JPS6415386A - Method for preventing yellowing of steel strip - Google Patents
Method for preventing yellowing of steel stripInfo
- Publication number
- JPS6415386A JPS6415386A JP16951187A JP16951187A JPS6415386A JP S6415386 A JPS6415386 A JP S6415386A JP 16951187 A JP16951187 A JP 16951187A JP 16951187 A JP16951187 A JP 16951187A JP S6415386 A JPS6415386 A JP S6415386A
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- strip
- yellowing
- tank
- soln
- 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
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
PURPOSE:To surely and efficiently prevent the yellowing of a steel strip after passing through a pickling tank in a pickling line, by coating the surfaces of the steel strip with a yellowing preventing soln. on the outlet side of the picking tank while the strip is travelled at a low speed. CONSTITUTION:When a steel strip 6 is pickled in a pickling tank 1, washed with water sprayed from sprayers 2 and further washed by immersion in warm water in an immersion tank 3, the surfaces of the strip 6 are coated with a yellowing preventing soln. by means of a coating device 5 on the outlet side of the pickling tank 1 while the strip 6 is travelled at a low speed between the tanks 1, 3. The yellowing preventing soln. contains a chelating agent as an essential component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16951187A JPS6415386A (en) | 1987-07-07 | 1987-07-07 | Method for preventing yellowing of steel strip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16951187A JPS6415386A (en) | 1987-07-07 | 1987-07-07 | Method for preventing yellowing of steel strip |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6415386A true JPS6415386A (en) | 1989-01-19 |
Family
ID=15887868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16951187A Pending JPS6415386A (en) | 1987-07-07 | 1987-07-07 | Method for preventing yellowing of steel strip |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6415386A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006028574A (en) * | 2004-07-15 | 2006-02-02 | Sugimura Kagaku Kogyo Kk | Water purification treatment method for pickled steel strip |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61195983A (en) * | 1985-02-26 | 1986-08-30 | Sumitomo Metal Ind Ltd | Preventing method of discoloration of steel sheet in pickling line |
-
1987
- 1987-07-07 JP JP16951187A patent/JPS6415386A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61195983A (en) * | 1985-02-26 | 1986-08-30 | Sumitomo Metal Ind Ltd | Preventing method of discoloration of steel sheet in pickling line |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006028574A (en) * | 2004-07-15 | 2006-02-02 | Sugimura Kagaku Kogyo Kk | Water purification treatment method for pickled steel strip |
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