JPS6428350A - Hot dip aluminum alloy coated steel sheet and its production - Google Patents
Hot dip aluminum alloy coated steel sheet and its productionInfo
- Publication number
- JPS6428350A JPS6428350A JP18343387A JP18343387A JPS6428350A JP S6428350 A JPS6428350 A JP S6428350A JP 18343387 A JP18343387 A JP 18343387A JP 18343387 A JP18343387 A JP 18343387A JP S6428350 A JPS6428350 A JP S6428350A
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- hot dip
- temp
- plating
- bath
- 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
Abstract
PURPOSE:To improve the corrosion resistance and workability on a surface and in end face parts with good balance by biasing the dispersibility of the Al component in a plating layer much to the surface layer at the time of plating a steel sheet with a hot dip coating bath consisting of Zn contg. a specific ratio of Al. CONSTITUTION:The zinc hot dip coating bath contg. 0.3-3.5% Al and the balance Zn is used at the time of producing the hot dip Zn-Al alloy coated steel sheet by a zinc hot dip coating plant. The temp. of the material steel sheet to be advanced into this plating bath is maintained at the temp. lower by 10-80 deg.C than the temp. of the plating bath and the steel sheet is advanced into the bath. The thickness of the steel sheet is larger than the thickness of the plating layer and the temp. thereof is lower than the temp. of the plating bath and, therefore, the plating layer is cooled from the inside surface and the Al component is thickened to the part to be solidified with a delay according to this method. Said component is thus liable to gather on the front layer. The Al component is consequently distributed more in the surface layer in the plating layer and is less distributed at the boundary face with the steel sheet. The plated steel sheet having the excellent corrosion resistance and workability is thus obtd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18343387A JPS6428350A (en) | 1987-07-24 | 1987-07-24 | Hot dip aluminum alloy coated steel sheet and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18343387A JPS6428350A (en) | 1987-07-24 | 1987-07-24 | Hot dip aluminum alloy coated steel sheet and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428350A true JPS6428350A (en) | 1989-01-30 |
Family
ID=16135691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18343387A Pending JPS6428350A (en) | 1987-07-24 | 1987-07-24 | Hot dip aluminum alloy coated steel sheet and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009119475A1 (en) * | 2008-03-27 | 2009-10-01 | 株式会社神戸製鋼所 | Chromate-free film-covered hot-dip galvanized steel sheet possessing high corrosion resistance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4927246A (en) * | 1972-07-03 | 1974-03-11 | ||
| JPS5747859A (en) * | 1980-07-09 | 1982-03-18 | Arbed | High temperature plating of metal object |
| JPS6052569A (en) * | 1983-08-31 | 1985-03-25 | Taiyo Seikou Kk | Plated steel sheet for colored galvanized steel sheet |
| JPS62124266A (en) * | 1985-11-22 | 1987-06-05 | Kawasaki Steel Corp | Manufacture of zn-al allot hot-dipped steel sheet excellent in workability |
-
1987
- 1987-07-24 JP JP18343387A patent/JPS6428350A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4927246A (en) * | 1972-07-03 | 1974-03-11 | ||
| JPS5747859A (en) * | 1980-07-09 | 1982-03-18 | Arbed | High temperature plating of metal object |
| JPS6052569A (en) * | 1983-08-31 | 1985-03-25 | Taiyo Seikou Kk | Plated steel sheet for colored galvanized steel sheet |
| JPS62124266A (en) * | 1985-11-22 | 1987-06-05 | Kawasaki Steel Corp | Manufacture of zn-al allot hot-dipped steel sheet excellent in workability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009119475A1 (en) * | 2008-03-27 | 2009-10-01 | 株式会社神戸製鋼所 | Chromate-free film-covered hot-dip galvanized steel sheet possessing high corrosion resistance |
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