[go: up one dir, main page]

GB1101973A - Method of coating ferrous metal with molten aluminium or aluminium alloy - Google Patents

Method of coating ferrous metal with molten aluminium or aluminium alloy

Info

Publication number
GB1101973A
GB1101973A GB4495/65A GB449565A GB1101973A GB 1101973 A GB1101973 A GB 1101973A GB 4495/65 A GB4495/65 A GB 4495/65A GB 449565 A GB449565 A GB 449565A GB 1101973 A GB1101973 A GB 1101973A
Authority
GB
United Kingdom
Prior art keywords
reducing
vapour
ferrous metal
aluminium
molten
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
GB4495/65A
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 GB1101973A publication Critical patent/GB1101973A/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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
    • C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
    • 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
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • 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
    • 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
    • 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
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching

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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

<PICT:1101973/C6-C7/1> A process for coating a ferrous metal article with Al or Al alloy comprises annealing and reducing the surface by heating in a reducing gas, cooling, treating with at least one of the vapours of Bi, Sb, Se, P, As, Pb, Mg, Ca, Sr, Ba, Cd, KF, NaF, LiF, K2TiF6, Na2TiF6, MoO3 and halides of P, Si, Ti, Zr, V, Nb, Ta, Cr, Mo, W, Mn, Pb, As, Sb, Bi, Se, and dipping into molten Al or Al alloy, air being excluded from the surface of the article between the reducing and annealing process and dipping. Steel strip is cleaned by heating and passes through a reducing annealing furnace 3 where it is heated to 800-950 DEG C. in a H2-N2 atmosphere to cooling zones 4, 5. Vapour is introduced over the strip from nozzles 13 above and below the strip before it enters an Al coating bath 7. The vapour is formed in a vapour generating system 11a inside or outside the furnace 3 and is carried to the nozzles by a reducing or inactive gas e.g. N2 or H2-N2 via a heated pipe 12a, the gas flow and temperature of the generating system being regulated to control the vapour flow. When several vapours are used they may be generated separately.
GB4495/65A 1964-02-10 1965-02-02 Method of coating ferrous metal with molten aluminium or aluminium alloy Expired GB1101973A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP679364 1964-02-10
JP1292664 1964-03-09
JP1292764 1964-03-09
JP1292464 1964-03-09
JP1292564 1964-03-09

Publications (1)

Publication Number Publication Date
GB1101973A true GB1101973A (en) 1968-02-07

Family

ID=27518755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4495/65A Expired GB1101973A (en) 1964-02-10 1965-02-02 Method of coating ferrous metal with molten aluminium or aluminium alloy

Country Status (2)

Country Link
US (1) US3457097A (en)
GB (1) GB1101973A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758571A1 (en) * 1997-01-21 1998-07-24 Lorraine Laminage Steel sheet coated with double layer of aluminium@ alloys

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1945508B2 (en) * 1968-09-13 1971-06-09 DEVICE FOR RELEASING METAL DAMPERS
US3983305A (en) * 1973-09-18 1976-09-28 National Steel Corporation Method of increasing the corrosion resistance and improving the organic coating characteristics of cold rolled steel and the products thus prepared
US4155235A (en) * 1977-07-13 1979-05-22 Armco Steel Corporation Production of heavy pure aluminum coatings on small diameter tubing
PL204280B1 (en) * 2002-01-10 2009-12-31 Umicore Preparation of steel surfaces for single-dip aluminium-rich zinc galvanising
KR101829854B1 (en) 2011-04-01 2018-02-20 신닛테츠스미킨 카부시키카이샤 Hot stamp-molded high-strength component having excellent corrosion resistance after coating, and method for manufacturing same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1761850A (en) * 1928-03-17 1930-06-03 Expanded Metal Process for coating, impregnating, or alloying metals and other materials with aluminum and aluminum alloys
BE400959A (en) * 1933-02-24
US2437919A (en) * 1945-07-19 1948-03-16 American Rolling Mill Co Process and means for improving the adherence of aluminum coatings
US2570906A (en) * 1946-07-31 1951-10-09 Alferieff Michel Process for coating metallic objects with other metals
US2664873A (en) * 1946-08-09 1954-01-05 Shell Dev Coated metal product and method of producting same
US2800707A (en) * 1951-08-04 1957-07-30 Whitfield & Sheshunoff Inc Aluminum coated ferrous bodies and processes of making them
US2686355A (en) * 1952-01-19 1954-08-17 Lundin Helen Marie Process for coating metals with aluminum
US3000756A (en) * 1957-08-09 1961-09-19 Wean Engineering Co Inc Hot dip aluminum coating
US3047420A (en) * 1958-11-03 1962-07-31 Inland Steel Co Aluminizing of ferrous metal base
US3027269A (en) * 1959-09-09 1962-03-27 Yawata Iron & Steel Co Process for coating ferrous metal with aluminum
US3051587A (en) * 1960-08-19 1962-08-28 Armco Steel Corp Method of treating metallic strip with sodium vapor
US3018190A (en) * 1960-09-26 1962-01-23 Armco Steel Corp Method and apparatus for treating metallic strands in hot dip coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758571A1 (en) * 1997-01-21 1998-07-24 Lorraine Laminage Steel sheet coated with double layer of aluminium@ alloys

Also Published As

Publication number Publication date
US3457097A (en) 1969-07-22

Similar Documents

Publication Publication Date Title
US2442485A (en) Method of descaling and coating hot-rolled ferrous metal
US3056694A (en) Galvanizing process
US3320085A (en) Galvanizing
US10570472B2 (en) Method of annealing steel sheets
CN105593394A (en) Method for nitriding steel member
JPH04232238A (en) Method for coating steel strip with aluminum by means of high temperature quenching method and steel strip obtained by said method
US2695248A (en) Furnace conveyer element and manufacture thereof
GB1101973A (en) Method of coating ferrous metal with molten aluminium or aluminium alloy
US2401374A (en) Metal coating process and apparatus therefor
US2731145A (en) Method of hot-working steel billets by forging or extrusion
US2459161A (en) Metal coating
US2046036A (en) Method of coating ferrous bodies with other metals
ES352371A1 (en) Atmosphere control in dip-forming process
US2172933A (en) Galvanizing process
US3276903A (en) Heat treatment of metals
GB1260659A (en) Process and apparatus for the production of cold-workable steel
US7122221B2 (en) Method and apparatus for metal vapor coating
US4140552A (en) Method of treating aluminum-killed and low alloy steel strip and sheet surfaces, in sulfur-bearing atmosphere, for metallic coating
US2177031A (en) Continuous heat treatment furance
US4123291A (en) Method of treating steel strip and sheet surfaces, in sulfur-bearing atmosphere, for metallic coating
US3118223A (en) High strength aluminum coated steel
US4123292A (en) Method of treating steel strip and sheet surfaces for metallic coating
US3051587A (en) Method of treating metallic strip with sodium vapor
US3526552A (en) Metal treating
FR2375334A1 (en) Hot dip coating of steel strip without flux - by prior heat treatment in controlled atmos. via coke oven gas with high thermal efficiency (BR 8.8.78)