JPS5641358A - Manufacture of corrosion resistant zinc alloy-plated steel products - Google Patents

Manufacture of corrosion resistant zinc alloy-plated steel products

Info

Publication number
JPS5641358A
JPS5641358A JP11521379A JP11521379A JPS5641358A JP S5641358 A JPS5641358 A JP S5641358A JP 11521379 A JP11521379 A JP 11521379A JP 11521379 A JP11521379 A JP 11521379A JP S5641358 A JPS5641358 A JP S5641358A
Authority
JP
Japan
Prior art keywords
steel products
manufacture
galvanized
bath
corrosion resistant
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
JP11521379A
Other languages
Japanese (ja)
Other versions
JPS6348945B2 (en
Inventor
Hajime Hinoto
Kango Sakai
Katsushi Saito
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 JP11521379A priority Critical patent/JPS5641358A/en
Publication of JPS5641358A publication Critical patent/JPS5641358A/en
Publication of JPS6348945B2 publication Critical patent/JPS6348945B2/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
    • C23C2/04—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 manufacture galvanized steel products with superior corrosion resistance by dipping steel products in a galvanizing bath having regulated Mg, Mn and Al contents and a regulated Al/(Mg+Mn) ratio. CONSTITUTION:A galvanizing bath is prepared contg., by wt., 0.15-1.5% Mg, 0.05-0.5%, especially 0.1-0.3% Mn and <=2.0% Al and having an Al/(Mg+ Mn) ratio of >2.0. By adding Al, a stable Al2O3 thin film is formed on the bath surface and a galvanized surface to prevent the progress of oxidation. Steel products are dipped in the bath to obtain galvanized steel products with superior corrosion resistance. By using this galvanizing bath, the corroding speed of a galvanized film can be decreased to 1/5-1/10 of that of zinc alone withoug deteriorating the general performance of galvanized steel products and the work efficiency.
JP11521379A 1979-09-10 1979-09-10 Manufacture of corrosion resistant zinc alloy-plated steel products Granted JPS5641358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11521379A JPS5641358A (en) 1979-09-10 1979-09-10 Manufacture of corrosion resistant zinc alloy-plated steel products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11521379A JPS5641358A (en) 1979-09-10 1979-09-10 Manufacture of corrosion resistant zinc alloy-plated steel products

Publications (2)

Publication Number Publication Date
JPS5641358A true JPS5641358A (en) 1981-04-18
JPS6348945B2 JPS6348945B2 (en) 1988-10-03

Family

ID=14657158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11521379A Granted JPS5641358A (en) 1979-09-10 1979-09-10 Manufacture of corrosion resistant zinc alloy-plated steel products

Country Status (1)

Country Link
JP (1) JPS5641358A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931859A (en) * 1982-08-16 1984-02-21 Kawasaki Steel Corp Galvannealed steel plate with high corrosion resistance
JPS6052569A (en) * 1983-08-31 1985-03-25 Taiyo Seikou Kk Plated steel sheet for colored galvanized steel sheet
JPH0835050A (en) * 1994-07-20 1996-02-06 Kawasaki Steel Corp Alloyed hot dip galvanized steel material and method for producing the same
JPH0860324A (en) * 1994-08-22 1996-03-05 Kawasaki Steel Corp Zn-Mg-Al hot-dip steel having excellent corrosion resistance and method for producing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931859A (en) * 1982-08-16 1984-02-21 Kawasaki Steel Corp Galvannealed steel plate with high corrosion resistance
JPS6052569A (en) * 1983-08-31 1985-03-25 Taiyo Seikou Kk Plated steel sheet for colored galvanized steel sheet
JPH0835050A (en) * 1994-07-20 1996-02-06 Kawasaki Steel Corp Alloyed hot dip galvanized steel material and method for producing the same
JPH0860324A (en) * 1994-08-22 1996-03-05 Kawasaki Steel Corp Zn-Mg-Al hot-dip steel having excellent corrosion resistance and method for producing the same

Also Published As

Publication number Publication date
JPS6348945B2 (en) 1988-10-03

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