KR960023195A - Manufacturing method of high tensile alloyed hot dip galvanized steel sheet with excellent workability and corrosion resistance - Google Patents

Manufacturing method of high tensile alloyed hot dip galvanized steel sheet with excellent workability and corrosion resistance Download PDF

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Publication number
KR960023195A
KR960023195A KR1019940032487A KR19940032487A KR960023195A KR 960023195 A KR960023195 A KR 960023195A KR 1019940032487 A KR1019940032487 A KR 1019940032487A KR 19940032487 A KR19940032487 A KR 19940032487A KR 960023195 A KR960023195 A KR 960023195A
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KR
South Korea
Prior art keywords
dip galvanized
steel sheet
hot
galvanized steel
corrosion resistance
Prior art date
Application number
KR1019940032487A
Other languages
Korean (ko)
Other versions
KR0146886B1 (en
Inventor
배대철
Original Assignee
김만제
포항종합제철 주식회사
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.)
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Application filed by 김만제, 포항종합제철 주식회사 filed Critical 김만제
Priority to KR1019940032487A priority Critical patent/KR0146886B1/en
Publication of KR960023195A publication Critical patent/KR960023195A/en
Application granted granted Critical
Publication of KR0146886B1 publication Critical patent/KR0146886B1/en

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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
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C22C33/06—Making ferrous alloys by melting using master alloys
    • 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
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates
    • 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
    • C23C2/34—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
    • C23C2/40—Plates; Strips

Abstract

본 발명은 통상의 아연도금욕 조성에서 도금 및 공기분사에 의한 부착량 조정을 거쳐 적정 온도에서의 합금과 처리를 실시하므로서 프레스 가공시 내파우더링성이 우수하고 도장 후 내식성이 우수한 합금화 용융아연도금강판을 제조할 수 있는 방법을 제공하고자 함에 그 목적이 있다.The present invention provides an alloyed hot-dip galvanized steel sheet having excellent powdering resistance during press working and excellent corrosion resistance after coating by performing treatment with an alloy at an appropriate temperature by adjusting the adhesion amount by plating and air spraying in a conventional galvanizing bath composition. The purpose is to provide a method which can be manufactured.

본 발명은 티타늄-인 복합첨가 극저탄소강을 소둔하고 용융아연 도금한 후, 합금화 처리하여 합금화 용융아연도금강판을 제조하는 방법에 있어서, 상기 용융아연 도금시 도금부착량이 80∼100g/m2범위가 되도록 용융아연 도금한 후, 500∼540℃ 온도범위에서 합금화 처리하여 가공성 및 내식성이 우수한 합금화 용융아연도금 강판을 제조하는 방법을 제공함을 그 요지로 한다.The present invention is a method for producing an alloyed hot dip galvanized steel sheet by annealing and hot-dip galvanizing titanium-phosphorus composite addition ultra low carbon steel, the coating adhesion amount during the hot-dip galvanizing range 80 ~ 100g / m 2 The present invention is to provide a method for producing an alloyed hot-dip galvanized steel sheet excellent in workability and corrosion resistance after the hot-dip galvanized so as to be alloyed at 500 ~ 540 ℃ temperature range.

Description

가공성 및 내식성이 우수한 고장력 합금화 용융아연도금강판의 제조방법Manufacturing method of high tensile alloyed hot dip galvanized steel sheet with excellent workability and corrosion resistance

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (1)

티타늄-인 복합첨가 극저탄소강을 소둔하고 용융아연 도금한 후, 합금화 처리하여 합금화 용융아연도금강판을 제조하는 방법에 있어서, 상기 용융아연 도금시 도금부착량이 80∼100g/m2범위가 되도록 용융아연 도금한 후, 500∼540℃ 온도범위에서 합금화 처리하는 것을 특징으로 하는 가공성 및 내식성이 우수한 합금화 용융아연도금 강판의 제조방법.In the method of producing an alloyed hot-dip galvanized steel sheet by annealing and hot-dip galvanizing titanium-phosphorus compounded ultra low carbon steel, the molten coating so that the coating adhesion amount during the hot-dip galvanizing is in the range of 80 ~ 100g / m 2 Process for producing an alloyed hot dip galvanized steel sheet excellent in workability and corrosion resistance, characterized in that after the zinc plating, the alloying treatment at a temperature range of 500 ~ 540 ℃. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940032487A 1994-12-02 1994-12-02 Method for manufacturing hot-dipped zn-alloy coated steel sheet for the good machinability and anti-corrossion KR0146886B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940032487A KR0146886B1 (en) 1994-12-02 1994-12-02 Method for manufacturing hot-dipped zn-alloy coated steel sheet for the good machinability and anti-corrossion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940032487A KR0146886B1 (en) 1994-12-02 1994-12-02 Method for manufacturing hot-dipped zn-alloy coated steel sheet for the good machinability and anti-corrossion

Publications (2)

Publication Number Publication Date
KR960023195A true KR960023195A (en) 1996-07-18
KR0146886B1 KR0146886B1 (en) 1998-11-02

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KR1019940032487A KR0146886B1 (en) 1994-12-02 1994-12-02 Method for manufacturing hot-dipped zn-alloy coated steel sheet for the good machinability and anti-corrossion

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100356163B1 (en) * 1998-07-15 2002-11-18 주식회사 포스코 Manufacturing method of semi-alloyed hot dip galvanized steel sheet

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KR0146886B1 (en) 1998-11-02

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