DE69501386D1 - Hot-dip coating process without alloying a steel plate with a low content of interstitial atoms - Google Patents

Hot-dip coating process without alloying a steel plate with a low content of interstitial atoms

Info

Publication number
DE69501386D1
DE69501386D1 DE69501386T DE69501386T DE69501386D1 DE 69501386 D1 DE69501386 D1 DE 69501386D1 DE 69501386 T DE69501386 T DE 69501386T DE 69501386 T DE69501386 T DE 69501386T DE 69501386 D1 DE69501386 D1 DE 69501386D1
Authority
DE
Germany
Prior art keywords
alloy
degrees
steel
temp
alloying
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 - Fee Related
Application number
DE69501386T
Other languages
German (de)
Other versions
DE69501386T2 (en
Inventor
Armelle Jouet
Louis Guillot
Vincent Cholet
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.)
Sollac SA
Original Assignee
Sollac SA
Lorraine de Laminage Continu SA SOLLAC
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 Sollac SA, Lorraine de Laminage Continu SA SOLLAC filed Critical Sollac SA
Publication of DE69501386D1 publication Critical patent/DE69501386D1/en
Application granted granted Critical
Publication of DE69501386T2 publication Critical patent/DE69501386T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • 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
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/29—Cooling or quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Laminated Bodies (AREA)

Abstract

Interstitial free steel sheet is coated with Al, Zn or Al Zn alloy by dipping the heated steel into a relatively cool bath of molten Al, Zn or alloy and subjecting the dipped steel to a heat treatment of less than 5 mins., pref. around 2 mins., duration where it is first heated quickly to a temp. above 300 degrees C but below the temp. at which the coating would alloy with the steel and then quickly cooling to ambient temp. The heat treatment temp. is 550-625 degrees C for Al or Al alloy, 320-390 degrees C for Zn or Zn alloy and 390-550 degrees C for an alloy of Al and Zn. Prior to dipping the steel is cleaned and recrystallised by heating in a non-oxidising atmosphere. The Al based coating provides a base for subsequent enamelling and the Zn based coating for a paint coating which needs to be baked at over 100 degrees C.
DE69501386T 1994-11-04 1995-10-19 Hot-dip coating process without alloying a steel plate with a low content of interstitial atoms Expired - Fee Related DE69501386T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9413165A FR2726578B1 (en) 1994-11-04 1994-11-04 PROCESS FOR THE TEMPER COATING OF A STEEL SHEET WITH A METAL LAYER BASED ON ALUMINUM OR ZINC

Publications (2)

Publication Number Publication Date
DE69501386D1 true DE69501386D1 (en) 1998-02-12
DE69501386T2 DE69501386T2 (en) 1998-07-23

Family

ID=9468485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69501386T Expired - Fee Related DE69501386T2 (en) 1994-11-04 1995-10-19 Hot-dip coating process without alloying a steel plate with a low content of interstitial atoms

Country Status (5)

Country Link
EP (1) EP0710732B1 (en)
AT (1) ATE161898T1 (en)
DE (1) DE69501386T2 (en)
ES (1) ES2111380T3 (en)
FR (1) FR2726578B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19646362C2 (en) 1996-11-09 2000-07-06 Thyssen Stahl Ag Process for the heat treatment of ZnAl hot-dip coated thin sheet
EP0916624B1 (en) * 1997-11-11 2001-07-25 Kawasaki Steel Corporation Porcelain-enameled steel sheets and frits for enameling
FR2775297B1 (en) 1998-02-25 2000-04-28 Lorraine Laminage SHEET WITH CRACK RESISTANT ALUMINUM COATING
US8475609B2 (en) 2006-05-24 2013-07-02 Bluescope Steel Limited Treating Al/Zn-based alloy coated products
DE102007022453B4 (en) * 2007-05-10 2020-02-06 Thyssenkrupp Steel Europe Ag Multi-layer composite part and component made from it
WO2010135779A1 (en) 2009-05-28 2010-12-02 Bluescope Steel Limited Metal-coated steel strip

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297499A (en) * 1964-04-02 1967-01-10 Nat Steel Corp Method for heat treating steel strip
JPS608289B2 (en) * 1978-10-16 1985-03-01 日新製鋼株式会社 Method for manufacturing hot-dip galvanized steel sheets with excellent workability
JPS6048570B2 (en) * 1978-12-25 1985-10-28 日新製鋼株式会社 Continuous over-aging treatment method for continuous molten aluminized steel sheets
BE874599A (en) * 1979-03-02 1979-09-03 Centre Rech Metallurgique METHOD FOR MANUFACTURING A COATED STEEL STRIP
JPS61223174A (en) * 1985-03-28 1986-10-03 Sumitomo Metal Ind Ltd Production of zinc alloyed and hot dipped steel sheet
JPS62130268A (en) * 1985-12-02 1987-06-12 Kawasaki Steel Corp Production of hot dip zinc coated mild steel sheet for working subjected to alloying treatment
BE1005288A6 (en) * 1990-09-27 1993-06-22 Centre Rech Metallurgique Installation for the continuous treatment of a galvanised steel strip andprocess for using same
JPH05247619A (en) * 1992-03-03 1993-09-24 Nippon Steel Corp Vertical type galvannealing furnace for manufacturing galvannealed steel sheet

Also Published As

Publication number Publication date
EP0710732B1 (en) 1998-01-07
ATE161898T1 (en) 1998-01-15
DE69501386T2 (en) 1998-07-23
ES2111380T3 (en) 1998-03-01
EP0710732A1 (en) 1996-05-08
FR2726578B1 (en) 1996-11-29
FR2726578A1 (en) 1996-05-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee