JPS58174523A - 極細粒高強度熱間加工鋼材の製造法 - Google Patents

極細粒高強度熱間加工鋼材の製造法

Info

Publication number
JPS58174523A
JPS58174523A JP5564982A JP5564982A JPS58174523A JP S58174523 A JPS58174523 A JP S58174523A JP 5564982 A JP5564982 A JP 5564982A JP 5564982 A JP5564982 A JP 5564982A JP S58174523 A JPS58174523 A JP S58174523A
Authority
JP
Japan
Prior art keywords
steel
cooling
temperature range
fine
hot
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
JP5564982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS627247B2 (pt
Inventor
Hiroshi Yada
浩 矢田
Giichi Matsumura
義一 松村
Nobuhiko Matsuzu
松津　伸彦
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 JP5564982A priority Critical patent/JPS58174523A/ja
Priority to US06/481,453 priority patent/US4466842A/en
Priority to FR8305500A priority patent/FR2524493B1/fr
Priority to DE3312257A priority patent/DE3312257A1/de
Publication of JPS58174523A publication Critical patent/JPS58174523A/ja
Publication of JPS627247B2 publication Critical patent/JPS627247B2/ja
Granted 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
    • 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
    • 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
    • C21D2211/008—Martensite

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)
JP5564982A 1982-04-03 1982-04-03 極細粒高強度熱間加工鋼材の製造法 Granted JPS58174523A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5564982A JPS58174523A (ja) 1982-04-03 1982-04-03 極細粒高強度熱間加工鋼材の製造法
US06/481,453 US4466842A (en) 1982-04-03 1983-04-01 Ferritic steel having ultra-fine grains and a method for producing the same
FR8305500A FR2524493B1 (fr) 1982-04-03 1983-04-05 Acier ferritique a grains ultra-fins et son procede de production
DE3312257A DE3312257A1 (de) 1982-04-03 1983-04-05 Ferritischer stahl mit ultrafeinem korn und verfahren zu dessen herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5564982A JPS58174523A (ja) 1982-04-03 1982-04-03 極細粒高強度熱間加工鋼材の製造法

Publications (2)

Publication Number Publication Date
JPS58174523A true JPS58174523A (ja) 1983-10-13
JPS627247B2 JPS627247B2 (pt) 1987-02-16

Family

ID=13004669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5564982A Granted JPS58174523A (ja) 1982-04-03 1982-04-03 極細粒高強度熱間加工鋼材の製造法

Country Status (1)

Country Link
JP (1) JPS58174523A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107023A (ja) * 1982-12-09 1984-06-21 Nippon Steel Corp 極細粒熱延鋼板の製造方法
EP1136575A1 (en) * 1999-08-10 2001-09-26 Nkk Corporation Method of producing cold rolled steel sheet

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4552731B2 (ja) * 2005-03-30 2010-09-29 Ｊｆｅスチール株式会社 鋼帯の熱間圧延方法
JP5646261B2 (ja) 2010-09-22 2014-12-24 三菱日立製鉄機械株式会社 熱延鋼帯の冷却装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143717A (en) * 1978-05-01 1979-11-09 Kawasaki Steel Co Continuous heat treatment of high carbon steel for high processed cold drawing
JPS5672127A (en) * 1979-11-17 1981-06-16 Nippon Steel Corp Manufacture of low yield ratio complex structure high tension steel having excellent ductility
JPS5681620A (en) * 1979-12-05 1981-07-03 Nippon Steel Corp Production of tin base low yield ratio composite structure high tensile steel plate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143717A (en) * 1978-05-01 1979-11-09 Kawasaki Steel Co Continuous heat treatment of high carbon steel for high processed cold drawing
JPS5672127A (en) * 1979-11-17 1981-06-16 Nippon Steel Corp Manufacture of low yield ratio complex structure high tension steel having excellent ductility
JPS5681620A (en) * 1979-12-05 1981-07-03 Nippon Steel Corp Production of tin base low yield ratio composite structure high tensile steel plate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107023A (ja) * 1982-12-09 1984-06-21 Nippon Steel Corp 極細粒熱延鋼板の製造方法
JPS625212B2 (pt) * 1982-12-09 1987-02-03 Nippon Steel Corp
EP1136575A1 (en) * 1999-08-10 2001-09-26 Nkk Corporation Method of producing cold rolled steel sheet
EP1136575A4 (en) * 1999-08-10 2008-04-23 Jfe Steel Corp PROCESS FOR PRODUCING COLD LAMINATED STEEL STRIPS

Also Published As

Publication number Publication date
JPS627247B2 (pt) 1987-02-16

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