JPS57108254A - Production of zero spangle zinc hot dipped steel plate of superior surface characteristic - Google Patents

Production of zero spangle zinc hot dipped steel plate of superior surface characteristic

Info

Publication number
JPS57108254A
JPS57108254A JP18386180A JP18386180A JPS57108254A JP S57108254 A JPS57108254 A JP S57108254A JP 18386180 A JP18386180 A JP 18386180A JP 18386180 A JP18386180 A JP 18386180A JP S57108254 A JPS57108254 A JP S57108254A
Authority
JP
Japan
Prior art keywords
zinc
steel plate
plated
strip
zero spangle
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
JP18386180A
Other languages
Japanese (ja)
Other versions
JPS6055592B2 (en
Inventor
Kiyotoshi Iwasaki
Mitsumasa Nagahisa
Nobukatsu Komatsu
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 JP55183861A priority Critical patent/JPS6055592B2/en
Publication of JPS57108254A publication Critical patent/JPS57108254A/en
Publication of JPS6055592B2 publication Critical patent/JPS6055592B2/en
Expired 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
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates

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 produce a zero spangle zinc plated steel plate of uniform surface appearance by charging an inert gas of controlled concn. of O2 into a sealed box provided on a zinc hot dipping bath contg. prescribed components, and controlling the zinc adhesion of a steel plate passing in the box. CONSTITUTION:First, a steel strip 1 is subjected sufficiently to pretreatments such as cleaning of the surfaces to be plated and the like in order to suit for plating. Next, the strip 1 is plated by using a zinc hot dipping bath consisting of <=0.04% Pb, 0.1-0.3% Al, and the balance unavoidable impurities and Zn. Following to this, the strip 1 is conducted into a sealed box 5 charged with N2 at ordinary temp. and kept at <=2.0% concn. of O2. The zinc adhesion weight is controlled in the box 5. The resultant zinc plated steel plate has no spangles (zero spangle) and has smooth specular gloss.
JP55183861A 1980-12-26 1980-12-26 Manufacturing method of zero-spangle hot-dip galvanized steel sheet with excellent surface quality Expired JPS6055592B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55183861A JPS6055592B2 (en) 1980-12-26 1980-12-26 Manufacturing method of zero-spangle hot-dip galvanized steel sheet with excellent surface quality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55183861A JPS6055592B2 (en) 1980-12-26 1980-12-26 Manufacturing method of zero-spangle hot-dip galvanized steel sheet with excellent surface quality

Publications (2)

Publication Number Publication Date
JPS57108254A true JPS57108254A (en) 1982-07-06
JPS6055592B2 JPS6055592B2 (en) 1985-12-05

Family

ID=16143100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55183861A Expired JPS6055592B2 (en) 1980-12-26 1980-12-26 Manufacturing method of zero-spangle hot-dip galvanized steel sheet with excellent surface quality

Country Status (1)

Country Link
JP (1) JPS6055592B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7914851B2 (en) 2004-12-28 2011-03-29 Posco Method of manufacturing hot-dipped galvanized steel sheet

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH031841Y2 (en) * 1986-03-10 1991-01-21

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114334A (en) * 1975-04-01 1976-10-08 Nippon Steel Corp Method of adjusting quantity of adhesion of plated metal in continuous molten metal plating
JPS53128539A (en) * 1977-04-13 1978-11-09 Inland Steel Co Iron metal strip that is zinccaluminium alloy coated* its coating method and melting plating coating bath
JPS5558358A (en) * 1978-10-27 1980-05-01 Nippon Steel Corp Hot dipping apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114334A (en) * 1975-04-01 1976-10-08 Nippon Steel Corp Method of adjusting quantity of adhesion of plated metal in continuous molten metal plating
JPS53128539A (en) * 1977-04-13 1978-11-09 Inland Steel Co Iron metal strip that is zinccaluminium alloy coated* its coating method and melting plating coating bath
JPS5558358A (en) * 1978-10-27 1980-05-01 Nippon Steel Corp Hot dipping apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7914851B2 (en) 2004-12-28 2011-03-29 Posco Method of manufacturing hot-dipped galvanized steel sheet

Also Published As

Publication number Publication date
JPS6055592B2 (en) 1985-12-05

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