP1025272A1 (de) 2000-08-09
EP1025272B1 (de) 2006-06-14
WO1999005335A1 (en) 1999-02-04
CN1204276C (zh) 2005-06-01
CN1390960A (zh) 2003-01-15
JP2001511482A (ja) 2001-08-14
KR100375086B1 (ko) 2003-03-28

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