Component for solid oxide fuel cell

A component for solid oxide fuel cells, comprising a substrate and precious metal particles on a surface of the substrate,

• wherein the substrate is a ferritic stainless steel having a chemical composition consisting of, by mass %,
• C:
• 0.025% or less,
• Si:
• 0.05% to 1.00%,
• Mn:
• 0.05% to 1.00%,
• P:
• 0.050% or less,
• S:
• 0.010% or less,
• Cr:
• 14.0% to 32.0%,
• Al:
• 2.50% to 7.00%,
• Ni:
• 0.01% to 1.00%,
• N:
• 0.025% or less, and
• optionally at least one selected from the group consisting of:
• Mo:
• 3.00% or less,
• Cu:
• 0.50% or less,
• W:
• 3.00% or less,
• Ti:
• 0.15% or less,
• Nb:
• 1.00% or less,
• V:
• 0.50% or less,
• Zr:
• 0.50% or less,
• B:
• 0.0050% or less,
• Ca:
• 0.0050% or less,
• Mg:
• 0.0100% or less, and
• REM:
• 0.20% or less, wherein REM is Sc, Y, La, Ce, Pr, Nd, Pm, Sm, and Hf, with the balance being Fe and inevitable impurities, and
• wherein the precious metal particles have:
• an average particle size of 5.3 μm or more and 10 μm or less;
• a coating thickness on the substrate of 0.5 μm or more and 10 μm or less;
• and
• a surface coverage on the substrate of 1.0% or more.