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Niobium C103 Alloy Wire, Powder, Sheet, Tube, Bar

Niobium C103 Alloy Wire, Powder, Sheet, Tube, Bar

Niobium C103 is a high-performance alloy that combines niobium with approximately 10% hafnium and 1% titanium. It offers excellent high-temperature strength, good ductility, and high corrosion resistance, making it suitable for a range of aerospace and defense applications.

CG Material can provide Niobium C103 wire, powder, sheet, tube, and bar in various sizes and shapes for different applications. Niobium C103 wire is commonly used in high-temperature superconductors, while powder is used in the production of aerospace components. Niobium C103 sheet and tube are used in high-temperature furnace parts, and bar is used in rocket engine components and other high-stress applications.

Niobium C-103 Alloy Properties (Theoretical)

Compound Formula Nb/Hf/Ti
Appearance Metallic solid in various forms
Melting Point 2350 ± 50°C
Boiling Point N/A
Density 8.85 g/cm3
Solubility in H2O N/A
Electrical Resistivity 0.0000313 - 0.0000352 ω-cm
Specific Heat 0.082 BTU/°F/lb
Thermal Conductivity 22.0 Btu/hr - ft2 - °F/ft (1600 °F)
Thermal Expansion 3.9 in/in/°F (400 °F)
Monoisotopic Mass 320.801 g/mol


Grade C103 niobium alloy has a service temperature of 1400°C and tensile strength of 42 MPa at 1500°C. The alloy is widely used in spacecraft heat-resistant structures, including various satellites, spacecraft with radiation cooling rails, and attitude control thrust chamber wall materials.

Niobium C103 Alloy Products

  • Niobium C103 Alloy Rod

  • Niobium C103 Alloy Plate

  • Niobium C103 Alloy Ingot

  • Niobium C103 Alloy Spherical Powder

Niobium C103 Alloy Chemical Composition

Element Ti Hf Zr W Ta O N C H Nb
Minimum (wt%) 0.7 9 0.7 0.5 0.5 0.025 0.01 0.015 0.0015 Balance
Maximum (wt%) 1.3 11


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