ATE312208T1 - Verfahren zur herstellung von stahlrohr mit ultrafeinem gefüge - Google Patents

Verfahren zur herstellung von stahlrohr mit ultrafeinem gefüge

Info

Publication number
ATE312208T1
ATE312208T1 AT98929659T AT98929659T ATE312208T1 AT E312208 T1 ATE312208 T1 AT E312208T1 AT 98929659 T AT98929659 T AT 98929659T AT 98929659 T AT98929659 T AT 98929659T AT E312208 T1 ATE312208 T1 AT E312208T1
Authority
AT
Austria
Prior art keywords
steel pipe
thetam
tred
transformation point
fine structure
Prior art date
Application number
AT98929659T
Other languages
English (en)
Inventor
Takaaki Toyooka
Akira Yorifuji
Masanori Nishimori
Motoaki Itadani
Yuji Hashimoto
Takatoshi Okabe
Taro Kanayama
Masahiko Morita
Saiji Matsuoka
Nobuki Tanaka
Osamu Furukimi
Takaaki Hira
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
Priority claimed from JP24093097A external-priority patent/JP3896647B2/ja
Priority claimed from JP13393398A external-priority patent/JP3622499B2/ja
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Priority claimed from PCT/JP1998/002811 external-priority patent/WO1999000525A1/ja
Application granted granted Critical
Publication of ATE312208T1 publication Critical patent/ATE312208T1/de

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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C21D2201/00—Treatment for obtaining particular effects

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Metal Extraction Processes (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
AT98929659T 1997-06-26 1998-06-24 Verfahren zur herstellung von stahlrohr mit ultrafeinem gefüge ATE312208T1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP17079097 1997-06-26
JP19603897 1997-07-22
JP22331597 1997-08-20
JP22857997 1997-08-25
JP24093097A JP3896647B2 (ja) 1997-09-05 1997-09-05 加工性に優れた高強度鋼管の製造方法
JP13393398A JP3622499B2 (ja) 1997-05-15 1998-05-15 鋼管の製造方法
PCT/JP1998/002811 WO1999000525A1 (en) 1997-06-26 1998-06-24 Ultrafine-grain steel pipe and process for manufacturing the same

Publications (1)

Publication Number Publication Date
ATE312208T1 true ATE312208T1 (de) 2005-12-15

Family

ID=29716380

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98929659T ATE312208T1 (de) 1997-06-26 1998-06-24 Verfahren zur herstellung von stahlrohr mit ultrafeinem gefüge

Country Status (5)

Country Link
US (1) US20030221753A1 (de)
KR (1) KR100330432B1 (de)
AT (1) ATE312208T1 (de)
DE (1) DE69832684T2 (de)
ID (1) ID21234A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100530078B1 (ko) * 2001-12-24 2005-11-22 주식회사 포스코 파이프가공성이 우수한 인장강도 35㎏/㎟급 미니밀열연강판과 그 제조방법
US7727342B2 (en) * 2002-02-12 2010-06-01 The Timken Company Low carbon microalloyed steel
DE102014205392A1 (de) * 2014-03-24 2015-09-24 Comtes Fht A. S. Bauteile aus einer Stahllegierung und Verfahren zur Herstellung hochfester Bauteile
JP5909014B1 (ja) * 2015-06-08 2016-04-26 オリジン電気株式会社 接合部材の製造方法及び接合部材製造装置
CN109072370A (zh) * 2016-08-30 2018-12-21 新日铁住金株式会社 膨胀管用油井管

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466842A (en) * 1982-04-03 1984-08-21 Nippon Steel Corporation Ferritic steel having ultra-fine grains and a method for producing the same
DE3415590A1 (de) * 1984-04-24 1985-10-31 Mannesmann AG, 4000 Düsseldorf Verwendung eines stahls in schwefelwasserstoffhaltigen medien
CA2004548C (en) * 1988-12-05 1996-12-31 Kenji Aihara Metallic material having ultra-fine grain structure and method for its manufacture
JP2913115B2 (ja) * 1990-10-03 1999-06-28 住友金属工業株式会社 超微細組織を有する棒鋼の製造法
US5200005A (en) * 1991-02-08 1993-04-06 Mcgill University Interstitial free steels and method thereof

Also Published As

Publication number Publication date
KR100330432B1 (ko) 2002-03-27
ID21234A (id) 1999-05-06
DE69832684T2 (de) 2006-06-22
US20030221753A1 (en) 2003-12-04
KR20000068335A (ko) 2000-11-25
DE69832684D1 (de) 2006-01-12

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