DE69905781T2 - Hochfeste, hochzähe Stahlprodukte und zugehöriges Herstellungsverfahren - Google Patents

Hochfeste, hochzähe Stahlprodukte und zugehöriges Herstellungsverfahren

Info

Publication number
DE69905781T2
DE69905781T2 DE69905781T DE69905781T DE69905781T2 DE 69905781 T2 DE69905781 T2 DE 69905781T2 DE 69905781 T DE69905781 T DE 69905781T DE 69905781 T DE69905781 T DE 69905781T DE 69905781 T2 DE69905781 T2 DE 69905781T2
Authority
DE
Germany
Prior art keywords
strength
manufacturing process
steel products
associated manufacturing
toughness steel
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 - Fee Related
Application number
DE69905781T
Other languages
English (en)
Other versions
DE69905781D1 (de
Inventor
Noritsugu Itakura
Mitsuhiro Okatsu
Fumimaru Kawabata
Keniti Amano
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
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of DE69905781D1 publication Critical patent/DE69905781D1/de
Application granted granted Critical
Publication of DE69905781T2 publication Critical patent/DE69905781T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling

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)
DE69905781T 1998-03-23 1999-03-23 Hochfeste, hochzähe Stahlprodukte und zugehöriges Herstellungsverfahren Expired - Fee Related DE69905781T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07394498A JP3646512B2 (ja) 1998-03-23 1998-03-23 材質ばらつきが少なくかつ溶接部低温靱性に優れた高強度高靱性鋼材およびその製造方法

Publications (2)

Publication Number Publication Date
DE69905781D1 DE69905781D1 (de) 2003-04-17
DE69905781T2 true DE69905781T2 (de) 2003-08-14

Family

ID=13532732

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69905781T Expired - Fee Related DE69905781T2 (de) 1998-03-23 1999-03-23 Hochfeste, hochzähe Stahlprodukte und zugehöriges Herstellungsverfahren

Country Status (7)

Country Link
US (2) US6299710B1 (de)
EP (1) EP0947598B1 (de)
JP (1) JP3646512B2 (de)
KR (1) KR100507008B1 (de)
CA (1) CA2266564C (de)
DE (1) DE69905781T2 (de)
TW (1) TW445298B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6436340B1 (en) * 1998-06-17 2002-08-20 Kawasaki Steel Corporation Weatherable steel material
KR100391897B1 (ko) * 2000-08-24 2003-07-16 재단법인 포항산업과학연구원 고인성 합금주강과 그 제조방법 및 이를 이용한 이중주조물
CN101082105A (zh) * 2002-03-29 2007-12-05 新日本制铁株式会社 高温强度优异的高强度钢及其制造方法
JP2004137563A (ja) * 2002-10-18 2004-05-13 Toyo Kohan Co Ltd カラー受像管用アパーチャーグリル用素材、アパーチャーグリルおよびカラー受像管
JP5223295B2 (ja) * 2006-12-26 2013-06-26 新日鐵住金株式会社 耐再熱脆化特性に優れた耐火ｈ形鋼及びその製造方法
US9023158B2 (en) * 2007-04-06 2015-05-05 Nippon Steel & Sumitomo Metal Corporation Steel material superior in high temperature characteristics and toughness and method of production of same
KR101442366B1 (ko) * 2010-02-18 2014-09-17 신닛테츠스미킨 카부시키카이샤 용접 변형이 작고 내식성이 우수한 강판
KR20140026127A (ko) * 2012-08-24 2014-03-05 삼성전기주식회사 인쇄회로기판 제조 방법
CN106917032B (zh) * 2015-12-25 2018-11-02 上海电气上重铸锻有限公司 核反应堆压力容器钢大型厚壁锻件提升低温冲击功的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132421A (en) * 1978-04-05 1979-10-15 Nippon Steel Corp Manufacture of high toughness bainite high tensile steel plate with superior weldability
DE69529147T2 (de) 1994-09-20 2003-04-17 Kawasaki Steel Co Bainitischer stahl gleichbleibender qualität und verfahren zu seiner herstellung
KR100257900B1 (ko) * 1995-03-23 2000-06-01 에모토 간지 인성이 우수한 저항복비 고강도 열연강판 및 그 제조방법

Also Published As

Publication number Publication date
TW445298B (en) 2001-07-11
KR19990078134A (ko) 1999-10-25
US6521057B1 (en) 2003-02-18
DE69905781D1 (de) 2003-04-17
CA2266564A1 (en) 1999-09-23
JP3646512B2 (ja) 2005-05-11
KR100507008B1 (ko) 2005-08-09
JPH11269602A (ja) 1999-10-05
EP0947598B1 (de) 2003-03-12
US6299710B1 (en) 2001-10-09
EP0947598A1 (de) 1999-10-06
CA2266564C (en) 2007-09-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee