ES394520A1 - Procedure for the treatment of metal surfaces. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the treatment of metal surfaces. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES394520A1
ES394520A1 ES394520A ES394520A ES394520A1 ES 394520 A1 ES394520 A1 ES 394520A1 ES 394520 A ES394520 A ES 394520A ES 394520 A ES394520 A ES 394520A ES 394520 A1 ES394520 A1 ES 394520A1
Authority
ES
Spain
Prior art keywords
treatment
translation
machine
legally binding
google translate
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
Application number
ES394520A
Other languages
Spanish (es)
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.)
STE CONTINENTALE PARKER
Original Assignee
STE CONTINENTALE PARKER
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 STE CONTINENTALE PARKER filed Critical STE CONTINENTALE PARKER
Publication of ES394520A1 publication Critical patent/ES394520A1/en
Expired 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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8

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)

Abstract

Process for the treatment of metallic surfaces, provided with a chemical coating that is an integral part of these surfaces or that has undergone a surface preparation by mechanical or chemical means, characterized in that a treatment solution containing a metallic surface is applied to said metallic surfaces. Sufficient amount of an alkaline agent to give a ph of 6 to 10, at least 0.01 g/liter of trivalent chromium ions bound together by an organic complete agent and hexavalent chromium ions in an amount such that the ratio hexavalent chromium ions/trivalent chromium ions is between 10/1 and 1/1. (Machine-translation by Google Translate, not legally binding)
ES394520A 1970-12-24 1971-08-25 Procedure for the treatment of metal surfaces. (Machine-translation by Google Translate, not legally binding) Expired ES394520A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7046683A FR2119250A5 (en) 1970-12-24 1970-12-24 Surface treatment of metals - by chromium contg solns to impart corrosion resistance

Publications (1)

Publication Number Publication Date
ES394520A1 true ES394520A1 (en) 1974-03-01

Family

ID=9066365

Family Applications (1)

Application Number Title Priority Date Filing Date
ES394520A Expired ES394520A1 (en) 1970-12-24 1971-08-25 Procedure for the treatment of metal surfaces. (Machine-translation by Google Translate, not legally binding)

Country Status (3)

Country Link
BE (1) BE770794A (en)
ES (1) ES394520A1 (en)
FR (1) FR2119250A5 (en)

Also Published As

Publication number Publication date
FR2119250A5 (en) 1972-08-04
BE770794A (en) 1971-12-01

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