Crofer® 22 APU
Crofer® 22 APU* is a high-temperature ferritic stainless steel especially developed for application in solid oxide fuel cells (SOFC).
At temperatures up to 900°C (1652°F) a chromium-manganese oxide layer is formed on the surface of Crofer® 22 APU which is thermodynamically very stable and possesses high electrical conductivity. The low coefficient of thermal expansion is matched to that of ceramics typically used for high-temperature fuel cells in the range from room temperature to 900°C (1652°F).
Crofer® 22 APU is characterized by:
At temperatures up to 900°C (1652°F) a chromium-manganese oxide layer is formed on the surface of Crofer® 22 APU which is thermodynamically very stable and possesses high electrical conductivity. The low coefficient of thermal expansion is matched to that of ceramics typically used for high-temperature fuel cells in the range from room temperature to 900°C (1652°F).
Crofer® 22 APU is characterized by:
- excellent corrosion resistance at high temperatures in anode gas and cathode gas
- low rate of chromium vaporization
- ease of working and processing
- low coefficient of thermal expansion
- good electrical conductivity of the oxide layer
General Properties
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Material Status
Commercial: Active
Documents
description
Technical Datasheet (English)
Download DocumentAvailability
Africa & Middle East, Asia Pacific, Europe, Latin America, North America
Other Properties
Forms Available, Metal Type, Type Analysis, Density, Tensile Strength (Ultimate), Tensile Strength (Yield), 0.2%, Tensile Elongation (Break), Hardness, Tensile Modulus, Mean Specific Heat, Mean CTE, Thermal Conductivity, Electrical Resistivity
Processing
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Where To Buy
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