DE69521264D1 - Stahlplatte mit hervorragenden Sprödbrucheigenschaften und Tieftemperaturbeständigkeit und Verfahren zu deren Herstellung - Google Patents

Stahlplatte mit hervorragenden Sprödbrucheigenschaften und Tieftemperaturbeständigkeit und Verfahren zu deren Herstellung

Info

Publication number
DE69521264D1
DE69521264D1 DE69521264T DE69521264T DE69521264D1 DE 69521264 D1 DE69521264 D1 DE 69521264D1 DE 69521264 T DE69521264 T DE 69521264T DE 69521264 T DE69521264 T DE 69521264T DE 69521264 D1 DE69521264 D1 DE 69521264D1
Authority
DE
Germany
Prior art keywords
production
steel plate
low temperature
temperature resistance
brittle fracture
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
DE69521264T
Other languages
English (en)
Other versions
DE69521264T2 (de
Inventor
Toshiei Hasegawa
Tadashi Ishikawa
Yuji Nomiyama
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
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of DE69521264D1 publication Critical patent/DE69521264D1/de
Application granted granted Critical
Publication of DE69521264T2 publication Critical patent/DE69521264T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
DE69521264T 1994-03-29 1995-03-29 Stahlplatte mit hervorragenden Sprödbrucheigenschaften und Tieftemperaturbeständigkeit und Verfahren zu deren Herstellung Expired - Lifetime DE69521264T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5955494 1994-03-29
JP39995 1995-01-05
PCT/JP1995/000602 WO1995026424A1 (fr) 1994-03-29 1995-03-29 Tole grosse d'acier presentant d'excellentes caracteristiques sur le plan de la prevention de la propagation des criques et de la durete a basse temperature et procede d'elaboration de cette tole

Publications (2)

Publication Number Publication Date
DE69521264D1 true DE69521264D1 (de) 2001-07-19
DE69521264T2 DE69521264T2 (de) 2001-10-18

Family

ID=26333381

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521264T Expired - Lifetime DE69521264T2 (de) 1994-03-29 1995-03-29 Stahlplatte mit hervorragenden Sprödbrucheigenschaften und Tieftemperaturbeständigkeit und Verfahren zu deren Herstellung

Country Status (6)

Country Link
US (1) US6090226A (de)
EP (1) EP0709480B1 (de)
JP (1) JP3845113B2 (de)
KR (1) KR0165151B1 (de)
DE (1) DE69521264T2 (de)
WO (1) WO1995026424A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735498B1 (fr) * 1995-06-15 1997-07-11 Lorraine Laminage Procede de realisation d'une bande de tole d'acier laminee a chaud a haute limite d'elasticite utlisable notamment pour la mise en forme
EP0945522B1 (de) * 1997-09-11 2005-04-13 JFE Steel Corporation Verfahren zur herstellung ultrafeinkörnigen warmgewalzten stahlblechs
US7727342B2 (en) * 2002-02-12 2010-06-01 The Timken Company Low carbon microalloyed steel
JP4267367B2 (ja) * 2002-06-19 2009-05-27 新日本製鐵株式会社 原油油槽用鋼およびその製造方法、原油油槽およびその防食方法
JP5087966B2 (ja) * 2007-03-28 2012-12-05 Ｊｆｅスチール株式会社 表面品質および延性亀裂伝播特性に優れる熱延鋼板の製造方法
JP4326020B1 (ja) * 2008-03-28 2009-09-02 株式会社神戸製鋼所 耐応力除去焼鈍特性と低温継手靭性に優れた高強度鋼板
KR100987347B1 (ko) * 2008-06-23 2010-10-12 동국제강주식회사 고강도 저항복비 철근의 제조방법
JP5176847B2 (ja) * 2008-10-03 2013-04-03 新日鐵住金株式会社 低降伏比低温用鋼、およびその製造方法
JP5759109B2 (ja) * 2010-03-09 2015-08-05 株式会社神戸製鋼所 脆性亀裂伝播停止特性に優れた鋼材、およびその製造方法
CN102890027B (zh) * 2012-09-29 2014-12-03 攀钢集团攀枝花钢铁研究院有限公司 一种含Ti的无间隙原子钢冷轧薄板金相组织显示方法
WO2014132627A1 (ja) * 2013-02-28 2014-09-04 Ｊｆｅスチール株式会社 厚鋼板及び厚鋼板の製造方法
KR101499939B1 (ko) * 2013-04-10 2015-03-06 동국제강주식회사 고강도 고인성 후강판 및 그의 제조 방법
CN107109592A (zh) 2014-12-24 2017-08-29 Posco公司 耐脆性裂纹扩展性优异的高强度钢材及其制造方法
KR101819356B1 (ko) * 2016-08-08 2018-01-17 주식회사 포스코 취성균열전파 저항성이 우수한 극후물 강재 및 그 제조방법
KR101999015B1 (ko) 2017-12-24 2019-07-10 주식회사 포스코 취성균열 전파 저항성이 우수한 구조용 강재 및 그 제조방법
KR101999022B1 (ko) 2017-12-26 2019-07-10 주식회사 포스코 피로균열 전파 억제 특성이 우수한 구조용 고강도 강재 및 그 제조방법
US12037667B2 (en) 2018-10-26 2024-07-16 Posco Co., Ltd High-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same
JP7369063B2 (ja) * 2020-03-06 2023-10-25 ジヤトコ株式会社 機械構造用合金鋼材の旧オーステナイト粒界の現出方法
CN114410936A (zh) * 2021-12-31 2022-04-29 苏州大学 一种止裂钢材及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773500A (en) * 1970-03-26 1973-11-20 Nippon Steel Corp High tensile steel for large heat-input automatic welding and production process therefor
JPH064903B2 (ja) * 1985-04-09 1994-01-19 新日本製鐵株式会社 脆性き裂伝播停止特性の優れた厚鋼板およびその製造法
JPH07100814B2 (ja) * 1990-09-28 1995-11-01 新日本製鐵株式会社 脆性亀裂伝播停止特性と低温靭性の優れた鋼板の製造方法
JP3359349B2 (ja) * 1992-03-25 2002-12-24 新日本製鐵株式会社 耐脆性破壊特性の優れた構造用鋼
JPH05271861A (ja) * 1992-03-25 1993-10-19 Nippon Steel Corp 脆性破壊伝播停止特性の良い溶接用構造用鋼とその製造方法
JP2807592B2 (ja) * 1992-03-25 1998-10-08 新日本製鐵株式会社 耐脆性破壊特性の良好な構造用鋼板の製造方法
JPH05295431A (ja) * 1992-04-20 1993-11-09 Nippon Steel Corp 高靭性厚板の製造方法
JPH05295432A (ja) * 1992-04-21 1993-11-09 Nkk Corp オンライン加工熱処理による高強度高靭性鋼板の製造方法
US5326527A (en) * 1992-09-08 1994-07-05 Bethlehem Steel Corporation Titanium-bearing low-cost structural steel
JP3314833B2 (ja) * 1993-10-18 2002-08-19 新日本製鐵株式会社 加工性の優れた冷延鋼板及びその製造方法

Also Published As

Publication number Publication date
WO1995026424A1 (fr) 1995-10-05
EP0709480A4 (de) 1996-07-17
JP3845113B2 (ja) 2006-11-15
EP0709480A1 (de) 1996-05-01
DE69521264T2 (de) 2001-10-18
EP0709480B1 (de) 2001-06-13
US6090226A (en) 2000-07-18
KR0165151B1 (ko) 1999-01-15

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