Electrogalvanized steel plate with excellent blotchy resistant performance
A technology of electro-galvanizing and steel plate, applied in the direction of electrolytic organic material coating, layered products, metal layered products, etc., can solve the problems of unprovided appearance, uneven improvement, etc., and achieve improved white rust resistance and stain resistance Effect
Inactive Publication Date: 2008-11-19
KOBE STEEL LTD
View PDF5 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the technology for improving the uneven appearance of electrogalvanized steel sheets proposed so far relates to methods for preventing white rust or blackening before white rust occurs (for example, Patent No. 3043336, Patent No. 3499544, Patent No. 3499543, Japanese Patent Laid-Open 2004-263252, JP 2000-355790, JP 2003-55790), but has not yet provided a technology for improving uneven appearance for the purpose of preventing stains
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
Embodiment 2
Embodiment 3
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| Current density | aaaaa | aaaaa |
Login to View More
Abstract
The invention provides a non-chromate electrogalvanizing steel plate with excellent blemish resisting performance and production method thereof. The invention provides an electrogalvanizing steel plate setting the resin cover film containing 0.05-5quality percent Na instead of Cr on the electrogalvanizing layer. The electrogalvanizing layer is converted by atom to restrain Pb and TI into Pb: below 5ppm (ppm represents quality ppm, the same as follows) and TI: below 10ppm.
Description
Technical field The present invention relates to an electro-galvanized steel sheet excellent in stain resistance and a method of manufacturing the same. Specifically, it is an electro-galvanized steel sheet having a resin coating film that does not substantially contain Cr, and relates to an electro-galvanized steel sheet that can effectively suppress A technology for improving the stain resistance of the uneven appearance of stains caused by Na. The electro-galvanized steel sheet of the present invention can be ideally used, for example, for indoor applications such as chassis or cabinet parts of home appliances, office machines, and steel furniture. Background technique From the viewpoint of restricting the use of hazardous substances, electro-galvanized steel sheets (non-chromate electro-galvanized steel sheets) with chromium-free chemical conversion coatings that do not contain hexavalent chromium are widely used. Due to the demand from users for omission of painting, such no...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): C25D3/22C25D3/56B32B15/08
CPCC25D3/22C25D7/0614C25D9/02
Inventor 岩井正敏奥村和生久野彰士
Owner KOBE STEEL LTD