Research Progress on Fe-Cr-Ni Based Austenitic Heat-Resistant Alloy Used in Steam Reformer Furnace

The chemical composition and the microstructure and property evolution during aging and service of Fe-Cr-Ni based austenitic heat-resistant alloy for steam reformer furnace are reviewed. The precipitates evolution in as-cast, aging, creep and service state structure of Fe-Cr-Ni based austenitic heat-resistant alloy is described. The future study direction of Fe-Cr-Ni based austenitic heat-resistant alloy and its components is prospected.