JPS5625930A - Manufacture of cold rolled steel sheet excellent in deep drawing property by hot rolling - Google Patents

Manufacture of cold rolled steel sheet excellent in deep drawing property by hot rolling

Info

Publication number
JPS5625930A
JPS5625930A JP10129779A JP10129779A JPS5625930A JP S5625930 A JPS5625930 A JP S5625930A JP 10129779 A JP10129779 A JP 10129779A JP 10129779 A JP10129779 A JP 10129779A JP S5625930 A JPS5625930 A JP S5625930A
Authority
JP
Japan
Prior art keywords
deep drawing
hot rolling
cold rolled
drawing property
manufacture
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
JP10129779A
Other languages
Japanese (ja)
Inventor
Kosaku Shioda
Mitsunobu Abe
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 JP10129779A priority Critical patent/JPS5625930A/en
Publication of JPS5625930A publication Critical patent/JPS5625930A/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
    • 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

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

PURPOSE:To manufacture cold rolled steel sheets excellent in deep drawing property by hot rolling low carbon and low manganese steel slabs and annealing them, after having hot rolled within the specific temperature range in the cooling process. CONSTITUTION:Steel slabs containing <0.10% C, <0.40% Mn, are made to steel sheets by ordinary hot rolling. In order to prevent the steel sheets from hardening and deteriorating in workability in the cooling process, the sheets are cooled at a cooling rate of 50 deg.C/sec or less from the temperature where the austenite phase disappers. Before being wound up, the sheets are annealed, after having been hot rolled at a reduction rate of more than 20% within a temperature range of 450- 150 deg.C. This enables to manufacture cold rolled steel sheets excellent in deep drawing property.
JP10129779A 1979-08-10 1979-08-10 Manufacture of cold rolled steel sheet excellent in deep drawing property by hot rolling Pending JPS5625930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10129779A JPS5625930A (en) 1979-08-10 1979-08-10 Manufacture of cold rolled steel sheet excellent in deep drawing property by hot rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10129779A JPS5625930A (en) 1979-08-10 1979-08-10 Manufacture of cold rolled steel sheet excellent in deep drawing property by hot rolling

Publications (1)

Publication Number Publication Date
JPS5625930A true JPS5625930A (en) 1981-03-12

Family

ID=14296886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10129779A Pending JPS5625930A (en) 1979-08-10 1979-08-10 Manufacture of cold rolled steel sheet excellent in deep drawing property by hot rolling

Country Status (1)

Country Link
JP (1) JPS5625930A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62253733A (en) * 1986-04-26 1987-11-05 Nippon Kokan Kk <Nkk> Production of thin steel sheet having excellent deep drawability
CN107201436A (en) * 2017-05-08 2017-09-26 武汉钢铁有限公司 A kind of process for producing Thin Specs medium carbon steel
CN107201437A (en) * 2017-05-08 2017-09-26 武汉钢铁有限公司 A kind of process for producing Thin Specs high-carbon steel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62253733A (en) * 1986-04-26 1987-11-05 Nippon Kokan Kk <Nkk> Production of thin steel sheet having excellent deep drawability
JPH0411607B2 (en) * 1986-04-26 1992-03-02 Nippon Kokan Kk
CN107201436A (en) * 2017-05-08 2017-09-26 武汉钢铁有限公司 A kind of process for producing Thin Specs medium carbon steel
CN107201437A (en) * 2017-05-08 2017-09-26 武汉钢铁有限公司 A kind of process for producing Thin Specs high-carbon steel
CN107201436B (en) * 2017-05-08 2018-07-31 武汉钢铁有限公司 A kind of process producing Thin Specs medium carbon steel

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