CA1016423A - Method of treating ferrous strand by hot dip coating procedure - Google Patents

Method of treating ferrous strand by hot dip coating procedure

Info

Publication number
CA1016423A
CA1016423A CA178,351A CA178351A CA1016423A CA 1016423 A CA1016423 A CA 1016423A CA 178351 A CA178351 A CA 178351A CA 1016423 A CA1016423 A CA 1016423A
Authority
CA
Canada
Prior art keywords
dip coating
hot dip
coating procedure
treating ferrous
strand
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
CA178,351A
Other versions
CA178351S (en
Inventor
Robert W. Helman
Leonard P. Pellatiro
Laurence B. Caldwell
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
Application granted granted Critical
Publication of CA1016423A publication Critical patent/CA1016423A/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
    • 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
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • C23C2/004—Snouts
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Coating With Molten Metal (AREA)
CA178,351A 1972-08-09 1973-08-08 Method of treating ferrous strand by hot dip coating procedure Expired CA1016423A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27830472A 1972-08-09 1972-08-09

Publications (1)

Publication Number Publication Date
CA1016423A true CA1016423A (en) 1977-08-30

Family

ID=23064483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,351A Expired CA1016423A (en) 1972-08-09 1973-08-08 Method of treating ferrous strand by hot dip coating procedure

Country Status (11)

Country Link
JP (1) JPS548335B2 (en)
BE (1) BE803307A (en)
CA (1) CA1016423A (en)
DE (1) DE2339916C3 (en)
FR (1) FR2195699B1 (en)
GB (1) GB1436213A (en)
IT (1) IT990172B (en)
LU (1) LU68194A1 (en)
NL (1) NL179146C (en)
SE (1) SE393403B (en)
ZA (1) ZA735088B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758561C2 (en) * 1977-12-29 1984-08-09 Bethlehem Steel Corp., Bethlehem, Pa. Process for coating the surface of iron wire, strip or braid with a silicon-containing aluminum / zinc alloy
FR2413477A2 (en) * 1977-12-30 1979-07-27 Bethlehem Steel Corp Hot dip coating of ferrous metal with aluminium-zinc alloy - using protective atmos. of hydrogen and nitrogen with very low dew point
US4183983A (en) * 1978-08-17 1980-01-15 Selas Corporation Of America Method for reducing metal oxide formation on a continuous metal sheet in the hot dip coating thereof
US4287009A (en) * 1979-11-08 1981-09-01 Bethlehem Steel Corporation Method of producing an aluminum-zinc alloy coated ferrous product to improve corrosion resistance
US4287008A (en) * 1979-11-08 1981-09-01 Bethlehem Steel Corporation Method of improving the ductility of the coating of an aluminum-zinc alloy coated ferrous product
AU543013B2 (en) * 1980-08-19 1985-03-28 Lysaght, J. (Australia) Ltd. Hot-dip coating of ferrous strands
JPS6043476A (en) * 1983-08-17 1985-03-08 Nippon Steel Corp Continuous aluminizing method
US4675214A (en) * 1986-05-20 1987-06-23 Kilbane Farrell M Hot dip aluminum coated chromium alloy steel
DE3933244C1 (en) * 1989-10-05 1990-06-13 Hoesch Stahl Ag, 4600 Dortmund, De Continuous zinc coating appts. for coating metal strip - comprises melt alloy bath covered with hood having hydrogen, steam and inert gas atmos. and control system
BE1004079A6 (en) * 1990-04-17 1992-09-22 Centre Rech Metallurgique Process for forming a coating zinc-aluminum strip steel.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437919A (en) * 1945-07-19 1948-03-16 American Rolling Mill Co Process and means for improving the adherence of aluminum coatings
CH269520A (en) * 1946-07-31 1950-07-15 Alferieff Michel Process for coating metal objects with layers of a different metal.
DE1258242B (en) * 1955-01-11 1968-01-04 United States Steel Corp Process for the production of aluminum-coated welding electrodes made of iron or steel wire

Also Published As

Publication number Publication date
AU5860673A (en) 1975-01-30
LU68194A1 (en) 1974-10-01
FR2195699B1 (en) 1979-01-26
GB1436213A (en) 1976-05-19
JPS548335B2 (en) 1979-04-14
IT990172B (en) 1975-06-20
DE2339916B2 (en) 1981-04-30
SE393403B (en) 1977-05-09
NL179146C (en) 1986-07-16
FR2195699A1 (en) 1974-03-08
NL179146B (en) 1986-02-17
ZA735088B (en) 1974-07-31
JPS4984928A (en) 1974-08-15
BE803307A (en) 1974-02-07
DE2339916A1 (en) 1974-02-28
NL7311038A (en) 1974-02-12
DE2339916C3 (en) 1982-03-18

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