FR2245777A1 - Aluminium-zinc coating - rapidly cooled from si contg bath to prevent subsequent corrosion flaking - Google Patents

Aluminium-zinc coating - rapidly cooled from si contg bath to prevent subsequent corrosion flaking

Info

Publication number
FR2245777A1
FR2245777A1 FR7334917A FR7334917A FR2245777A1 FR 2245777 A1 FR2245777 A1 FR 2245777A1 FR 7334917 A FR7334917 A FR 7334917A FR 7334917 A FR7334917 A FR 7334917A FR 2245777 A1 FR2245777 A1 FR 2245777A1
Authority
FR
France
Prior art keywords
flaking
contg
aluminium
bath
rapidly cooled
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
FR7334917A
Other languages
French (fr)
Other versions
FR2245777B1 (en
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.)
Bethlehem Steel Corp
Original Assignee
Bethlehem 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 Bethlehem Steel Corp filed Critical Bethlehem Steel Corp
Priority to FR7334917A priority Critical patent/FR2245777A1/en
Publication of FR2245777A1 publication Critical patent/FR2245777A1/en
Application granted granted Critical
Publication of FR2245777B1 publication Critical patent/FR2245777B1/fr
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
    • C23C2/12—Aluminium or alloys based thereon
    • 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

Abstract

The base is immersed in a melt of Zn/25-70 wt.% Al alloy containing Si in an amt. is not 0.5 wt.% (based on Al), and the coating cooled at >=20 degrees F/sec. Good corrosion resistance to acid environments is obtained.
FR7334917A 1973-09-28 1973-09-28 Aluminium-zinc coating - rapidly cooled from si contg bath to prevent subsequent corrosion flaking Granted FR2245777A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7334917A FR2245777A1 (en) 1973-09-28 1973-09-28 Aluminium-zinc coating - rapidly cooled from si contg bath to prevent subsequent corrosion flaking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7334917A FR2245777A1 (en) 1973-09-28 1973-09-28 Aluminium-zinc coating - rapidly cooled from si contg bath to prevent subsequent corrosion flaking

Publications (2)

Publication Number Publication Date
FR2245777A1 true FR2245777A1 (en) 1975-04-25
FR2245777B1 FR2245777B1 (en) 1977-09-09

Family

ID=9125713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7334917A Granted FR2245777A1 (en) 1973-09-28 1973-09-28 Aluminium-zinc coating - rapidly cooled from si contg bath to prevent subsequent corrosion flaking

Country Status (1)

Country Link
FR (1) FR2245777A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253776A1 (en) * 1986-07-14 1988-01-20 ITALSIDER SpA Zinc-aluminium based alloy for coating steel products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253776A1 (en) * 1986-07-14 1988-01-20 ITALSIDER SpA Zinc-aluminium based alloy for coating steel products

Also Published As

Publication number Publication date
FR2245777B1 (en) 1977-09-09

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Legal Events

Date Code Title Description
TP Transmission of property