GB434531A - Improvements in coating iron or steel with aluminium or an alloy thereof - Google Patents
Improvements in coating iron or steel with aluminium or an alloy thereofInfo
- Publication number
- GB434531A GB434531A GB697734A GB697734A GB434531A GB 434531 A GB434531 A GB 434531A GB 697734 A GB697734 A GB 697734A GB 697734 A GB697734 A GB 697734A GB 434531 A GB434531 A GB 434531A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- per cent
- fluoride
- alloy
- sodium
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/30—Fluxes or coverings on molten baths
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
Abstract
Iron or steel articles to be coated by dipping in molten aluminium or an alloy containing aluminium as its main constituent, e.g. an alloy containing at least 95 per cent of aluminium, are immersed in a molten flux bath which contains one or more fluorides, for example sodium aluminium fluoride, and one or more alkali chlorides, with or without other salts such as zinc chloride, but which does not contain any compound of calcium. The articles are left in the flux bath until oxides &c. are removed and the articles are properly heated and are then transferred to the aluminium or aluminium alloy bath. The flux bath preferably contains fluoride in an amount corresponding to more than 5 per cent of sodium aluminium fluoride. A flux described contains 10 per cent of sodium aluminium fluoride, 20 per cent of dehydrated zinc chloride, 30 per cent of sodium chloride, and 40 per cent of potassium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB697734A GB434531A (en) | 1934-03-05 | 1934-03-05 | Improvements in coating iron or steel with aluminium or an alloy thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB697734A GB434531A (en) | 1934-03-05 | 1934-03-05 | Improvements in coating iron or steel with aluminium or an alloy thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB434531A true GB434531A (en) | 1935-09-04 |
Family
ID=9824289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB697734A Expired GB434531A (en) | 1934-03-05 | 1934-03-05 | Improvements in coating iron or steel with aluminium or an alloy thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB434531A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2686354A (en) * | 1949-10-17 | 1954-08-17 | Lundin Helen Marie | Process for coating and uniting metal shapes with aluminum |
-
1934
- 1934-03-05 GB GB697734A patent/GB434531A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2686354A (en) * | 1949-10-17 | 1954-08-17 | Lundin Helen Marie | Process for coating and uniting metal shapes with aluminum |
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