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A fuel cell is provided which includes iron-based alloys for the construction of the solid parts of the fuel cell. The fuel cell includes a membrane electrode unit and solid constructive parts which may include current collectors, a cell frame and a bipolar plate. At least one of these solid constru

A fuel cell is provided which includes iron-based alloys for the construction of the solid parts of the fuel cell. The fuel cell includes a membrane electrode unit and solid constructive parts which may include current collectors, a cell frame and a bipolar plate. At least one of these solid constructive parts is made from an iron-based material that preferably has an effective weight percent of iron of greater than or equal to 26.9 percent.

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[ What is claimed is:] [1.]1. A fuel cell comprising a membrane electrode unit and a plurality of solid constructive parts selected from a group consisting of a plurality of current collectors, a cell frame, and a bipolar plate, at least one of the solid constructive parts comprising a Fe-based mate

[ What is claimed is:] [1.]1. A fuel cell comprising a membrane electrode unit and a plurality of solid constructive parts selected from a group consisting of a plurality of current collectors, a cell frame, and a bipolar plate, at least one of the solid constructive parts comprising a Fe-based material comprising the following composition:Cr content: 8.25-46.5 weight %Mo content: 1.25-14.0 weight %Ni content: 2.25-40.5 weight %N content: 0.02-1 weight %Fe content: remainder to 100 weight %,wherein the Fe-based material comprises an effective sum greater than or equal to 26.9, and effective sum is defined as Pitting Resistance Equivalent (PRE).