KR870006234A - Pretreatment method with excellent chemical conversion of steel sheet - Google Patents

Pretreatment method with excellent chemical conversion of steel sheet Download PDF

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Publication number
KR870006234A
KR870006234A KR1019850010058A KR850010058A KR870006234A KR 870006234 A KR870006234 A KR 870006234A KR 1019850010058 A KR1019850010058 A KR 1019850010058A KR 850010058 A KR850010058 A KR 850010058A KR 870006234 A KR870006234 A KR 870006234A
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KR
South Korea
Prior art keywords
steel sheet
chemical conversion
pretreatment method
excellent chemical
ppm
Prior art date
Application number
KR1019850010058A
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Korean (ko)
Other versions
KR880002014B1 (en
Inventor
박찬섭
Original Assignee
안병화
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.)
Filing date
Publication date
Application filed by 안병화, 포항종합제철 주식회사 filed Critical 안병화
Priority to KR1019850010058A priority Critical patent/KR880002014B1/en
Publication of KR870006234A publication Critical patent/KR870006234A/en
Application granted granted Critical
Publication of KR880002014B1 publication Critical patent/KR880002014B1/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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/78—Pretreatment of the material to be coated

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

내용 없음No content

Description

강판의 화성처리성이 우수한 전처리방법Pretreatment method with excellent chemical conversion of steel sheet

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

Claims (1)

강판의 인산염 처리를 실시하기 이전에 마그네슘 이온 3-1000ppm, 티타늄 이온 10-100ppm을 포함한 수용액을 강판 표면에 도포하는 것을 특징으로 하는 강판의 화성처리성의 우수한 전처리방법.An excellent pretreatment method for chemical conversion treatment of a steel sheet, wherein an aqueous solution containing 3-1000 ppm of magnesium ions and 10-100 ppm of titanium ions is applied to the surface of the steel sheet before the phosphate treatment of the steel sheet. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850010058A 1985-12-31 1985-12-31 Preteratment method of phosphorous acid salt treatment KR880002014B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850010058A KR880002014B1 (en) 1985-12-31 1985-12-31 Preteratment method of phosphorous acid salt treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850010058A KR880002014B1 (en) 1985-12-31 1985-12-31 Preteratment method of phosphorous acid salt treatment

Publications (2)

Publication Number Publication Date
KR870006234A true KR870006234A (en) 1987-07-10
KR880002014B1 KR880002014B1 (en) 1988-10-12

Family

ID=19244567

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850010058A KR880002014B1 (en) 1985-12-31 1985-12-31 Preteratment method of phosphorous acid salt treatment

Country Status (1)

Country Link
KR (1) KR880002014B1 (en)

Also Published As

Publication number Publication date
KR880002014B1 (en) 1988-10-12

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