Article formed from a low carbon iron alloy having a corrosion resistant diffusion coating thereon
US5015535A · kind A · utility
6Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1990 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | May 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12757
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a ferrous article suitable for use in devices for burning heavy and extra heavy petroleum fuels and a process for forming such an article. The article has a matrix formed from a low carbon steel and a corrosion resistant chromium-aluminum diffusion coating on at least one surface. The coating is formed by subjecting the matrix to successive aluminization and chromization pack cementation treatments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.