IT1171618B - Procedimento per produrre acciaio con resistenza e tenacita' elevate - Google Patents

Procedimento per produrre acciaio con resistenza e tenacita' elevate

Info

Publication number
IT1171618B
IT1171618B IT8149581A IT4958181A IT1171618B IT 1171618 B IT1171618 B IT 1171618B IT 8149581 A IT8149581 A IT 8149581A IT 4958181 A IT4958181 A IT 4958181A IT 1171618 B IT1171618 B IT 1171618B
Authority
IT
Italy
Prior art keywords
procedure
strength
high resistance
producing steel
steel
Prior art date
Application number
IT8149581A
Other languages
English (en)
Other versions
IT8149581A0 (it
Inventor
Hiroo Mazuda
Hiroshi Tamehiro
Mamoru Ohashi
Yasumitsu Onoe
Shinogu Tamukai
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 IT8149581A0 publication Critical patent/IT8149581A0/it
Application granted granted Critical
Publication of IT1171618B publication Critical patent/IT1171618B/it

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
    • 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
    • C21D2211/005—Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
IT8149581A 1980-10-30 1981-10-28 Procedimento per produrre acciaio con resistenza e tenacita' elevate IT1171618B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151417A JPS601929B2 (ja) 1980-10-30 1980-10-30 強靭鋼の製造法

Publications (2)

Publication Number Publication Date
IT8149581A0 IT8149581A0 (it) 1981-10-28
IT1171618B true IT1171618B (it) 1987-06-10

Family

ID=15518150

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8149581A IT1171618B (it) 1980-10-30 1981-10-28 Procedimento per produrre acciaio con resistenza e tenacita' elevate

Country Status (5)

Country Link
US (1) US4591396A (it)
JP (1) JPS601929B2 (it)
CA (1) CA1182721A (it)
DE (1) DE3142782A1 (it)
IT (1) IT1171618B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792129A (en) * 1980-11-27 1982-06-08 Nippon Steel Corp Production of nonrefined high toughness steel
JPS57134514A (en) * 1981-02-12 1982-08-19 Kawasaki Steel Corp Production of high-tensile steel of superior low- temperature toughness and weldability
JPS5877528A (ja) * 1981-10-31 1983-05-10 Nippon Steel Corp 低温靭性の優れた高張力鋼の製造法
CS330783A2 (en) * 1982-07-09 1984-06-18 Mannesmann Ag Zpusob vyroby plechu s jemnozrnnou strukturou z nizce legovane oceli pro vyrobu trub velkeho prumeru
JPS6067621A (ja) * 1983-09-22 1985-04-18 Kawasaki Steel Corp 非調質高張力鋼の製造方法
JPS6123715A (ja) * 1984-07-10 1986-02-01 Nippon Steel Corp 高張力高靭性鋼板の製造法
US4720307A (en) * 1985-05-17 1988-01-19 Nippon Kokan Kabushiki Kaisha Method for producing high strength steel excellent in properties after warm working
JPH0696742B2 (ja) * 1987-10-29 1994-11-30 日本鋼管株式会社 高強度・高靭性非調質鋼の製造方法
CA1320110C (en) * 1988-06-13 1993-07-13 Hiroshi Tamehiro Process for manufacturing building construction steel having excellent fire resistance and low yield ratio, and construction steel material
JPH0794687B2 (ja) * 1989-03-29 1995-10-11 新日本製鐵株式会社 高溶接性、耐応力腐食割れ性および低温靭性にすぐれたｈｔ８０鋼の製造方法
JP2760713B2 (ja) * 1992-09-24 1998-06-04 新日本製鐵株式会社 耐火性及び靱性の優れた制御圧延形鋼の製造方法
FR2728591B1 (fr) * 1994-12-27 1997-01-24 Lorraine Laminage Acier a soudabilite amelioree
JPH1017986A (ja) 1996-06-28 1998-01-20 Nippon Steel Corp パイプラインの耐外面ｓｃｃ特性に優れた鋼
CA2231985C (en) * 1997-03-26 2004-05-25 Sumitomo Metal Industries, Ltd. Welded high-strength steel structures and methods of manufacturing the same
JP5145616B2 (ja) * 2001-04-19 2013-02-20 Ｊｆｅスチール株式会社 溶接熱影響部靭性の優れた低温用溶接構造用高張力鋼
JP3869747B2 (ja) * 2002-04-09 2007-01-17 新日本製鐵株式会社 変形性能に優れた高強度鋼板、高強度鋼管および製造方法
US7892368B2 (en) * 2002-05-24 2011-02-22 Nippon Steel Corporation UOE steel pipe excellent in collapse strength and method of production thereof
CA2415573C (en) * 2003-01-02 2007-11-13 Sumitomo Metal Industries, Ltd. High strength steel weld having improved resistance to cold cracking and a welding method
KR20080082015A (ko) * 2003-12-19 2008-09-10 신닛뽄세이테쯔 카부시키카이샤 초고강도 라인파이프용 강판 및 우수한 저온 인성을 갖는 초고강도 라인파이프, 및 그 제조 방법
JP4997805B2 (ja) * 2005-03-31 2012-08-08 Ｊｆｅスチール株式会社 高強度厚鋼板およびその製造方法、ならびに高強度鋼管
EP1995339B1 (en) * 2006-03-16 2017-10-18 Nippon Steel & Sumitomo Metal Corporation Steel sheet for submerged arc welding
JP5439887B2 (ja) * 2008-03-31 2014-03-12 Ｊｆｅスチール株式会社 高張力鋼およびその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA952415A (en) * 1970-05-20 1974-08-06 Eiji Miyoshi Process and apparatus for manufacture of strong tough steel plates
JPS52128821A (en) * 1976-04-12 1977-10-28 Nippon Steel Corp Preparation of high tensile steel having superior low temperature toughness and yield point above 40 kg/pp2
US4138278A (en) * 1976-08-27 1979-02-06 Nippon Steel Corporation Method for producing a steel sheet having remarkably excellent toughness at low temperatures
JPS5421917A (en) * 1977-07-20 1979-02-19 Nippon Kokan Kk <Nkk> Method of manufacturing non-quenched high-tensile steel having high toughness
JPS5431019A (en) * 1977-08-12 1979-03-07 Kawasaki Steel Co Steel material having good resistance to hydrogenninduceddcracking
JPS5818410B2 (ja) * 1977-12-06 1983-04-13 新日本製鐵株式会社 高延性低降伏比熱延高張力薄鋼板の製造方法
JPS54132421A (en) * 1978-04-05 1979-10-15 Nippon Steel Corp Manufacture of high toughness bainite high tensile steel plate with superior weldability
JPS5827329B2 (ja) * 1978-04-05 1983-06-08 新日本製鐵株式会社 延性に優れた低降伏比型高張力熱延鋼板の製造方法

Also Published As

Publication number Publication date
DE3142782C2 (it) 1988-04-14
JPS5776126A (en) 1982-05-13
JPS601929B2 (ja) 1985-01-18
DE3142782A1 (de) 1982-07-01
CA1182721A (en) 1985-02-19
IT8149581A0 (it) 1981-10-28
US4591396A (en) 1986-05-27

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