JPS5322812A - Production of high strength cold rolled steel plate having excellent workabi lity - Google Patents

Production of high strength cold rolled steel plate having excellent workabi lity

Info

Publication number
JPS5322812A
JPS5322812A JP9747776A JP9747776A JPS5322812A JP S5322812 A JPS5322812 A JP S5322812A JP 9747776 A JP9747776 A JP 9747776A JP 9747776 A JP9747776 A JP 9747776A JP S5322812 A JPS5322812 A JP S5322812A
Authority
JP
Japan
Prior art keywords
steel plate
workabi
lity
production
high strength
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
JP9747776A
Other languages
Japanese (ja)
Other versions
JPS5943531B2 (en
Inventor
Tetsuhiro Hayamizu
Takashi Furukawa
Nagayasu Takemoto
Yukio Kitajima
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 JP9747776A priority Critical patent/JPS5943531B2/en
Publication of JPS5322812A publication Critical patent/JPS5322812A/en
Publication of JPS5943531B2 publication Critical patent/JPS5943531B2/en
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

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)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

PURPOSE:To produce steel plate of prescribed property by use of only a small amount of expensive elements, by winding steel of prescribed composition at a prescribed temperature range after hot rolling, and by specific annealing and cooling after cold rolling.
JP9747776A 1976-08-17 1976-08-17 Manufacturing method for high-strength cold-rolled steel sheets with excellent workability Expired JPS5943531B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9747776A JPS5943531B2 (en) 1976-08-17 1976-08-17 Manufacturing method for high-strength cold-rolled steel sheets with excellent workability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9747776A JPS5943531B2 (en) 1976-08-17 1976-08-17 Manufacturing method for high-strength cold-rolled steel sheets with excellent workability

Publications (2)

Publication Number Publication Date
JPS5322812A true JPS5322812A (en) 1978-03-02
JPS5943531B2 JPS5943531B2 (en) 1984-10-23

Family

ID=14193364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9747776A Expired JPS5943531B2 (en) 1976-08-17 1976-08-17 Manufacturing method for high-strength cold-rolled steel sheets with excellent workability

Country Status (1)

Country Link
JP (1) JPS5943531B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163721A (en) * 1978-06-16 1979-12-26 Nippon Steel Corp Production of composite textured cold rolling steel panel with tensile strength 35550 kg mm2 * yield ratio below60 * and high extensibility
JPS5531159A (en) * 1978-08-26 1980-03-05 Sumitomo Metal Ind Ltd Manufacture of high strength cold rolled steel plate for press working
JPS56108831A (en) * 1980-02-04 1981-08-28 Nisshin Steel Co Ltd Manufacture of low yield ratio, high tensile strength steel sheet plated with molten aluminum
WO2009125874A1 (en) 2008-04-10 2009-10-15 新日本製鐵株式会社 High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163721A (en) * 1978-06-16 1979-12-26 Nippon Steel Corp Production of composite textured cold rolling steel panel with tensile strength 35550 kg mm2 * yield ratio below60 * and high extensibility
JPS5836650B2 (en) * 1978-06-16 1983-08-10 新日本製鐵株式会社 Method for producing a composite cold-rolled steel sheet having a tensile strength of 35 to 50 Kg/mm↑2, a yield ratio of less than 60%, and high elongation
JPS5531159A (en) * 1978-08-26 1980-03-05 Sumitomo Metal Ind Ltd Manufacture of high strength cold rolled steel plate for press working
JPS56108831A (en) * 1980-02-04 1981-08-28 Nisshin Steel Co Ltd Manufacture of low yield ratio, high tensile strength steel sheet plated with molten aluminum
JPH0152449B2 (en) * 1980-02-04 1989-11-08 Nisshin Steel Co Ltd
WO2009125874A1 (en) 2008-04-10 2009-10-15 新日本製鐵株式会社 High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both
US8460481B2 (en) 2008-04-10 2013-06-11 Nippon Steel & Sumitomo Metal Corporation High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets

Also Published As

Publication number Publication date
JPS5943531B2 (en) 1984-10-23

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