Steel strips with corrosion resistant surface layers having good appearance
US4707415A · kind A · utility
25Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Mar 28, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12799
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A surface-coated steel strip having improved corrosion resistance as well as a good surface appearance is disclosed. The steel strip comprises a zinc alloy layer plated on the steel strip, and a passive-state layer 0.005 to 1.0 .mu.m thick which is applied on top of the plated zinc layer. A chromate film and/or an organic resin layer may be applied thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.