JPS5776126A - Manufacture of tough steel - Google Patents

Manufacture of tough steel

Info

Publication number
JPS5776126A
JPS5776126A JP55151417A JP15141780A JPS5776126A JP S5776126 A JPS5776126 A JP S5776126A JP 55151417 A JP55151417 A JP 55151417A JP 15141780 A JP15141780 A JP 15141780A JP S5776126 A JPS5776126 A JP S5776126A
Authority
JP
Japan
Prior art keywords
steel
manufacture
melt
transformation point
tough 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.)
Granted
Application number
JP55151417A
Other languages
English (en)
Other versions
JPS601929B2 (ja
Inventor
Hiroo Matsuda
Hiroshi Tamehiro
Mamoru Ohashi
Yasumitsu Onoe
Ryo Tamuki
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
Priority to JP55151417A priority Critical patent/JPS601929B2/ja
Priority to IT8149581A priority patent/IT1171618B/it
Priority to CA000388900A priority patent/CA1182721A/en
Priority to DE19813142782 priority patent/DE3142782A1/de
Publication of JPS5776126A publication Critical patent/JPS5776126A/ja
Priority to US06/646,490 priority patent/US4591396A/en
Publication of JPS601929B2 publication Critical patent/JPS601929B2/ja
Expired 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
    • 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)
JP55151417A 1980-10-30 1980-10-30 強靭鋼の製造法 Expired JPS601929B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP55151417A JPS601929B2 (ja) 1980-10-30 1980-10-30 強靭鋼の製造法
IT8149581A IT1171618B (it) 1980-10-30 1981-10-28 Procedimento per produrre acciaio con resistenza e tenacita' elevate
CA000388900A CA1182721A (en) 1980-10-30 1981-10-28 Method of producing steel having high strength and toughness
DE19813142782 DE3142782A1 (de) 1980-10-30 1981-10-28 Verfahren zum herstellen von stahl mit hoher festigkeit und hoher zaehigkeit
US06/646,490 US4591396A (en) 1980-10-30 1984-09-04 Method of producing steel having high strength and toughness

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
JPS5776126A true JPS5776126A (en) 1982-05-13
JPS601929B2 JPS601929B2 (ja) 1985-01-18

Family

ID=15518150

Family Applications (1)

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

Country Status (5)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134514A (en) * 1981-02-12 1982-08-19 Kawasaki Steel Corp Production of high-tensile steel of superior low- temperature toughness and weldability
JPS5967315A (ja) * 1982-07-09 1984-04-17 マネスマン・アクチエンゲゼルシヤフト 溶接可能な微粒子の大型管鋼板の製造方法
JPS6067621A (ja) * 1983-09-22 1985-04-18 Kawasaki Steel Corp 非調質高張力鋼の製造方法
JP2002317242A (ja) * 2001-04-19 2002-10-31 Nkk Corp 溶接熱影響部靭性の優れた低温用溶接構造用高張力鋼

Families Citing this family (18)

* 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
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
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
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
EP1541252B1 (en) * 2002-05-24 2011-05-18 Nippon Steel Corporation Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe
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
US7736447B2 (en) * 2003-12-19 2010-06-15 Nippon Steel Corporation Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereof
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
JP5137032B2 (ja) * 2006-03-16 2013-02-06 新日鐵住金株式会社 サブマージアーク溶接用鋼板
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
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
JPS54132421A (en) * 1978-04-05 1979-10-15 Nippon Steel Corp Manufacture of high toughness bainite high tensile steel plate with superior weldability

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134514A (en) * 1981-02-12 1982-08-19 Kawasaki Steel Corp Production of high-tensile steel of superior low- temperature toughness and weldability
JPS6155572B2 (ja) * 1981-02-12 1986-11-28 Kawasaki Steel Co
JPS5967315A (ja) * 1982-07-09 1984-04-17 マネスマン・アクチエンゲゼルシヤフト 溶接可能な微粒子の大型管鋼板の製造方法
JPS6067621A (ja) * 1983-09-22 1985-04-18 Kawasaki Steel Corp 非調質高張力鋼の製造方法
JPS626730B2 (ja) * 1983-09-22 1987-02-13 Kawasaki Steel Co
JP2002317242A (ja) * 2001-04-19 2002-10-31 Nkk Corp 溶接熱影響部靭性の優れた低温用溶接構造用高張力鋼

Also Published As

Publication number Publication date
DE3142782A1 (de) 1982-07-01
DE3142782C2 (ja) 1988-04-14
CA1182721A (en) 1985-02-19
JPS601929B2 (ja) 1985-01-18
IT1171618B (it) 1987-06-10
US4591396A (en) 1986-05-27
IT8149581A0 (it) 1981-10-28

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