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JPS5531159A - Manufacture of high strength cold rolled steel plate for press working - Google Patents

Manufacture of high strength cold rolled steel plate for press working

Info

Publication number
JPS5531159A
JPS5531159A JP10417278A JP10417278A JPS5531159A JP S5531159 A JPS5531159 A JP S5531159A JP 10417278 A JP10417278 A JP 10417278A JP 10417278 A JP10417278 A JP 10417278A JP S5531159 A JPS5531159 A JP S5531159A
Authority
JP
Japan
Prior art keywords
cold rolled
manufacture
high strength
steel plate
rolled
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.)
Pending
Application number
JP10417278A
Other languages
Japanese (ja)
Inventor
Masashi Takahashi
Atsuki Okamoto
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
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP10417278A priority Critical patent/JPS5531159A/en
Priority to IT68708/79A priority patent/IT1121469B/en
Priority to GB8013072A priority patent/GB2039951B/en
Priority to PCT/JP1979/000227 priority patent/WO1980000456A1/en
Priority to DE2953072A priority patent/DE2953072C1/en
Priority to EP79901046A priority patent/EP0016846B1/en
Publication of JPS5531159A publication Critical patent/JPS5531159A/en
Pending 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
    • C21D8/0236—Cold 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

PURPOSE: To manufacture a cold rolled steel plate with high strength and superior press workability by hot rolling Mn stel of restricted sol. Al and N contents followed by coiling at a suitable temp., cold rolling, annealing and temper rolling under restricted conditions.
CONSTITUTION: Steel consising of C 0.005W0.080%, Si≤0.30%,Mn 1.6W3.5%, sol. Al 0.02W0.08%, N 0.005W0.020%, and the balance Fe and inevitable impurities is hot rolled, coiled at below 600°C, cold rolled at a reduction ratio above 30%, and annealed by soaking at 660W750°C for more than 30 min, and so on. After being annealed the plate may be temper-rolled at a reduction ratio below 0.5%. By these treatments the grains of the cold rolled plate are made appropriate, and the γ-value is enhanced. The annealing relieves a strain and provides a ferrite+ martensite two phase structure, resulting in high dent resistance.
COPYRIGHT: (C)1980,JPO&Japio
JP10417278A 1978-08-26 1978-08-26 Manufacture of high strength cold rolled steel plate for press working Pending JPS5531159A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP10417278A JPS5531159A (en) 1978-08-26 1978-08-26 Manufacture of high strength cold rolled steel plate for press working
IT68708/79A IT1121469B (en) 1978-08-26 1979-08-24 PROCEDURE FOR THE PRODUCTION OF COLD LAMINATED STEEL SHEET OF HIGH RESISTANCE WITH IMPROVED PRESS SHAPING CAPACITY
GB8013072A GB2039951B (en) 1978-08-26 1979-08-25 Process for producing high strength cold rolled steel plate for press working
PCT/JP1979/000227 WO1980000456A1 (en) 1978-08-26 1979-08-25 Process for producing high-strength cold-rolled steel plate for press working
DE2953072A DE2953072C1 (en) 1978-08-26 1979-08-25 Process for the production of high-strength, cold-rolled steel sheet with improved press formability
EP79901046A EP0016846B1 (en) 1978-08-26 1979-08-25 Process for producing high-strength cold-rolled steel plate for press working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10417278A JPS5531159A (en) 1978-08-26 1978-08-26 Manufacture of high strength cold rolled steel plate for press working

Publications (1)

Publication Number Publication Date
JPS5531159A true JPS5531159A (en) 1980-03-05

Family

ID=14373606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10417278A Pending JPS5531159A (en) 1978-08-26 1978-08-26 Manufacture of high strength cold rolled steel plate for press working

Country Status (6)

Country Link
EP (1) EP0016846B1 (en)
JP (1) JPS5531159A (en)
DE (1) DE2953072C1 (en)
GB (1) GB2039951B (en)
IT (1) IT1121469B (en)
WO (1) WO1980000456A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033600A2 (en) * 1980-01-18 1981-08-12 British Steel Corporation Process for producing a steel with dual-phase structure
EP0040553A1 (en) * 1980-05-21 1981-11-25 British Steel Corporation Process for producing a dual-phase steel
JPS62139848A (en) * 1985-12-11 1987-06-23 Kobe Steel Ltd High strength and high ductility cold rolled steel sheet for automobile strengthening member

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR045563A1 (en) 2003-09-10 2005-11-02 Warner Lambert Co ANTIBODIES DIRECTED TO M-CSF
KR101147975B1 (en) * 2010-04-27 2012-05-24 태성정밀공업 주식회사 Rope for carrying something anchor for musical instrument

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087917A (en) * 1973-12-10 1975-07-15
JPS5322812A (en) * 1976-08-17 1978-03-02 Nippon Steel Corp Production of high strength cold rolled steel plate having excellent workabi lity

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709744A (en) * 1970-02-27 1973-01-09 United States Steel Corp Method for producing low carbon steel with exceptionally high drawability
JPS4837565A (en) * 1971-09-20 1973-06-02
GB1376266A (en) * 1971-12-27 1974-12-04 Nippon Steel Corp Cold-rolled steel sheet for pressforming
JPS5347331B2 (en) * 1972-06-13 1978-12-20
JPS5178730A (en) * 1974-12-30 1976-07-08 Nippon Steel Corp Fueraitosoto kyureihentaisoyorinaru fukugososhikikohanno seizohoho
JPS51107218A (en) * 1975-03-19 1976-09-22 Nippon Kokan Kk Buruuinguoshojinai kochoryokureienkohanno seizohoho
JPS5381544A (en) * 1976-12-16 1978-07-19 Shinto Paint Co Ltd Continuous powder electrodeposition painting method
JPS5425948A (en) * 1977-07-28 1979-02-27 Kansai Paint Co Ltd Supplying of cationic electrodeposit coating compound

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087917A (en) * 1973-12-10 1975-07-15
JPS5322812A (en) * 1976-08-17 1978-03-02 Nippon Steel Corp Production of high strength cold rolled steel plate having excellent workabi lity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033600A2 (en) * 1980-01-18 1981-08-12 British Steel Corporation Process for producing a steel with dual-phase structure
EP0040553A1 (en) * 1980-05-21 1981-11-25 British Steel Corporation Process for producing a dual-phase steel
JPS62139848A (en) * 1985-12-11 1987-06-23 Kobe Steel Ltd High strength and high ductility cold rolled steel sheet for automobile strengthening member

Also Published As

Publication number Publication date
EP0016846A1 (en) 1980-10-15
IT7968708A0 (en) 1979-08-24
GB2039951B (en) 1982-10-06
EP0016846A4 (en) 1980-11-14
EP0016846B1 (en) 1983-08-17
WO1980000456A1 (en) 1980-03-20
GB2039951A (en) 1980-08-20
IT1121469B (en) 1986-04-02
DE2953072C1 (en) 1985-03-21

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