FR2359217A1 - Oxalate conversion coating low alloy steels - with soln. contg. oxalate, tungstate and opt. borate and chloride ions - Google Patents

Oxalate conversion coating low alloy steels - with soln. contg. oxalate, tungstate and opt. borate and chloride ions

Info

Publication number
FR2359217A1
FR2359217A1 FR7721689A FR7721689A FR2359217A1 FR 2359217 A1 FR2359217 A1 FR 2359217A1 FR 7721689 A FR7721689 A FR 7721689A FR 7721689 A FR7721689 A FR 7721689A FR 2359217 A1 FR2359217 A1 FR 2359217A1
Authority
FR
France
Prior art keywords
oxalate
soln
contg
tungstate
opt
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.)
Withdrawn
Application number
FR7721689A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2359217A1 publication Critical patent/FR2359217A1/en
Withdrawn legal-status Critical Current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
    • C23C22/46—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 oxalates

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)
  • Metal Extraction Processes (AREA)
  • Lubricants (AREA)

Abstract

A C-steel contg. 10%C or an alloy steel, excepting stainless steel, contg. 10%Cr and 2%Mo is surface treated by immersing in an aq. soln. contg. an oxalate ion and a tungstate ion and opt. a borate ion, the amt. of the latter being 10% of that of the oxalate ion, and opt. 0.5-3.0g/l of Cl-. The surface coating provides a lubricating layer during cold working. It is thought that dissolved Fe reacts with the tungstate to give a hard and thick coating which adheres well to the substrate. Consequently the Fe concn. in the soln. does not increase and the amt. of Fe slime formed is reduced leading to increased life and stability of the soln. Borate ions retard the reaction and in combination with tungstate ions give a coherent, hard coating.
FR7721689A 1976-07-21 1977-07-13 Oxalate conversion coating low alloy steels - with soln. contg. oxalate, tungstate and opt. borate and chloride ions Withdrawn FR2359217A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8598176A JPS5311840A (en) 1976-07-21 1976-07-21 Surface treatment of carbon steel and alloyed steel for cold working

Publications (1)

Publication Number Publication Date
FR2359217A1 true FR2359217A1 (en) 1978-02-17

Family

ID=13873871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7721689A Withdrawn FR2359217A1 (en) 1976-07-21 1977-07-13 Oxalate conversion coating low alloy steels - with soln. contg. oxalate, tungstate and opt. borate and chloride ions

Country Status (8)

Country Link
JP (1) JPS5311840A (en)
AT (1) AT350349B (en)
BE (1) BE856823A (en)
DE (1) DE2732261A1 (en)
ES (1) ES460921A1 (en)
FR (1) FR2359217A1 (en)
IT (1) IT1080783B (en)
SE (1) SE7708381L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815591A (en) * 1981-07-21 1983-01-28 Nippon Steel Corp Lubricant for hot rolling
JP2701277B2 (en) * 1987-12-09 1998-01-21 日産自動車株式会社 Work processing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533931A (en) * 1976-06-30 1978-01-14 Sumitomo Metal Ind Chemical conversion treatment for forming lubricating coating on steel member for cold working

Also Published As

Publication number Publication date
DE2732261A1 (en) 1978-01-26
IT1080783B (en) 1985-05-16
BE856823A (en) 1977-10-31
AT350349B (en) 1979-05-25
SE7708381L (en) 1978-01-22
ATA519377A (en) 1978-10-15
JPS5311840A (en) 1978-02-02
ES460921A1 (en) 1978-05-16

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