Tool steel composition for component of die-casting apparatus or of extrusion press
US11819910B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Oct 5, 2017 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Sep 12, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/52
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A tool steel composition for a component of a die-casting apparatus or of an extrusion press, comprises, in weight percentage: from about 0.35% to about 0.40% carbon (C); from about 0.32% to about 0.50% silicon (Si); from about 4.50% to about 5.50% chromium (Cr); from about 3.75% to about 4.75% molybdenum (Mo); from about 0.80% to about 1.00% vanadium (V); and iron (Fe).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.