JPS5651595A - Production of chromic acid treated steel plate for adhered can - Google Patents

Production of chromic acid treated steel plate for adhered can

Info

Publication number
JPS5651595A
JPS5651595A JP12790179A JP12790179A JPS5651595A JP S5651595 A JPS5651595 A JP S5651595A JP 12790179 A JP12790179 A JP 12790179A JP 12790179 A JP12790179 A JP 12790179A JP S5651595 A JPS5651595 A JP S5651595A
Authority
JP
Japan
Prior art keywords
steel plate
contg
soln
subjected
chromic 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.)
Granted
Application number
JP12790179A
Other languages
Japanese (ja)
Other versions
JPS6213439B2 (en
Inventor
Hajime Hinoto
Yashichi Oyagi
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 JP12790179A priority Critical patent/JPS5651595A/en
Publication of JPS5651595A publication Critical patent/JPS5651595A/en
Publication of JPS6213439B2 publication Critical patent/JPS6213439B2/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
    • C23C22/78—Pretreatment of the material to be coated

Abstract

PURPOSE:To obtain a titled treated steel plate which causes less degradation of adhesive strength owing to retort treatment by subjecting a steel plate to electrolytic treatment is a soln. contg. fluoride or HF or respectively specified contents of chromic acid and sulfuric acid and weight ratio of F/S. CONSTITUTION:A steel plate is subjected to pretreatment (surface activation) by such a method of dipping the same in a soln. contg. 0.5-20% one or more kinds of organic acids such as formic acid or tartaric acid, after which it is subjected to electrolytic treatment in the following manner. Namely, the steel plate having undergone such pretreatment is subjected to electrolytic treatment in a soln. contg. 40-200g/l chromic acid and <100ppm sulfuric acid groups and contg. alkali metal salt or NH4 salt of F and HF so to make F/S >=10wt%, preferably >=15wt%. NaF, KF, LiF, etc. are used as the alkali metal salt of F. As a result, the amount of SO4 codepositing in hydrated chromium oxide at the electrolysis is made exceedingly small and the steel plate of less degradation in strength of the adhered part is obtained.
JP12790179A 1979-10-05 1979-10-05 Production of chromic acid treated steel plate for adhered can Granted JPS5651595A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12790179A JPS5651595A (en) 1979-10-05 1979-10-05 Production of chromic acid treated steel plate for adhered can

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12790179A JPS5651595A (en) 1979-10-05 1979-10-05 Production of chromic acid treated steel plate for adhered can

Publications (2)

Publication Number Publication Date
JPS5651595A true JPS5651595A (en) 1981-05-09
JPS6213439B2 JPS6213439B2 (en) 1987-03-26

Family

ID=14971459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12790179A Granted JPS5651595A (en) 1979-10-05 1979-10-05 Production of chromic acid treated steel plate for adhered can

Country Status (1)

Country Link
JP (1) JPS5651595A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6335796A (en) * 1986-07-30 1988-02-16 Nippon Steel Corp Production of electrolytically chromated steel sheet for adhered can

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925537A (en) * 1972-06-30 1974-03-07
JPS5616698A (en) * 1979-07-23 1981-02-17 Nippon Kokan Kk <Nkk> Preparation of electrolytic chromate treated steel sheet having superior wet adhesive property

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925537A (en) * 1972-06-30 1974-03-07
JPS5616698A (en) * 1979-07-23 1981-02-17 Nippon Kokan Kk <Nkk> Preparation of electrolytic chromate treated steel sheet having superior wet adhesive property

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6335796A (en) * 1986-07-30 1988-02-16 Nippon Steel Corp Production of electrolytically chromated steel sheet for adhered can

Also Published As

Publication number Publication date
JPS6213439B2 (en) 1987-03-26

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