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ES436789A1 - Continuous hot dip coating of small diameter strand - Google Patents

Continuous hot dip coating of small diameter strand

Info

Publication number
ES436789A1
ES436789A1 ES436789A ES436789A ES436789A1 ES 436789 A1 ES436789 A1 ES 436789A1 ES 436789 A ES436789 A ES 436789A ES 436789 A ES436789 A ES 436789A ES 436789 A1 ES436789 A1 ES 436789A1
Authority
ES
Spain
Prior art keywords
tube
coating
bath
temperature
small diameter
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
ES436789A
Other languages
Spanish (es)
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.)
Armco Inc
Original Assignee
Armco Inc
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 Armco Inc filed Critical Armco Inc
Publication of ES436789A1 publication Critical patent/ES436789A1/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
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/38—Wires; Tubes

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

Procedure for coating small diameter steel tubes with metal, characterized in that it comprises the steps of: moving the tube in one path, while heating the tube to a temperature of the order of 300º to 700ºC to burn any surface contamination; the tube is further heated by induction heating to at least a temperature of 650ºC for a time sufficient to effect virtually complete recrystallization; the tube is jet-cooled to approximately bath temperature for coating; passing the tube ascending vertically through a molten plating metal bath; protect the tube from oxidation by a protective atmosphere from the moment it is first heated until it enters the molten metal bath; jet finish the coated tube immediately after emerging from the coating bath; and rapidly cooling the coated tube with water to produce rapid solidification of the coating. (Machine-translation by Google Translate, not legally binding)
ES436789A 1974-04-22 1975-04-21 Continuous hot dip coating of small diameter strand Expired ES436789A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46262174A 1974-04-22 1974-04-22

Publications (1)

Publication Number Publication Date
ES436789A1 true ES436789A1 (en) 1977-01-01

Family

ID=23837118

Family Applications (1)

Application Number Title Priority Date Filing Date
ES436789A Expired ES436789A1 (en) 1974-04-22 1975-04-21 Continuous hot dip coating of small diameter strand

Country Status (7)

Country Link
JP (1) JPS5647259B2 (en)
DE (1) DE2516621C2 (en)
ES (1) ES436789A1 (en)
FR (1) FR2268085B1 (en)
GB (1) GB1456188A (en)
IT (1) IT1035228B (en)
SE (1) SE7504581L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155235A (en) * 1977-07-13 1979-05-22 Armco Steel Corporation Production of heavy pure aluminum coatings on small diameter tubing
JPS6058787B2 (en) * 1981-03-10 1985-12-21 興国鋼線索株式会社 High-speed dip coating method and device for linear bodies
JPS58189364A (en) * 1982-04-26 1983-11-05 Showa Electric Wire & Cable Co Ltd Manufacture of collectively tinned twisted wire
AU616989B2 (en) * 1988-08-24 1991-11-14 Australian Wire Industries Pty Ltd Stabilization of jet wiped wire

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401374A (en) * 1939-08-08 1946-06-04 Armzen Company Metal coating process and apparatus therefor
JPS4936583A (en) * 1972-08-10 1974-04-04

Also Published As

Publication number Publication date
DE2516621C2 (en) 1982-12-02
JPS5647259B2 (en) 1981-11-09
SE7504581L (en) 1975-10-23
JPS50146526A (en) 1975-11-25
FR2268085A1 (en) 1975-11-14
IT1035228B (en) 1979-10-20
FR2268085B1 (en) 1977-07-22
DE2516621A1 (en) 1975-10-30
GB1456188A (en) 1976-11-17

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