Corrosion-resistant steel strip having Zn-Fe-P alloy electroplated thereon
US4640872A · kind A · utility
6Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1986 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Jan 15, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12799
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Steel strips having a Zn-Fe-P alloy electroplated thereon exhibit improved corrosion resistance, particularly perforation corrosion resistance, as long as the plating contains 5 to 30% by weight of iron and 0.0003 to 0.5% by weight of phosphorus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.