Heat Resistant Steel

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A steel composition particularly useful for components of solid oxide fuel cells, for example a connector plate for collecting electrical current from a solid oxide fuel cell, consisting of, in weight percent, 18-28.5 Cr, 0.001-0.20 C, <0.1 Si, 0.005-0.10 Mn, <1.0 Ni, <0.25 N, <0.05 S, <0.08 P, <0.06 Al, <0.25 Additional Defined Metals, and 0.005-0.50 REM, wit the residue iron, excluding incidental impurities, where Additional Defined Metals is the sum of titanium, niobium, vanadium, molybdenum and copper, and REM is one or more of the rare earth metal elements in the group of the lanthanide elements 57 to 71, scandium and yttrium.