JPS5693824A - Production of soft steel sheet using continuous annealing - Google Patents

Production of soft steel sheet using continuous annealing

Info

Publication number
JPS5693824A
JPS5693824A JP6543380A JP6543380A JPS5693824A JP S5693824 A JPS5693824 A JP S5693824A JP 6543380 A JP6543380 A JP 6543380A JP 6543380 A JP6543380 A JP 6543380A JP S5693824 A JPS5693824 A JP S5693824A
Authority
JP
Japan
Prior art keywords
rolled
continuous annealing
steel
hot
tinplate
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
JP6543380A
Other languages
Japanese (ja)
Other versions
JPS607009B2 (en
Inventor
Giichiro Nomura
Takuo Ando
Keiji Ariga
Akira Ikeda
Kinji Saijo
Daizo Sato
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.)
Toyo Kohan Co Ltd
Original Assignee
Toyo Kohan Co 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 Toyo Kohan Co Ltd filed Critical Toyo Kohan Co Ltd
Priority to JP6543380A priority Critical patent/JPS607009B2/en
Publication of JPS5693824A publication Critical patent/JPS5693824A/en
Publication of JPS607009B2 publication Critical patent/JPS607009B2/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 Sheet Steel (AREA)

Abstract

PURPOSE:To simply perform continuous annealing of base plate for soft tinplate by a method wherein a specific composition steel belt is hot-rolled and cold-rolled, then is subjected to a specific heating and cooling treatment. CONSTITUTION:Rimmed steel plate or capped steel ingot is rolled into slab, then is hot rolled by a hot strip mill to provide a hot rolled steel belt. The composition consists of C<=0.050%, Mn<=0.50%, S<=0.025%, N<=0.0030%, while satisfying both the relations P<=0.012% and [(Mn%)-55/16(O%)]/(S%)>=20, and the remaining Fe and unavoidable impurities. The steel is then cold rolled and heated to a temperature higher than the recrystallization temperature and below 900 deg.C in a continuous annealing furnace for base plate for tinplate, and maintained at that temperature for a while. Then the plate is annealed in the normal annealing cycle for base plate of tinplate in which cooling rate is gradual to about 500 deg.C and quick to room temperature.
JP6543380A 1980-05-19 1980-05-19 Manufacturing method of soft thin steel plate by continuous annealing Expired JPS607009B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6543380A JPS607009B2 (en) 1980-05-19 1980-05-19 Manufacturing method of soft thin steel plate by continuous annealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6543380A JPS607009B2 (en) 1980-05-19 1980-05-19 Manufacturing method of soft thin steel plate by continuous annealing

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP49145750A Division JPS5171812A (en) 1974-12-20 1974-12-20 Renzokushodon nyoru nanshitsusukohanno seizohoho

Publications (2)

Publication Number Publication Date
JPS5693824A true JPS5693824A (en) 1981-07-29
JPS607009B2 JPS607009B2 (en) 1985-02-21

Family

ID=13286964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6543380A Expired JPS607009B2 (en) 1980-05-19 1980-05-19 Manufacturing method of soft thin steel plate by continuous annealing

Country Status (1)

Country Link
JP (1) JPS607009B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02154109A (en) * 1988-12-07 1990-06-13 Kansui Kogyo Kk Method and device for measuring tilt angle, steeled and upheaved quantity of drain pipe or the like

Also Published As

Publication number Publication date
JPS607009B2 (en) 1985-02-21

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