Ferritic stainless steel sheet and method of producing same, and al or al alloy coated stainless steel sheet
US11767573B2 · kind B2 · utility
0Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2019 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Aug 26, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A ferritic stainless steel sheet comprises a chemical composition containing, in mass %, C: 0.030% or less, Si: 3.0% or less, Mn: 1.0% or less, P: 0.040% or less, S: 0.010% or less, Cr: 11.0% to 30.0%, Al: 8.0% to 20.0%, Ni: 0.05% to 0.50%, N: 0.020% or less, and at least one selected from the group consisting of Zr: 0.01% to 0.20% and Hf: 0.01% to 0.20%, with a balance consisting of Fe and inevitable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.