JPS57114695A - Production of zinc plated steeel plate of superior blackening resistance and intergranular corrosion resistance - Google Patents
Production of zinc plated steeel plate of superior blackening resistance and intergranular corrosion resistanceInfo
- Publication number
- JPS57114695A JPS57114695A JP16799180A JP16799180A JPS57114695A JP S57114695 A JPS57114695 A JP S57114695A JP 16799180 A JP16799180 A JP 16799180A JP 16799180 A JP16799180 A JP 16799180A JP S57114695 A JPS57114695 A JP S57114695A
- Authority
- JP
- Japan
- Prior art keywords
- zinc
- steel plate
- resistance
- intergranular corrosion
- steeel
- 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
Landscapes
- Electroplating Methods And Accessories (AREA)
Abstract
PURPOSE: To obtain a zinc plated steel plate of superior blackening resistance and intergranular corrosion resistance by applying zinc hot dipping on a steel plate and treating the same with an alkali metallic carbonate type soln. then applying zinc electroplating.
CONSTITUTION: A steel plate is applied with hot dipping of zinc or zinc-based alloy ad is treated with a 1W10% soln. of alkali metallic carbonate (Na salt or K salt), whereby the oxide on the surface is dissolved away. After this pretreatment, a plating layer is formed to about ≥0.3μ thickness by zinc electroplating. Accordng to this method, blackening and intergraular corrosion are considerably improved. since the steel plate surface is coated with zinc of high purity, the chemical conversion treatability equal to that of a zinc electroplated steel plate is obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16799180A JPS57114695A (en) | 1980-12-01 | 1980-12-01 | Production of zinc plated steeel plate of superior blackening resistance and intergranular corrosion resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16799180A JPS57114695A (en) | 1980-12-01 | 1980-12-01 | Production of zinc plated steeel plate of superior blackening resistance and intergranular corrosion resistance |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57114695A true JPS57114695A (en) | 1982-07-16 |
Family
ID=15859767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16799180A Pending JPS57114695A (en) | 1980-12-01 | 1980-12-01 | Production of zinc plated steeel plate of superior blackening resistance and intergranular corrosion resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57114695A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01108396A (en) * | 1987-10-21 | 1989-04-25 | Sumitomo Metal Ind Ltd | Production of galvannealed steel sheet for coating by cationic electrodeposition |
JPH0288794A (en) * | 1988-09-27 | 1990-03-28 | Nippon Steel Corp | Method for electroplating layer formed on hot dip plating |
EP0488408A1 (en) * | 1990-11-30 | 1992-06-03 | Nkk Corporation | Iron-zinc alloy plated steel sheet having two plating layers and excellent in press-formability and electropaintability and method for manufacturing same |
AU628169B2 (en) * | 1989-05-08 | 1992-09-10 | Sumitomo Metal Industries Ltd. | Electroplating of hot-galvanized steel sheet and continuous plating line therefor |
JP2021161473A (en) * | 2020-03-31 | 2021-10-11 | 日本製鉄株式会社 | Plated sheet steel |
-
1980
- 1980-12-01 JP JP16799180A patent/JPS57114695A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01108396A (en) * | 1987-10-21 | 1989-04-25 | Sumitomo Metal Ind Ltd | Production of galvannealed steel sheet for coating by cationic electrodeposition |
JPH0631475B2 (en) * | 1987-10-21 | 1994-04-27 | 住友金属工業株式会社 | Manufacturing method of galvannealed steel sheet for cationic electrodeposition coating |
JPH0288794A (en) * | 1988-09-27 | 1990-03-28 | Nippon Steel Corp | Method for electroplating layer formed on hot dip plating |
AU628169B2 (en) * | 1989-05-08 | 1992-09-10 | Sumitomo Metal Industries Ltd. | Electroplating of hot-galvanized steel sheet and continuous plating line therefor |
EP0488408A1 (en) * | 1990-11-30 | 1992-06-03 | Nkk Corporation | Iron-zinc alloy plated steel sheet having two plating layers and excellent in press-formability and electropaintability and method for manufacturing same |
JP2021161473A (en) * | 2020-03-31 | 2021-10-11 | 日本製鉄株式会社 | Plated sheet steel |
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