FeCrAl (0Cr21Al6Nb)
Key Features:
Higher Al content (6%) → Thicker Al₂O₃ protective layer.
Niobium stabilization → Longer lifespan in cyclic heating.
Cost-effective compared to premium grades like Kanthal A1, Kanthal AF.
Max working temperature: 1350℃
https://super-metals.com/alloy/fecral-0cr21al6nb/