Niobium Hafnium Alloy (C103)

  • Niobium Hafnium C103 alloy
  • Nb10Hf C-103

Product Details

C-103 Chemical Composition Maximum Weight % (Except Where Otherwise Specified)
Products C O N H Hf Ti Zr W Ta
C-103 0.015 0.025 0.01 0.0015 9 - 11 0.7 - 1.3 0.7 0.5 0.500
C-103 Physical Properties
Products Composition Density/g·cm-3 Temperature/˚C Coefficient of Line-expansion/10-6K-1 Recrystallization Temperature/˚C Anneal Temperature/˚C Elongation Brittle Transition Temperature/˚C
C-103 Nb-10Hf-1Ti-0.7Zr-0.1W-0.1Mo-0.05Ta 8.86 2349 4.5 (1203˚C) 1038 - 1316 871 - 196
Niobium Alloys C-103 Foil, Sheet, Strip and Plate Mechanical Property
  Ultimate Tensile Strength, Min, Psi (MPa) Yield Strength(0.2 % offset), Min,Psi (MPa) Elongation In 1 In.(25 mm) Gage Length, Min, %
Material 0.05 in. (1.3 mm) and thinner:
Room temperature 56 000 (385) 40 000 (275) 20
2000 ± 25°F
(1100 ± 15°C)
21 000 (145) 16 000 (110) 20
Material greater than 0.05 in. (1.3 mm) in thickness:
Room temperature 54 000 (370) 38 000 (260) 20
2000 ± 25°F
(1100 ± 15°C)
21 000 (145) 16 000 (110) 20
Niobium Alloys C-103 Rod Bar and Wire Mechanical Property
  Ultimate Tensile Strength, Min, Psi (MPa) Yield Strength(0.2 % offset), Min,Psi (MPa) Elongation In 1 In.(25 mm) Gage Length, Min, %
Material 0.050 in. (1.27 mm) and smaller in diameter:
Room temperature 56 000 (385) 40 000 (275) 20
2000 ± 25°F
(1100 ± 15°C)
21 000 (145) 16 000 (110) 20
Material 0.051 in. (1.30 mm) and larger in diameter:
Room temperature 54 000 (370) 38 000 (260) 20
2000 ± 25°F
(1100 ± 15°C)
21 000 (145) 16 000 (110) 20
C-103 High-temperature Properties
Products Composition Shape Temperature/˚C Tensile Strength/MPa Temperature/˚C Modulus of Elasticity Break Strength/MPa
C-103 10Hf, 1Ti, 0.7Zr Sheet 1093 189.8 - 112 490 -

C-103 Application

Niobium thermoalloys are widely used in the aerospace industry. C103 alloys can be used as rocket nozzles for space shuttle engines, thermal exchange tubes for jet aircraft, etc. Demand for this kind of alloy has increased dramatically due to the increase in satellite activity.
Niobium hafnium C103 application

If you need any assistance, please contact us.