JPS57110692A - Production of zinc type electroplated steel plate of superior surface appearance - Google Patents
Production of zinc type electroplated steel plate of superior surface appearanceInfo
- Publication number
- JPS57110692A JPS57110692A JP18845680A JP18845680A JPS57110692A JP S57110692 A JPS57110692 A JP S57110692A JP 18845680 A JP18845680 A JP 18845680A JP 18845680 A JP18845680 A JP 18845680A JP S57110692 A JPS57110692 A JP S57110692A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- surface appearance
- superior surface
- production
- wetting
- 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 prevent the discoloration and staining during plating and obtain a titled steel plate of superior surface appearance by subjecting the steel plate to a wetting treatment with an aq. alkaline or acidic soln. of specific pH after electric zinc plating.
CONSTITUTION: After zinc type plating is applied on both or one surface of a pretreated steel plate, the surfaces of the steel plate are wetted with an aq. alkaline soln. of ≥12pH or an aq. acidic soln. of ≤2.5pH. The composition and temp. of these aq. solns. are not particularly limited. The method of wetting is not particularly limited, and the treatment time can be selected as desired according to the degrees of discoloration and staining of the plated and non-plated surfaces. Usually it may be as short as several seconds or less. After the wetting process, a washing process such as rinsing, hot rinsing or the like is processary.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18845680A JPS57110692A (en) | 1980-12-27 | 1980-12-27 | Production of zinc type electroplated steel plate of superior surface appearance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18845680A JPS57110692A (en) | 1980-12-27 | 1980-12-27 | Production of zinc type electroplated steel plate of superior surface appearance |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57110692A true JPS57110692A (en) | 1982-07-09 |
Family
ID=16224015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18845680A Pending JPS57110692A (en) | 1980-12-27 | 1980-12-27 | Production of zinc type electroplated steel plate of superior surface appearance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57110692A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211793A (en) * | 1988-06-30 | 1990-01-16 | Kawasaki Steel Corp | Production of one-side galvanized steel sheet having excellent appearance and chemical conversion treatability of non-plating surface |
-
1980
- 1980-12-27 JP JP18845680A patent/JPS57110692A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211793A (en) * | 1988-06-30 | 1990-01-16 | Kawasaki Steel Corp | Production of one-side galvanized steel sheet having excellent appearance and chemical conversion treatability of non-plating surface |
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