GB886881A - A method of aluminum-plating iron and steel - Google Patents

A method of aluminum-plating iron and steel

Info

Publication number
GB886881A
GB886881A GB12914/60A GB1291460A GB886881A GB 886881 A GB886881 A GB 886881A GB 12914/60 A GB12914/60 A GB 12914/60A GB 1291460 A GB1291460 A GB 1291460A GB 886881 A GB886881 A GB 886881A
Authority
GB
United Kingdom
Prior art keywords
aluminium
sodium
alkali metal
metal compounds
steel
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.)
Expired
Application number
GB12914/60A
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.)
Yawata Iron and Steel Co Ltd
Original Assignee
Yawata Iron and 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 Yawata Iron and Steel Co Ltd filed Critical Yawata Iron and Steel Co Ltd
Publication of GB886881A publication Critical patent/GB886881A/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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • 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
    • C23C2/12—Aluminium 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)
  • General Chemical & Material Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Before coating with aluminium or an aluminium-base alloy by hot-dipping, iron and steel articles are painted with a solution containing one or more alkali metal compounds, the resulting film is dried and the articles then heat-treated in a reducing atmosphere. Specified alkali metal compounds are sodium and potassium fluoride and hydroxide and sodium azide. The solution, which may be aqueous or in ethyl alcohol, may also contain sodium or potassium chloride or aluminium fluoride, and a surface-active agent. Drying is preferably effected at above 400 DEG C., this heating serving also to burn off any adhering oil or fat. The reducing heat-treatment is performed at above 600 DEG C. in e.g. hydrogen. Coating may be effected with aluminium alloys containing silicon, lead, titanium or cerium. Specification 647,652 is referred to.
GB12914/60A 1959-09-09 1960-04-11 A method of aluminum-plating iron and steel Expired GB886881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP886881X 1959-09-09

Publications (1)

Publication Number Publication Date
GB886881A true GB886881A (en) 1962-01-10

Family

ID=13949762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12914/60A Expired GB886881A (en) 1959-09-09 1960-04-11 A method of aluminum-plating iron and steel

Country Status (1)

Country Link
GB (1) GB886881A (en)

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