The paper presents the results of studies aimed at determination of corrosion resistance intermetallic phase matrix of FeAl alloy in a steam environment at 850 °C. The comparison of heat resistance of Fe40Al5Cr0,2TiB intermetallic alloy with heat-resistant steel with austenitic structure X25CrMnNiN25-9-7 was also presented at the article. After surface corrosion studies, the chemical composition of corrosion products was determined. The obtained results showed very good resistance of Fe40Al5CrTiB alloys to high temperature corrosion in steam environment compared to corrosion resistance of X25CrMnNiN25-9-7 steel. The results of research conducted in this field are the basis for further research.Keywords: Corrosion resistance, high-temperature corrosion, alloys intermetallic phase matrix FeAl
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