Steel material for hot work tools
US6365096B1 · kind B1 · utility
5Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2000 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Sep 22, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/24
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A steel material for hot work tools has an alloy composition that in weight-% essentially consists of: 0.3-0.4 C, 0.2-0.8 Mn, 4-6 Cr, 1.8-3 Mo, 0.4-0.8 V, balance iron and unavoidable metallic and non-metallic impurities, said non-metallic impurities comprising silicon, nitrogen, oxygen, phosphor and sulfur, the contents of which does not exceed the following maximum contents: max. 0.25 Si, max. 0.010 N, max. 10 ppm O, max. 0.010 weight-% P.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.