CH291524A - Procedimento per rendere oggetti di materiale ferroso, particolarmente di acciaio, resistenti alla formazione della ruggine. - Google Patents
Procedimento per rendere oggetti di materiale ferroso, particolarmente di acciaio, resistenti alla formazione della ruggine.Info
- Publication number
- CH291524A CH291524A CH291524DA CH291524A CH 291524 A CH291524 A CH 291524A CH 291524D A CH291524D A CH 291524DA CH 291524 A CH291524 A CH 291524A
- Authority
- CH
- Switzerland
- Prior art keywords
- rust
- resistant
- formation
- ferrous material
- particularly steel
- Prior art date
Links
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
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
- C23C22/24—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
- C23C22/30—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 containing also trivalent chromium
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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT873026X | 1949-07-12 | ||
| IT291524X | 1949-07-12 | ||
| IT674498X | 1949-07-12 | ||
| IT100150X | 1950-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH291524A true CH291524A (it) | 1953-06-30 |
Family
ID=61187015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH291524D CH291524A (it) | 1949-07-12 | 1950-07-07 | Procedimento per rendere oggetti di materiale ferroso, particolarmente di acciaio, resistenti alla formazione della ruggine. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH291524A (it) |
| DE (1) | DE873026C (it) |
| GB (1) | GB674498A (it) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB264788A (en) * | 1926-01-25 | 1927-05-26 | Metals Prot Corp | Improvements in or relating to the treatment of iron and steel articles |
| DE750096C (de) * | 1941-02-13 | 1944-12-14 | Verfahren zur Erzielung einer Korrosionsbestaendigkeit bei Eisen und Stahl, insbesondere bei Geschosshuelsen, Kartuschen usw. |
-
1950
- 1950-07-07 CH CH291524D patent/CH291524A/it unknown
- 1950-07-11 DE DEF2069A patent/DE873026C/de not_active Expired
- 1950-07-12 GB GB17484/50A patent/GB674498A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE873026C (de) | 1953-04-09 |
| GB674498A (en) | 1952-06-25 |
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