Advanced case carburizing secondary hardening steels
US6176946A · kind A · utility
18Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1999 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Jan 28, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Steel alloys susceptible to case and core hardening comprising 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and the balance iron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.