JPH0420992B2 - - Google Patents

Info

Publication number
JPH0420992B2
JPH0420992B2 JP63067896A JP6789688A JPH0420992B2 JP H0420992 B2 JPH0420992 B2 JP H0420992B2 JP 63067896 A JP63067896 A JP 63067896A JP 6789688 A JP6789688 A JP 6789688A JP H0420992 B2 JPH0420992 B2 JP H0420992B2
Authority
JP
Japan
Prior art keywords
plated steel
chromate
corrosion resistance
ions
phosphoric acid
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.)
Expired - Lifetime
Application number
JP63067896A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01240673A (ja
Inventor
Katsushi Saito
Jujiro Myauchi
Koichi Wada
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 JP6789688A priority Critical patent/JPH01240673A/ja
Publication of JPH01240673A publication Critical patent/JPH01240673A/ja
Publication of JPH0420992B2 publication Critical patent/JPH0420992B2/ja
Granted 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
    • 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
    • C23C22/24—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 containing hexavalent chromium compounds
    • C23C22/33—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 containing hexavalent chromium compounds containing also phosphates

Landscapes

  • 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)
JP6789688A 1988-03-22 1988-03-22 耐食性に優れたゴールド色クロメート処理メッキ鋼板の製造方法 Granted JPH01240673A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6789688A JPH01240673A (ja) 1988-03-22 1988-03-22 耐食性に優れたゴールド色クロメート処理メッキ鋼板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6789688A JPH01240673A (ja) 1988-03-22 1988-03-22 耐食性に優れたゴールド色クロメート処理メッキ鋼板の製造方法

Publications (2)

Publication Number Publication Date
JPH01240673A JPH01240673A (ja) 1989-09-26
JPH0420992B2 true JPH0420992B2 (enrdf_load_stackoverflow) 1992-04-07

Family

ID=13358117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6789688A Granted JPH01240673A (ja) 1988-03-22 1988-03-22 耐食性に優れたゴールド色クロメート処理メッキ鋼板の製造方法

Country Status (1)

Country Link
JP (1) JPH01240673A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077988A (ja) * 1983-10-05 1985-05-02 Nippon Steel Corp 耐黒変性電気Ζｎメツキ鋼板の製造法
CA1256003A (en) * 1984-03-23 1989-06-20 Parker Chemical Company Metal base coating composition comprising chromium, silica and phosphate and process for coating metal therewith
JPS63137180A (ja) * 1986-11-28 1988-06-09 Nkk Corp 亜鉛または亜鉛合金メツキ鋼板のクロメ−ト処理方法

Also Published As

Publication number Publication date
JPH01240673A (ja) 1989-09-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term