Sulfur-containing powder-metallurgy tool steel article
US5522914A · kind A · utility
19Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Feb 7, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2999/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powder-metallurgy produced tool steel article of a hot worked, fully dense, consolidated mass of prealloyed particles of a tool steel alloy having a sulfur content within the range of 0.10 to 0.30 weight percent and a maximum sulfide size below about 15 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.