IT993779B - Processo di fosfatazione del ferro e dell acciaio - Google Patents

Processo di fosfatazione del ferro e dell acciaio

Info

Publication number
IT993779B
IT993779B IT2819673A IT2819673A IT993779B IT 993779 B IT993779 B IT 993779B IT 2819673 A IT2819673 A IT 2819673A IT 2819673 A IT2819673 A IT 2819673A IT 993779 B IT993779 B IT 993779B
Authority
IT
Italy
Prior art keywords
phosphating
iron
steel
Prior art date
Application number
IT2819673A
Other languages
English (en)
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of IT993779B publication Critical patent/IT993779B/it

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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
    • 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
    • C23C22/07—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 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)
IT2819673A 1972-08-25 1973-08-24 Processo di fosfatazione del ferro e dell acciaio IT993779B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722241798 DE2241798C2 (de) 1972-08-25 1972-08-25 Verfahren zur Phosphatierung von Eisen und Stahl

Publications (1)

Publication Number Publication Date
IT993779B true IT993779B (it) 1975-09-30

Family

ID=5854494

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2819673A IT993779B (it) 1972-08-25 1973-08-24 Processo di fosfatazione del ferro e dell acciaio

Country Status (8)

Country Link
AT (1) AT321055B (it)
BE (1) BE800218A (it)
DE (1) DE2241798C2 (it)
ES (1) ES416423A1 (it)
FR (1) FR2197075B1 (it)
IT (1) IT993779B (it)
NL (1) NL172465C (it)
SE (1) SE385130B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316751A (en) * 1980-04-14 1982-02-23 Hooker Chemicals & Plastics Corp. Electrical resistance coating for steel
DE3325974A1 (de) * 1983-07-19 1985-01-31 Gerhard Collardin GmbH, 5000 Köln Verfahren und universell anwendbare mittel zum beschleunigten aufbringen von phosphatueberzuegen auf metalloberflaechen
DE3840668A1 (de) * 1988-12-02 1990-06-07 Metallgesellschaft Ag Verfahren beim phosphatieren von metalloberflaechen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487137A (en) * 1947-09-10 1949-11-08 Armco Steel Corp Producing coatings on metal

Also Published As

Publication number Publication date
AT321055B (de) 1975-03-10
ES416423A1 (es) 1976-03-01
NL7310113A (it) 1974-02-27
FR2197075B1 (it) 1980-07-25
BE800218A (fr) 1973-09-17
FR2197075A1 (it) 1974-03-22
NL172465C (nl) 1983-09-01
DE2241798C2 (de) 1982-03-11
NL172465B (nl) 1983-04-05
SE385130B (sv) 1976-06-08
DE2241798A1 (de) 1974-03-07

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