FR620643A - Procédé de traitement d'articles en fer et acier - Google Patents

Procédé de traitement d'articles en fer et acier

Info

Publication number
FR620643A
FR620643A FR620643DA FR620643A FR 620643 A FR620643 A FR 620643A FR 620643D A FR620643D A FR 620643DA FR 620643 A FR620643 A FR 620643A
Authority
FR
France
Prior art keywords
iron
processing process
steel articles
articles
steel
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
Other languages
English (en)
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.)
METALS PROT CORP
Original Assignee
METALS PROT 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 METALS PROT CORP filed Critical METALS PROT CORP
Application granted granted Critical
Publication of FR620643A publication Critical patent/FR620643A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Laminated Bodies (AREA)
  • Chemical Treatment Of Metals (AREA)
FR620643D 1926-01-25 1926-08-26 Procédé de traitement d'articles en fer et acier Expired FR620643A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US264788XA 1926-01-25 1926-01-25

Publications (1)

Publication Number Publication Date
FR620643A true FR620643A (fr) 1927-04-26

Family

ID=21832061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620643D Expired FR620643A (fr) 1926-01-25 1926-08-26 Procédé de traitement d'articles en fer et acier

Country Status (3)

Country Link
DE (1) DE485622C (fr)
FR (1) FR620643A (fr)
GB (1) GB264788A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH291524A (it) * 1949-07-12 1953-06-30 Fantini Lorenzo Procedimento per rendere oggetti di materiale ferroso, particolarmente di acciaio, resistenti alla formazione della ruggine.
US3350285A (en) * 1963-07-20 1967-10-31 Ngk Insulators Ltd Method of forming rust-proofing and corrosion-resisting coating on metal surfaces
US3383293A (en) * 1967-03-03 1968-05-14 Plastic Clad Metal Products In Processes for drawing and coating metal substrates
JPS59185567A (ja) * 1983-04-08 1984-10-22 Usui Internatl Ind Co Ltd 接着結合してなる鋳鉄部材の前処理方法
DE19804846A1 (de) * 1998-01-30 1999-08-05 Ethicon Gmbh Verfahren zum Herstellen von geschwärzten chirurgischen Nadeln

Also Published As

Publication number Publication date
GB264788A (en) 1927-05-26
DE485622C (de) 1929-11-02

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