FR1270939A - Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase - Google Patents

Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase

Info

Publication number
FR1270939A
FR1270939A FR841385A FR841385A FR1270939A FR 1270939 A FR1270939 A FR 1270939A FR 841385 A FR841385 A FR 841385A FR 841385 A FR841385 A FR 841385A FR 1270939 A FR1270939 A FR 1270939A
Authority
FR
France
Prior art keywords
oxalation
degreasing
iron
steel
single phase
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
FR841385A
Other languages
English (en)
Inventor
Paolo De Cerma
Roberto Vironda
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Priority to FR841385A priority Critical patent/FR1270939A/fr
Application granted granted Critical
Publication of FR1270939A publication Critical patent/FR1270939A/fr
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
    • C23C22/06—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
    • 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
    • C23C22/47—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 containing also 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)
FR841385A 1959-10-19 1960-10-17 Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase Expired FR1270939A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841385A FR1270939A (fr) 1959-10-19 1960-10-17 Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1735659 1959-10-19
FR841385A FR1270939A (fr) 1959-10-19 1960-10-17 Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase

Publications (1)

Publication Number Publication Date
FR1270939A true FR1270939A (fr) 1961-09-01

Family

ID=26187831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841385A Expired FR1270939A (fr) 1959-10-19 1960-10-17 Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase

Country Status (1)

Country Link
FR (1) FR1270939A (fr)

Similar Documents

Publication Publication Date Title
FR1270939A (fr) Procédé pour obtenir le dégraissage et l'oxalatation du fer et de l'acier en une seule phase
BE596132A (fr) Procédé pour obtenir le dégraissage et l'oxalatation du fér et de l'acier en une seule phase.
FR1291382A (fr) Procédé de phosphatation du fer et de l'acier
FR1255349A (fr) Procédé pour la fabrication d'aciers alliés et de fer pur
FR1298610A (fr) Procédé et machine pour le moulage sous pression de pièces métalliques
FR1175370A (fr) Bain et procédé de traitement du fer et de l'acier pour le décapage et opérations analogues
FR1204082A (fr) Procédé de fabrication de l'acier dans un convertisseur
CH436089A (fr) Procédé pour accélérer le durcissement du béton
FR1294478A (fr) Procédé de phosphatation du fer et de l'acier
BE611279A (fr) Procédé pour la réduction de minerais de fer au four tubulaire rotatif
FR67015E (fr) Procédé pour la coulée en barres de l'acier et autres métaux
FR1252038A (fr) Procédé et dispositif pour la production du fer et de l'acier
BE607657A (fr) Procédé de phosphatation du fer et de l'acier
BE595624A (fr) Procédé de désoxydation d'acier dans des fours électriques
FR70363E (fr) Procédé pour la coulée en barres de l'acier et autres métaux
FR1169896A (fr) Procédé et installation pour le traitement de pièces en béton en vue d'accélérer la prise du béton
BE574021A (fr) Procédé pour empêcher la rouille sur le fer et ses alliages
BE595665A (fr) Procédé pour couler de l'acier non-calme
FR1275072A (fr) Procédé de formation d'un trou dans du béton
FR1263776A (fr) Procédé pour l'application de revêtements phosphatés minces sur le fer et l'acier
FR75478E (fr) Procédé pour l'application de revêtements phosphatés minces sur le fer et l'acier
FR1156352A (fr) Procédé pour la diffusion dans l'atmosphère d'une substance susceptible de former des noyaux glaçogènes
BE582735A (fr) Procédé et dispositif pour la production du fer et de l'acier
FR1222379A (fr) Procédé d'élaboration de l'acier
FR1222350A (fr) Procédé d'élaboration de l'acier