JPS5518562A - Method and apparatus for manufacturing galvanized steel strip for deep drawing - Google Patents

Method and apparatus for manufacturing galvanized steel strip for deep drawing

Info

Publication number
JPS5518562A
JPS5518562A JP9112978A JP9112978A JPS5518562A JP S5518562 A JPS5518562 A JP S5518562A JP 9112978 A JP9112978 A JP 9112978A JP 9112978 A JP9112978 A JP 9112978A JP S5518562 A JPS5518562 A JP S5518562A
Authority
JP
Japan
Prior art keywords
steel strip
cooled
strip
unit
deep drawing
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
JP9112978A
Other languages
Japanese (ja)
Inventor
Yuji Shimoyama
Michio Kondo
Osamu Hashimoto
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP9112978A priority Critical patent/JPS5518562A/en
Publication of JPS5518562A publication Critical patent/JPS5518562A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

PURPOSE:To manufacture a high quality galvanized steel strip for deep drawing at a low cost by continuosly carrying out overaging by low temp. annealing required in case of a cheap base metal and a galvanizing process in the same line. CONSTITUTION:Steel strip 1 is degreased and deoxidized in pretreating process 3 and heated at the A1 transformation point-900 deg.C for above 20 sec in continuous annealing unit 6. It is then galvanized in galvanizing unit 6 and cooled to 150- 400 deg.C necessary for overaging with steel strip temp. controller 7. The cooled strip is coiled with coiler 8, and coil 9 is gradually cooled and held at 150-400 deg.C for above 30 min to be overaged during conveyance with conveyor 11. Steel strip coil 9 is then uncoiled with uncoiler 13, rapidly cooled with steel strip cooler 15, and passed through skin pass mill 16 and tension leveler 17 to regulate the quality and shape. After rust preventive treatment in after-treatment unit 18 the strip is coiled with coiler 19 to give a product.
JP9112978A 1978-07-25 1978-07-25 Method and apparatus for manufacturing galvanized steel strip for deep drawing Pending JPS5518562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9112978A JPS5518562A (en) 1978-07-25 1978-07-25 Method and apparatus for manufacturing galvanized steel strip for deep drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9112978A JPS5518562A (en) 1978-07-25 1978-07-25 Method and apparatus for manufacturing galvanized steel strip for deep drawing

Publications (1)

Publication Number Publication Date
JPS5518562A true JPS5518562A (en) 1980-02-08

Family

ID=14017916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9112978A Pending JPS5518562A (en) 1978-07-25 1978-07-25 Method and apparatus for manufacturing galvanized steel strip for deep drawing

Country Status (1)

Country Link
JP (1) JPS5518562A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157710U (en) * 1983-04-07 1984-10-23 住友電気工業株式会社 small roll
US5049202A (en) * 1989-04-24 1991-09-17 John Lysaght (Australia) Limited Method of enhancing the ductility of aluminum-zinc alloy coating on steel strip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157710U (en) * 1983-04-07 1984-10-23 住友電気工業株式会社 small roll
US5049202A (en) * 1989-04-24 1991-09-17 John Lysaght (Australia) Limited Method of enhancing the ductility of aluminum-zinc alloy coating on steel strip

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