Ultrahigh-strength maraging stainless steel with multiphase strengthening and preparation method thereof
US11767574B2 · kind B2 · utility
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Key dates
| Filing date | Jul 15, 2022 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Jul 15, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Disclosed is an ultrahigh-strength maraging stainless steel with multiphase strengthening and a preparation method thereof. The stainless steel has a composition in mass percentage as follows: 1.0-5.0% of Co, 6.0-10.0% of Ni, 11.0-17.0% of Cr, 0.3-2.0% of Ti, 3.0-7.0% of Mo, 0.08-1.0% of Mn, 0.08-0.5% of Si, 0.02% or less of C, 0.003% or less of P, 0.003% or less of S, and Fe as a balance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.