Patent · US Active

Stainless steel sheet and methods for manufacturing the same

US12305247B2 · kind B2 · utility

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3Claims
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Assignee

Inventors

Key dates

Filing dateDec 9, 2021
Grant dateMay 20, 2025
Priority date
Expiry dateFeb 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.