Some embodiments of the invention relate to a stent which is composed entirely or in parts of an iron alloy having the following composition (in % by weight): Cr: >12.0 Ni: 0-8.0 Co: 0-20.0 Mn: 0-20.0 N: 0.05-1.0 C 0.05-0.4 Ti: 0-3.5 Nb: 0-3.5 V: 0-3.5 Mo 0-3.5 Si: 0-3.0 Al: 0-3.0 and Cu: 0-3.0. A cumulative content of Co and Mn is 3.0-20.0% by weight. Iron and production-related impurities make up the remainder of the 100% by weight.
