Hot worked steel and tool made therewith
US8900382B2 · kind B2 · utility
4Cited by
4References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2003 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jun 6, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns a cold work steel having the following chemical composition in weight-%: 0.60-0.85 C from traces to 1.5 (Si+Al) 0.1-2.0 Mn 3.0-7.0 Cr 1.5-4.0 (Mo+), however max. 1.0 W 0.30-0.65 V max. 0.1 of each of Nb, Ti, and Zr max. 2.0 Co max. 2.0 Ni balance essentially only iron and unavoidable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.