Alloys steel powders
US4253874A · kind A · utility
17Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1978 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Sep 14, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F3/1007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A finely divided annealed steel powder consisting by weight of up to 1.5% carbon, 1.0 to 2.0% chromium, less than 0.05% silicon, less than 0.1% manganese and either one or a combination of two or more of the following elements: 0.2 to 1.0% molybdenum, 0.2 to 1.0% nickel, up to 0.3% phosphorous and up to 1.0% coper, the balance, apart from impurities, being iron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.