Stainless steel sheet and methods for manufacturing the same
US12305247B2 · kind B2 · utility
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Key dates
| Filing date | Dec 9, 2021 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Feb 14, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/086
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A stainless steel sheet has a surface quality in which a core height Sk is 1.50 μm or less, a reduced peak height Spk is 0.20 μm or less, and an areal material ratio Smr2 that separates a reduced dale from a core is 80% or less, where the core height Sk, the reduced peak height Spk, and the areal material ratio Smr2 are as specified in JIS B 0681-2:2018. The stainless steel sheet has a whiteness of 50 or greater and an image clarity of 1% or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.