KR940014877A - 내파우더링성이 우수한 아연-철 합금화 용융아연 도금강판의 제조방법 - Google Patents

내파우더링성이 우수한 아연-철 합금화 용융아연 도금강판의 제조방법 Download PDF

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Publication number
KR940014877A
KR940014877A KR1019920026472A KR920026472A KR940014877A KR 940014877 A KR940014877 A KR 940014877A KR 1019920026472 A KR1019920026472 A KR 1019920026472A KR 920026472 A KR920026472 A KR 920026472A KR 940014877 A KR940014877 A KR 940014877A
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KR
South Korea
Prior art keywords
steel sheet
galvanized steel
dip galvanized
zinc
hot
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Application number
KR1019920026472A
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English (en)
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KR950004777B1 (ko
Inventor
최영민
조용균
Original Assignee
박득표
포항종합제철주식회사
백덕현
재단법인산업과학기술연구소
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Priority to KR1019920026472A priority Critical patent/KR950004777B1/ko
Publication of KR940014877A publication Critical patent/KR940014877A/ko
Application granted granted Critical
Publication of KR950004777B1 publication Critical patent/KR950004777B1/ko

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    • 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
    • C23C2/29—Cooling or quenching
    • 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
    • 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

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  • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Coating With Molten Metal (AREA)

Abstract

본 발명은 연속식 용융아연도금강판 제조공정중 아연-철 합금화 용융아연 도금강판을 제조하기 위한 방법에 관한 것으로서, 용융아연도금후에 합금화 열처리를 행하고 산세처리를 실시하므로서 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판을 제공하고자 하는데, 그 목적이 있다.
본 발명은 통상의 아연-철 합금화 용융아연도금강판을 제조하는 방법에 있어서, 통상의 용융도금욕에서 용융아연도금한 후에 400-470℃의 열처리온도에서 10-15초동안 합금한 열처리를 행하고, 15-20℃/sec의 냉각속도로 냉각한 다음, 염산농도가 5-10wt%인 수용액에서 5-20초동안 산세처리하므로서 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판을 제조하는 방법을 그 요지로 한다.

Description

내파우더링성이 우수한 아연-철 합금화 용융아연 도금강판의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 합금화 열처리온도에 따르는 합금층 구조를 나타내는 합금층 구조도.

Claims (1)

  1. 통상의 아연-철 합금화 용융아연도금강판의 제조방법에 있어서, 통상의 용융도금욕에서 용융아연도금한 후에 400-470℃의 열처리온도에서 10-15초동안 합금화 열처리를 행하고, 15-20℃/sec의 냉각속도로 냉각한 다음, 염산농도가 5-10wt%인 수용액에서 5-20초동안 산세처리하는 것을 특징으로 하는 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판
    ※참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019920026472A 1992-12-30 1992-12-30 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판의 제조방법 KR950004777B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920026472A KR950004777B1 (ko) 1992-12-30 1992-12-30 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920026472A KR950004777B1 (ko) 1992-12-30 1992-12-30 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판의 제조방법

Publications (2)

Publication Number Publication Date
KR940014877A true KR940014877A (ko) 1994-07-19
KR950004777B1 KR950004777B1 (ko) 1995-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920026472A KR950004777B1 (ko) 1992-12-30 1992-12-30 내파우더링성이 우수한 아연-철 합금화 용융아연도금강판의 제조방법

Country Status (1)

Country Link
KR (1) KR950004777B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100985345B1 (ko) * 2003-08-01 2010-10-04 주식회사 포스코 Ｇｉ／ｇａ 작업변경 효율이 우수한 용융도금방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100985345B1 (ko) * 2003-08-01 2010-10-04 주식회사 포스코 Ｇｉ／ｇａ 작업변경 효율이 우수한 용융도금방법

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Publication number Publication date
KR950004777B1 (ko) 1995-05-10

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