Cold rolled steel strip having an excellent phosphatizing property and process for producing the same
US4437947A · kind A · utility
10Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Sep 15, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/78
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A cold rolled steel strip having an excellent phosphatizing property and being capable of firmly bonding with a corrosion-resistant paint coating, comprises a cold rolled steel strip substrate having at least one descaled surface thereof which is substantially free from carbonaceous and oxide substances and; at least one defective metal deposit layer incompletely covering the descaled surface and comprising at least one elementary metal selected from Mn, Ni, Co, Cu and Mo.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.