JPS56130460A - One-side hot dipping method for steel strip - Google Patents

One-side hot dipping method for steel strip

Info

Publication number
JPS56130460A
JPS56130460A JP3340280A JP3340280A JPS56130460A JP S56130460 A JPS56130460 A JP S56130460A JP 3340280 A JP3340280 A JP 3340280A JP 3340280 A JP3340280 A JP 3340280A JP S56130460 A JPS56130460 A JP S56130460A
Authority
JP
Japan
Prior art keywords
metal
frequency
steel strip
pump
hot dipping
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.)
Pending
Application number
JP3340280A
Other languages
Japanese (ja)
Inventor
Yukinobu Higuchi
Kazuhiro Tano
Minoru Kamata
Susumu Okamoto
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP3340280A priority Critical patent/JPS56130460A/en
Publication of JPS56130460A publication Critical patent/JPS56130460A/en
Pending 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
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the 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
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • 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
    • C23C2/006—Pattern or selective deposits
    • C23C2/0062—Pattern or selective deposits without pre-treatment of the material to be coated, e.g. using masking elements such as casings, shields, fixtures or blocking elements

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

PURPOSE:To obtain a one-side hot dipped steel having a uniform amount of metal stuck by protruding part of a molten metal bath for hot dipping from the surface with an electromagnetic pump at a specified low value or less of frequency and sticking the part to the under side of a passing steel strip. CONSTITUTION:Part of molten metal 2 such as molten Zn for hot dipping kept in a nonoxidizing atmosphere is moved upward from the bath surface with metal circulating spout 6 at <=20Hz frequency from electromagnetic pump 5. Moving metal 2 is brought into contact with the under side of steel strip 9 guided with deflector rolls 7, 8 to manufacture a one-side hot dipped steel sheet. At this time, the frequency of pump 5 applying thrust to metal 2 is adjusted to a range where spout 6 is prevented from being heated and the protruded flow of metal 2 is uniformly fed and stuck to the under side of strip 9 running over the metal bath at 10-100mm. height. The frequency of pump 5 is preferably 1-10, especially preferably 1-5Hz.
JP3340280A 1980-03-18 1980-03-18 One-side hot dipping method for steel strip Pending JPS56130460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3340280A JPS56130460A (en) 1980-03-18 1980-03-18 One-side hot dipping method for steel strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3340280A JPS56130460A (en) 1980-03-18 1980-03-18 One-side hot dipping method for steel strip

Publications (1)

Publication Number Publication Date
JPS56130460A true JPS56130460A (en) 1981-10-13

Family

ID=12385593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3340280A Pending JPS56130460A (en) 1980-03-18 1980-03-18 One-side hot dipping method for steel strip

Country Status (1)

Country Link
JP (1) JPS56130460A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59126767A (en) * 1983-01-11 1984-07-21 Sumitomo Electric Ind Ltd Continuous hot-dipping method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59126767A (en) * 1983-01-11 1984-07-21 Sumitomo Electric Ind Ltd Continuous hot-dipping method

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