ES173545A1 - PROCEDURE FOR OBTAINING PHOSPHATE LAYERS ON IRON AND STEEL - Google Patents
PROCEDURE FOR OBTAINING PHOSPHATE LAYERS ON IRON AND STEELInfo
- Publication number
- ES173545A1 ES173545A1 ES0173545A ES173545A ES173545A1 ES 173545 A1 ES173545 A1 ES 173545A1 ES 0173545 A ES0173545 A ES 0173545A ES 173545 A ES173545 A ES 173545A ES 173545 A1 ES173545 A1 ES 173545A1
- Authority
- ES
- Spain
- Prior art keywords
- iron
- procedure
- steel
- phosphate layers
- obtaining phosphate
- 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
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
- C23C22/16—Orthophosphates containing zinc cations containing also peroxy-compounds
Abstract
Procedimiento para la obtención de capas de fosfato sobre hierro y acero por tratamiento de los mismos con una disolución contenido agua oxigenada de fosfato ácido de cinc caracterizado porque la disolución se sobresatura durante el tratamiento por lo que se refiera al fosfato de cinc.Procedure for obtaining phosphate layers on iron and steel by treating them with a hydrogen peroxide containing solution of zinc acid phosphate characterized in that the solution is supersaturated during the treatment as far as zinc phosphate is concerned.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US375448A US2326309A (en) | 1941-01-22 | 1941-01-22 | Method of producing phosphate coatings on ferrous metal articles |
Publications (1)
Publication Number | Publication Date |
---|---|
ES173545A1 true ES173545A1 (en) | 1946-06-16 |
Family
ID=23480929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0173545A Expired ES173545A1 (en) | 1941-01-22 | 1946-05-11 | PROCEDURE FOR OBTAINING PHOSPHATE LAYERS ON IRON AND STEEL |
Country Status (3)
Country | Link |
---|---|
US (1) | US2326309A (en) |
CH (1) | CH245689A (en) |
ES (1) | ES173545A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2473456A (en) * | 1943-12-23 | 1949-06-14 | Bell Telephone Labor Inc | Passivation of ferrous metals |
US2471907A (en) * | 1948-04-01 | 1949-05-31 | American Chem Paint Co | Method of and material for increasing the corrosion resistance of ferriferous metals |
US2471908A (en) * | 1948-04-08 | 1949-05-31 | American Chem Paint Co | Method of and material for preparing surfaces of ferriferous metals for the reception of a siccative finishing coat |
US3178319A (en) * | 1958-06-05 | 1965-04-13 | Geraldine D Henricks | Phosphate coating compositions and methods of making and using the same |
GB1272772A (en) * | 1968-08-16 | 1972-05-03 | Ici Ltd | Phosphating solutions |
US3607453A (en) * | 1969-10-02 | 1971-09-21 | Hooke Chemical Corp | Metal treating process |
US4071379A (en) * | 1976-01-28 | 1978-01-31 | Imperial Chemical Industries Limited | Phosphating method |
US4673445A (en) * | 1986-05-12 | 1987-06-16 | The Lea Manufacturing Company | Corrosion resistant coating |
US4897129A (en) * | 1986-05-12 | 1990-01-30 | The Lea Manufacturing Company | Corrosion resistant coating |
-
1941
- 1941-01-22 US US375448A patent/US2326309A/en not_active Expired - Lifetime
- 1941-12-11 CH CH245689D patent/CH245689A/en unknown
-
1946
- 1946-05-11 ES ES0173545A patent/ES173545A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2326309A (en) | 1943-08-10 |
CH245689A (en) | 1946-11-30 |
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