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JPS5613470A - Manufacture of alloyed galvanized steel sheet for coating substrate - Google Patents

Manufacture of alloyed galvanized steel sheet for coating substrate

Info

Publication number
JPS5613470A
JPS5613470A JP8750879A JP8750879A JPS5613470A JP S5613470 A JPS5613470 A JP S5613470A JP 8750879 A JP8750879 A JP 8750879A JP 8750879 A JP8750879 A JP 8750879A JP S5613470 A JPS5613470 A JP S5613470A
Authority
JP
Japan
Prior art keywords
galvanized
steel sheet
sheet
coating substrate
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.)
Granted
Application number
JP8750879A
Other languages
Japanese (ja)
Other versions
JPH0319297B2 (en
Inventor
Kazuo Matsufuji
Takeshi Ataya
Masaru Omura
Masaki Abe
Masahiro Shoji
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 Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP8750879A priority Critical patent/JPS5613470A/en
Publication of JPS5613470A publication Critical patent/JPS5613470A/en
Publication of JPH0319297B2 publication Critical patent/JPH0319297B2/ja
Granted 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
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/285—Thermal after-treatment, e.g. treatment in oil bath for remelting the coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal 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 uniform-quality alloyed galvanized steel sheet for a coating substrate having superior corrosion resistance after electrodeposition coating by using a molten Zn bath contg. a very small amount of Al to galvanize the surface of a steel sheet, further galvanizing the sheet, and heating it at a specified temp. CONSTITUTION:A steel sheet is galvanized using a molten Zn bath contg. 0.08- 0.14% Al. Since the bath contains Al having high reducing power, little dross is generated. On the galvanized sheet a usual galvanized layer is formed in at least >=2mu thickness. The resulting sheet is then heatd at 350-400 deg.C for 3-240min in case of a batch process or at 450-550 deg.C for 5-60sec in case of a continuous process to form an at least >=1.5mu thick Fe-Zn alloy layer in the galvanized lower layer on the sheet and a >=0.5mu thick galvanized layer on the alloy layer. Thus, a uniform- quality alloyed galvanized steel sheet for a coating substrate having superior corrosion resistance after electrodeposition coating can be manufactured.
JP8750879A 1979-07-12 1979-07-12 Manufacture of alloyed galvanized steel sheet for coating substrate Granted JPS5613470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8750879A JPS5613470A (en) 1979-07-12 1979-07-12 Manufacture of alloyed galvanized steel sheet for coating substrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8750879A JPS5613470A (en) 1979-07-12 1979-07-12 Manufacture of alloyed galvanized steel sheet for coating substrate

Publications (2)

Publication Number Publication Date
JPS5613470A true JPS5613470A (en) 1981-02-09
JPH0319297B2 JPH0319297B2 (en) 1991-03-14

Family

ID=13916914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8750879A Granted JPS5613470A (en) 1979-07-12 1979-07-12 Manufacture of alloyed galvanized steel sheet for coating substrate

Country Status (1)

Country Link
JP (1) JPS5613470A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834169A (en) * 1981-08-25 1983-02-28 Nippon Kokan Kk <Nkk> Treatment for fe-zn alloying of zinc hot dipped steel plate
JPS5920456A (en) * 1982-07-21 1984-02-02 Sumitomo Metal Ind Ltd Manufacturing method of pre-painted steel plate
JPS6251168U (en) * 1986-02-27 1987-03-30
KR100356163B1 (en) * 1998-07-15 2002-11-18 주식회사 포스코 Manufacturing method of semi-alloyed hot dip galvanized steel sheet
JP2014025122A (en) * 2012-07-27 2014-02-06 Jfe Steel Corp Method for producing alloyed hot-dip galvanized steel sheet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934434A (en) * 1972-08-03 1974-03-29
JPS5112575A (en) * 1974-07-19 1976-01-31 Okura Yusoki Co Ltd
JPS51149129A (en) * 1975-06-18 1976-12-21 Nippon Steel Corp Method of producing zincccoated iron plate with good workability
JPS526340A (en) * 1975-07-04 1977-01-18 Nisshin Steel Co Ltd Galvanneled steel plate and production method therefor
JPS5373431A (en) * 1976-12-14 1978-06-29 Nisshin Steel Co Ltd Alloying treatment method of zinc plated steel plate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4934434A (en) * 1972-08-03 1974-03-29
JPS5112575A (en) * 1974-07-19 1976-01-31 Okura Yusoki Co Ltd
JPS51149129A (en) * 1975-06-18 1976-12-21 Nippon Steel Corp Method of producing zincccoated iron plate with good workability
JPS526340A (en) * 1975-07-04 1977-01-18 Nisshin Steel Co Ltd Galvanneled steel plate and production method therefor
JPS5373431A (en) * 1976-12-14 1978-06-29 Nisshin Steel Co Ltd Alloying treatment method of zinc plated steel plate

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834169A (en) * 1981-08-25 1983-02-28 Nippon Kokan Kk <Nkk> Treatment for fe-zn alloying of zinc hot dipped steel plate
JPH0121224B2 (en) * 1981-08-25 1989-04-20 Nippon Kokan Kk
JPS5920456A (en) * 1982-07-21 1984-02-02 Sumitomo Metal Ind Ltd Manufacturing method of pre-painted steel plate
JPH0543780B2 (en) * 1982-07-21 1993-07-02 Sumitomo Metal Ind
JPS6251168U (en) * 1986-02-27 1987-03-30
JPH0322270Y2 (en) * 1986-02-27 1991-05-15
KR100356163B1 (en) * 1998-07-15 2002-11-18 주식회사 포스코 Manufacturing method of semi-alloyed hot dip galvanized steel sheet
JP2014025122A (en) * 2012-07-27 2014-02-06 Jfe Steel Corp Method for producing alloyed hot-dip galvanized steel sheet

Also Published As

Publication number Publication date
JPH0319297B2 (en) 1991-03-14

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