JPS5789494A - High corrosion resistant surface-treated steel sheet - Google Patents
High corrosion resistant surface-treated steel sheetInfo
- Publication number
- JPS5789494A JPS5789494A JP16531880A JP16531880A JPS5789494A JP S5789494 A JPS5789494 A JP S5789494A JP 16531880 A JP16531880 A JP 16531880A JP 16531880 A JP16531880 A JP 16531880A JP S5789494 A JPS5789494 A JP S5789494A
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- coated
- paint
- layer
- ground
- 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.)
- Granted
Links
Abstract
PURPOSE: To offer a high corrosion resistant surface-treated steel sheet improved in its paint adhesiveness and the corrosion resistance of the ground layer after coated with paint, by electroplating the two surfaces of a steel sheet with an anticorrosion zinc-type layer, and selectively heating its one surface to alloy the coating layer with the surface of the substrate.
CONSTITUTION: The two surfaces of a steel sheet useful as a car part or the like are electroplated with a corrosion-resistant Zn type layer such as Zn, Zn-Ni or Zn-Al. Thereafter, its one surface only is heated to alloy the coating layer with ground iron on the surface of the substrate. This alloyed surface is handled as a ground surface to be coated with paint. The thickness of the corrosion resistant layer on the ground surface to be coated is controlled at 0.5W20g/m2, while that of the coating layer on the opposite surface is controlled at 40W100g/m2 as Zn-plate or 10W40g/m2 as Zn-Ni or Zn-Al-plate. According to this treatment, the coated steel sheet is turned into a state excellent in its paint adhesiveness and corrosion resistance after coated with paint, without injuring weldability.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16531880A JPS5827356B2 (en) | 1980-11-26 | 1980-11-26 | High corrosion resistance surface treated steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16531880A JPS5827356B2 (en) | 1980-11-26 | 1980-11-26 | High corrosion resistance surface treated steel sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5789494A true JPS5789494A (en) | 1982-06-03 |
| JPS5827356B2 JPS5827356B2 (en) | 1983-06-08 |
Family
ID=15810045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16531880A Expired JPS5827356B2 (en) | 1980-11-26 | 1980-11-26 | High corrosion resistance surface treated steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827356B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627889A (en) * | 1985-07-03 | 1987-01-14 | Nippon Steel Corp | Zinc or zinc alloy plated steel sheet having superior corrosion resistance and paintability |
| US4913746A (en) * | 1988-08-29 | 1990-04-03 | Lehigh University | Method of producing a Zn-Fe galvanneal on a steel substrate |
| US5015341A (en) * | 1988-08-05 | 1991-05-14 | Armco Steel Company, L.P. | Induction galvannealed electroplated steel strip |
| CN112570868A (en) * | 2020-12-11 | 2021-03-30 | 马鞍山钢铁股份有限公司 | Method for improving corrosion resistance of resistance spot welding spot of 1800 MPa-grade hot forming steel |
| CN112620906A (en) * | 2020-12-11 | 2021-04-09 | 马鞍山钢铁股份有限公司 | Method for improving corrosion resistance of resistance spot welding spot of 1500 MPa-grade hot forming steel |
| WO2022091480A1 (en) * | 2020-10-28 | 2022-05-05 | Ｊｆｅスチール株式会社 | Hot-pressed member and steel sheet for hot-pressing, and manufacturing method for hot-pressed member |
-
1980
- 1980-11-26 JP JP16531880A patent/JPS5827356B2/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627889A (en) * | 1985-07-03 | 1987-01-14 | Nippon Steel Corp | Zinc or zinc alloy plated steel sheet having superior corrosion resistance and paintability |
| US5015341A (en) * | 1988-08-05 | 1991-05-14 | Armco Steel Company, L.P. | Induction galvannealed electroplated steel strip |
| US4913746A (en) * | 1988-08-29 | 1990-04-03 | Lehigh University | Method of producing a Zn-Fe galvanneal on a steel substrate |
| WO2022091480A1 (en) * | 2020-10-28 | 2022-05-05 | Ｊｆｅスチール株式会社 | Hot-pressed member and steel sheet for hot-pressing, and manufacturing method for hot-pressed member |
| JPWO2022091480A1 (en) * | 2020-10-28 | 2022-05-05 | ||
| CN112570868A (en) * | 2020-12-11 | 2021-03-30 | 马鞍山钢铁股份有限公司 | Method for improving corrosion resistance of resistance spot welding spot of 1800 MPa-grade hot forming steel |
| CN112620906A (en) * | 2020-12-11 | 2021-04-09 | 马鞍山钢铁股份有限公司 | Method for improving corrosion resistance of resistance spot welding spot of 1500 MPa-grade hot forming steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5827356B2 (en) | 1983-06-08 |
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