Production method of maraging steel
US11427897B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jun 10, 2014 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jan 21, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A production method of a maraging steel includes: the step of producing, by vacuum melting, a remelt electrode which comprises from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; and the step of remelting the remelt electrode to produce a steel ingot having an average diameter of 650 mm or more; wherein the resulting maraging steel includes from 0.2 to 3.0% by mass of Ti.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.