JPS5620154A - Manufacture of galvanized steel sheet having excellent surface appearance - Google Patents

Manufacture of galvanized steel sheet having excellent surface appearance

Info

Publication number
JPS5620154A
JPS5620154A JP9558579A JP9558579A JPS5620154A JP S5620154 A JPS5620154 A JP S5620154A JP 9558579 A JP9558579 A JP 9558579A JP 9558579 A JP9558579 A JP 9558579A JP S5620154 A JPS5620154 A JP S5620154A
Authority
JP
Japan
Prior art keywords
steel sheet
bath
galvanized steel
manufacture
surface appearance
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
JP9558579A
Other languages
Japanese (ja)
Inventor
Yusuke Hirose
Fumishiro Koukou
Hiroshi Togawa
Hikari Oba
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP9558579A priority Critical patent/JPS5620154A/en
Publication of JPS5620154A publication Critical patent/JPS5620154A/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
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon

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 prevent the formation of dendritic pattern on the surface, by controlling the quantities of impurities such as Pb, Cd, Sn, In, etc. contained in the bath to not higher than a specific value in galvanizing steel sheet with the bath contg. Al and inevitable impurity Fe. CONSTITUTION:To the galvanizing bath is added 0.1-0.6wt% Al, and Fe is mixed inevitably. The impurity elements contained in the Zn galvanizing bath is controlled by wt% respectively to, <=0.01 Pb, <=0.2 Cd, <=0.01 Sn, <=0.01 In, <=0.001 Sb, <=0.01 Bi. Steel sheet is galvanized with Zn by ordinary method using the Zn galvanizing bath. The galvanized steel sheet is allowed to cool naturally and is solidified.
JP9558579A 1979-07-28 1979-07-28 Manufacture of galvanized steel sheet having excellent surface appearance Pending JPS5620154A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9558579A JPS5620154A (en) 1979-07-28 1979-07-28 Manufacture of galvanized steel sheet having excellent surface appearance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9558579A JPS5620154A (en) 1979-07-28 1979-07-28 Manufacture of galvanized steel sheet having excellent surface appearance

Publications (1)

Publication Number Publication Date
JPS5620154A true JPS5620154A (en) 1981-02-25

Family

ID=14141651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9558579A Pending JPS5620154A (en) 1979-07-28 1979-07-28 Manufacture of galvanized steel sheet having excellent surface appearance

Country Status (1)

Country Link
JP (1) JPS5620154A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6169978A (en) * 1984-09-12 1986-04-10 Nisshin Steel Co Ltd Pretreatment for low-lead galvanized steel sheet before coating
JPS62148185A (en) * 1985-12-19 1987-07-02 ダイキン工業株式会社 industrial robot
JPH0890026A (en) * 1994-09-13 1996-04-09 Sumitomo Metal Ind Ltd Control method of tandem mill
JP2011153326A (en) * 2010-01-26 2011-08-11 Komagata Galvanizing Co Ltd Hot-dip galvanization
JP2013227678A (en) * 2013-05-16 2013-11-07 Nippon Steel & Sumitomo Metal Corp Hot dip galvanized steel tube and method for manufacturing the hot dip galvanized steel tube
US9593796B2 (en) 2012-04-24 2017-03-14 Nippon Steel & Sumitomo Metal Corporation Hot-dip galvanized steel pipe and method of manufacturing the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6169978A (en) * 1984-09-12 1986-04-10 Nisshin Steel Co Ltd Pretreatment for low-lead galvanized steel sheet before coating
JPS62148185A (en) * 1985-12-19 1987-07-02 ダイキン工業株式会社 industrial robot
JPH0890026A (en) * 1994-09-13 1996-04-09 Sumitomo Metal Ind Ltd Control method of tandem mill
JP2011153326A (en) * 2010-01-26 2011-08-11 Komagata Galvanizing Co Ltd Hot-dip galvanization
US9593796B2 (en) 2012-04-24 2017-03-14 Nippon Steel & Sumitomo Metal Corporation Hot-dip galvanized steel pipe and method of manufacturing the same
JP2013227678A (en) * 2013-05-16 2013-11-07 Nippon Steel & Sumitomo Metal Corp Hot dip galvanized steel tube and method for manufacturing the hot dip galvanized steel tube

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