JPS55134168A - Rust-preventing method for sluice gate door or the like having stainless clad steel - Google Patents
Rust-preventing method for sluice gate door or the like having stainless clad steelInfo
- Publication number
- JPS55134168A JPS55134168A JP4195479A JP4195479A JPS55134168A JP S55134168 A JPS55134168 A JP S55134168A JP 4195479 A JP4195479 A JP 4195479A JP 4195479 A JP4195479 A JP 4195479A JP S55134168 A JPS55134168 A JP S55134168A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- mild steel
- stainless
- stainless clad
- clad 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.)
- Pending
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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Arc Welding In General (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
PURPOSE:To decrease the consumption of Al by corrosion current and to prevent the corrosion of the surface of mild steel plate, which is used for sluice-gate doors, and which is always immersed in water, by spraying Zn and Al in succession on the mild steel surface connected to stainless clad steel in order to coat the surface. CONSTITUTION:On the surface of mild steel plate 3 connected throgh a weld zone 4 to stainless clad steel, made by laminating stainless steel plate 2 and mild steel plate 1, is sprayed Zn so as to coat 5 whole surface. Then the surface is further coated with Al by spraying. As a result, the production of corrosion current in water in the direction of an arrow from the mild steel plate 3 to the stainless steel plate 2 is intercepted, thereby preventing the corrosion of the mild steel plate 2. The coating layers 5, 6 of Zn, Al are formed rather thick by spraying, and the range of Al coating layer 6 not larger than 1,000mm is enought. This operation method may be applied, in addn. to the sluice gate door, to construction of structures, which is made by connecting stainless clad steel plate to mild steel plate, and is always used in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4195479A JPS55134168A (en) | 1979-04-09 | 1979-04-09 | Rust-preventing method for sluice gate door or the like having stainless clad steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4195479A JPS55134168A (en) | 1979-04-09 | 1979-04-09 | Rust-preventing method for sluice gate door or the like having stainless clad steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55134168A true JPS55134168A (en) | 1980-10-18 |
Family
ID=12622584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4195479A Pending JPS55134168A (en) | 1979-04-09 | 1979-04-09 | Rust-preventing method for sluice gate door or the like having stainless clad steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55134168A (en) |
-
1979
- 1979-04-09 JP JP4195479A patent/JPS55134168A/en active Pending
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