KR890010271A - 아연도금 강판의 크로메이트 처리용액 - Google Patents

아연도금 강판의 크로메이트 처리용액 Download PDF

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Publication number
KR890010271A
KR890010271A KR1019870015124A KR870015124A KR890010271A KR 890010271 A KR890010271 A KR 890010271A KR 1019870015124 A KR1019870015124 A KR 1019870015124A KR 870015124 A KR870015124 A KR 870015124A KR 890010271 A KR890010271 A KR 890010271A
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KR
South Korea
Prior art keywords
steel sheet
galvanized steel
treatment solution
chromate treatment
solution
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Application number
KR1019870015124A
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English (en)
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KR900000759B1 (ko
Inventor
김상헌
Original Assignee
정명식
포항종합제철 주식회사
박태준
재단법인 산업과학기술연구소
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Priority to KR1019870015124A priority Critical patent/KR900000759B1/ko
Publication of KR890010271A publication Critical patent/KR890010271A/ko
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Publication of KR900000759B1 publication Critical patent/KR900000759B1/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
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6

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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 없음

Description

아연도금 강판의 크로메이트 처리용액
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 크로메이트 용액 조건에 따른 Cr 부착량 및 니식성 변화 그래프.
제2도는 크로메이트 용액 조건에 따른 Cr 부착량 및 표면외관 변화 그래프.

Claims (1)

  1. 통상의 크로메이트 용액의 크롬(Cr) 농도를 갖는 용액에 Cl-, NO- 3, F-를 각각 1-1.5 : 1-1.5 : 2-2.5의 비율이 되도록 7-12g/L 첨가하고, 황산이온(SO3- 4)을 0.01-0.5g/L 첨가하여 최종 pH가 0.6-1.0이 되도록 한 것을 특징으로 하는 아연도금 강판의 크로메이트 처리용액.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870015124A 1987-12-28 1987-12-28 아연도금 강판의 크로메이트 처리용액 KR900000759B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870015124A KR900000759B1 (ko) 1987-12-28 1987-12-28 아연도금 강판의 크로메이트 처리용액

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870015124A KR900000759B1 (ko) 1987-12-28 1987-12-28 아연도금 강판의 크로메이트 처리용액

Publications (2)

Publication Number Publication Date
KR890010271A true KR890010271A (ko) 1989-08-07
KR900000759B1 KR900000759B1 (ko) 1990-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870015124A KR900000759B1 (ko) 1987-12-28 1987-12-28 아연도금 강판의 크로메이트 처리용액

Country Status (1)

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KR (1) KR900000759B1 (ko)

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Publication number Publication date
KR900000759B1 (ko) 1990-02-15

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