FR2155790A1 - Coating metal eg steel - with protective alloy eg zinc or aluminium coatings by dipping and spraying with hot gas - Google Patents

Coating metal eg steel - with protective alloy eg zinc or aluminium coatings by dipping and spraying with hot gas

Info

Publication number
FR2155790A1
FR2155790A1 FR7135812A FR7135812A FR2155790A1 FR 2155790 A1 FR2155790 A1 FR 2155790A1 FR 7135812 A FR7135812 A FR 7135812A FR 7135812 A FR7135812 A FR 7135812A FR 2155790 A1 FR2155790 A1 FR 2155790A1
Authority
FR
France
Prior art keywords
dipping
spraying
zinc
steel
hot gas
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
FR7135812A
Other languages
French (fr)
Other versions
FR2155790B3 (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.)
Heurtey SA
Original Assignee
Heurtey SA
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 Heurtey SA filed Critical Heurtey SA
Priority to FR7135812A priority Critical patent/FR2155790A1/en
Publication of FR2155790A1 publication Critical patent/FR2155790A1/en
Application granted granted Critical
Publication of FR2155790B3 publication Critical patent/FR2155790B3/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
    • C23C2/14—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
    • 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
    • C23C2/26—After-treatment
    • 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
    • C23C2/26—After-treatment
    • C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere

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

Prodn. of an alloy e.g. Fe/Zn or Fe/Al coating on >=1 surface of a moving metal strip which has passed through a metal coating bath is by directing a flat, high temp. gas jet onto the strip so that the temp. resulting from impact of the jet on the strip is between the fusion temp. of the coating and that of the strip e.g. is approx. 500 degrees for an Fe/Zn alloy.
FR7135812A 1971-10-05 1971-10-05 Coating metal eg steel - with protective alloy eg zinc or aluminium coatings by dipping and spraying with hot gas Granted FR2155790A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7135812A FR2155790A1 (en) 1971-10-05 1971-10-05 Coating metal eg steel - with protective alloy eg zinc or aluminium coatings by dipping and spraying with hot gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7135812A FR2155790A1 (en) 1971-10-05 1971-10-05 Coating metal eg steel - with protective alloy eg zinc or aluminium coatings by dipping and spraying with hot gas

Publications (2)

Publication Number Publication Date
FR2155790A1 true FR2155790A1 (en) 1973-05-25
FR2155790B3 FR2155790B3 (en) 1974-06-07

Family

ID=9083935

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135812A Granted FR2155790A1 (en) 1971-10-05 1971-10-05 Coating metal eg steel - with protective alloy eg zinc or aluminium coatings by dipping and spraying with hot gas

Country Status (1)

Country Link
FR (1) FR2155790A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297090A1 (en) * 1975-01-13 1976-08-06 Nat Steel Corp NOZZLE AND METHOD FOR REMOVING AN EXCESS LIQUID COATING FROM A SURFACE OF A MOVING TAPE
EP0167134A2 (en) * 1984-06-30 1986-01-08 Kawasaki Steel Corporation Process for alloying for galvanization and alloying furnace therefor
EP0395759A1 (en) * 1988-09-29 1990-11-07 Nisshin Steel Co., Ltd. Apparatus for manufacturing minimized spangle molten plated steel plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297090A1 (en) * 1975-01-13 1976-08-06 Nat Steel Corp NOZZLE AND METHOD FOR REMOVING AN EXCESS LIQUID COATING FROM A SURFACE OF A MOVING TAPE
EP0167134A2 (en) * 1984-06-30 1986-01-08 Kawasaki Steel Corporation Process for alloying for galvanization and alloying furnace therefor
EP0167134A3 (en) * 1984-06-30 1986-03-12 Kawasaki Steel Corporation Process for alloying for galvanization and alloying furnace therefor
EP0395759A1 (en) * 1988-09-29 1990-11-07 Nisshin Steel Co., Ltd. Apparatus for manufacturing minimized spangle molten plated steel plate
EP0395759A4 (en) * 1988-09-29 1991-01-30 Nisshin Steel Co., Ltd. Two-fluid jet apparatus and apparatus for producing hot-dipped steel sheet with minimum spangle using said jet apparatus

Also Published As

Publication number Publication date
FR2155790B3 (en) 1974-06-07

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Legal Events

Date Code Title Description
ST Notification of lapse