SE8008247L - KIT FOR MANUFACTURE OF HOGHALL-FIXED COLD-ROLLED STEEL PLATE, SHOWING DOUBLE-PHASE STRUCTURE AND IMPROVED WORKABILITY - Google Patents

KIT FOR MANUFACTURE OF HOGHALL-FIXED COLD-ROLLED STEEL PLATE, SHOWING DOUBLE-PHASE STRUCTURE AND IMPROVED WORKABILITY

Info

Publication number
SE8008247L
SE8008247L SE8008247A SE8008247A SE8008247L SE 8008247 L SE8008247 L SE 8008247L SE 8008247 A SE8008247 A SE 8008247A SE 8008247 A SE8008247 A SE 8008247A SE 8008247 L SE8008247 L SE 8008247L
Authority
SE
Sweden
Prior art keywords
rolled steel
hoghall
kit
manufacture
steel plate
Prior art date
Application number
SE8008247A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE441278C (en
SE441278B (en
Inventor
O Akisue
T Yamada
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 SE8008247L publication Critical patent/SE8008247L/en
Publication of SE441278B publication Critical patent/SE441278B/en
Publication of SE441278C publication Critical patent/SE441278C/en

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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0447—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents

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 Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

A process for producing a high tensile steel sheet having excellent working properties, in which the cold rolled steel sheet is subjected to continuous annealing comprising soaking the sheet at a temperature between 730 and 800 DEG C for not less than 20 seconds, and then cooling the sheet to 250 DEG C or below with a cooling rate ranging from 30 to 300 DEG C/sec. The steel sheet obtained by the present invention is especially suitable for automobile car bodies. The steel contains in wt% <IMAGE>
SE8008247A 1979-11-27 1980-11-25 SET FOR MANUFACTURE OF HOGHALL FIXED, COLD ROLLED STEEL PLATE SE441278C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15339179A JPS5677329A (en) 1979-11-27 1979-11-27 Production of composite structure high tensile cold-rolled steel plate of superior workability

Publications (3)

Publication Number Publication Date
SE8008247L true SE8008247L (en) 1981-05-28
SE441278B SE441278B (en) 1985-09-23
SE441278C SE441278C (en) 1987-05-04

Family

ID=15561454

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8008247A SE441278C (en) 1979-11-27 1980-11-25 SET FOR MANUFACTURE OF HOGHALL FIXED, COLD ROLLED STEEL PLATE

Country Status (10)

Country Link
JP (1) JPS5677329A (en)
BE (1) BE886350A (en)
BR (1) BR8007714A (en)
CA (1) CA1142069A (en)
DE (1) DE3044339C2 (en)
FR (1) FR2470163A1 (en)
GB (1) GB2066852B (en)
IT (1) IT1134491B (en)
NL (1) NL184790C (en)
SE (1) SE441278C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0674487B2 (en) * 1986-11-28 1994-09-21 新日本製鐵株式会社 High toughness electric resistance welded steel pipe with excellent saw resistance
JPS644429A (en) * 1987-06-26 1989-01-09 Nippon Steel Corp Manufacture of high-strength cold-rolled steel sheet with high (r) value
JP2531591Y2 (en) * 1991-03-19 1997-04-02 株式会社ノダ Fire door
CN104388816A (en) * 2014-10-29 2015-03-04 江苏沙钢集团有限公司 A low-carbon steel plate with ultra-low yield ratio and its manufacturing method
CN106480305A (en) * 2015-08-24 2017-03-08 鞍钢股份有限公司 Production method for improving decarburization efficiency of cold-rolled electrical steel
CN106480282A (en) * 2015-08-24 2017-03-08 鞍钢股份有限公司 Production method of non-oriented high-efficiency electrical steel
CN106480281A (en) * 2015-08-24 2017-03-08 鞍钢股份有限公司 Production method of high magnetic induction oriented electrical steel
CN111826507B (en) * 2020-06-19 2021-12-03 华菱安赛乐米塔尔汽车板有限公司 Production process of steel with ultrahigh yield ratio

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443453B2 (en) * 1973-07-25 1979-12-20
JPS5619380B2 (en) * 1973-08-11 1981-05-07
JPS5157623A (en) * 1974-11-18 1976-05-20 Nippon Kokan Kk Takaitosoyakitsukekokaseitosugureta hijikoseiomotsukochoryokureienkohanno seizohoho
US4033789A (en) * 1976-03-19 1977-07-05 Jones & Laughlin Steel Corporation Method of producing a high strength steel having uniform elongation
BE846024A (en) * 1976-09-09 1977-03-09 PROCESS FOR THE CONTINUOUS THERMAL TREATMENT OF SHEETS
JPS5827329B2 (en) * 1978-04-05 1983-06-08 新日本製鐵株式会社 Manufacturing method of low yield ratio high tensile strength hot rolled steel sheet with excellent ductility

Also Published As

Publication number Publication date
NL184790C (en) 1989-11-01
SE441278C (en) 1987-05-04
SE441278B (en) 1985-09-23
IT8026281A0 (en) 1980-11-27
BE886350A (en) 1981-03-16
DE3044339A1 (en) 1981-07-02
IT1134491B (en) 1986-08-13
CA1142069A (en) 1983-03-01
NL8006404A (en) 1981-07-01
FR2470163B1 (en) 1985-04-19
GB2066852B (en) 1983-03-23
GB2066852A (en) 1981-07-15
FR2470163A1 (en) 1981-05-29
JPS5677329A (en) 1981-06-25
NL184790B (en) 1989-06-01
BR8007714A (en) 1981-06-09
DE3044339C2 (en) 1987-01-08

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