Fecralloy® Tube

Fecralloy® Tube is a hollow cylindrical form of the iron-chromium-aluminum (FeCrAl) alloy, engineered for outstanding oxidation resistance, high-temperature strength, and long-term mechanical stability in extreme environments. When exposed to elevated temperatures, the alloy forms a slow-growing, adherent alumina (Al₂O₃) layer that protects against oxidation and corrosion, enabling service at temperatures exceeding 1300 °C. The tubular geometry provides excellent structural integrity and allows for efficient heat transfer, fluid flow, or gas distribution, making it essential in industries such as concentrated solar power, advanced heat exchangers, and high-temperature process equipment. Specific applications include receiver tubes in solar thermal plants, reactor tubing in chemical processing, and gas distribution conduits in high-efficiency combustion systems. In research, Fecralloy® Tubes facilitate investigations into high-temperature corrosion mechanisms, heat flux optimization, and materials for next-generation energy systems. Their combination of thermal resilience, chemical stability, and structural versatility ensures a pivotal role in advanced engineering and industrial innovation.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Tube

Outside Diameter	=<2mm	±0.05mm
Outside Diameter	2mm - 5mm	±0.1mm
Outside Diameter	>5mm	±5%
Wall Thickness		±10%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	<25
Hardness - Vickers( kgf mm⁻² )	230
Tensile strength( MPa )	560

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	134
Temperature coefficient( K⁻¹ )	0.0001

Magnetic Properties

Element	Value
Curie temperature( C )	600

Thermal Properties

Element	Value
Maximum use temperature in air( C )	1100-1300
Melting point( C )	1380-1490
Thermal conductivity( W m⁻¹ K⁻¹ )	16@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	11.1@20-100°C