| 摘要 |
PROBLEM TO BE SOLVED: To provide a hoop for solid oxide fuel cell, capable of showing good bendability when formed into a thin sheet.SOLUTION: The hoop for a solid oxide fuel cell is provided which has a composition containing, by mass%, C:0.05% or less, N:0.05% or less, O:0.01% or less, Al:0.15% or less, Si:0.15% or less, Mn:0.1 to 0.5%, Cr:22.0 to 25.0%, Ni:1.0% or less, Cu:1.5% or less, La:0.02 to 0.12%, Zr:0.01 to 1.50%, La+Zr:0.03 to 1.60%, W:1.5 to 2.5% and the balance composed of Fe with impurities and which has metallic structure having fine grain with a JIS crystal grain size number of 6 or more.SELECTED DRAWING: Figure 1 |
