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Master Bond adhesives
H.C. Starck NRC® 91 Tantalum - 7% Tungsten Alloy
Categories: Metal; Nonferrous Metal; Refractory Metal

Material Notes: Applications: NRC® 91 Metal wire products are primarily used for their superior tensile and yield strengths and torsion modulus. These properties are retained at high temperatures in vacuum. Further, this alloy has good dimensional stability even after repeated thermal cycles to 2400°F in vacuum. This alloy maintains tantalum's excellent corrosion resistance to halogens and acids. It is ideal for use in the manufacture of springs that are used in corrosive environments. This alloy is made by powder metallurgy.

Forms Available: Wire between diameters 0.015 to 0.093".

Corrosion Resistance: The chemical resistance properties of NRC® 91 Metal, like tantalum, are similar to those of glass. The alloy resists attack by almost all acids, except hydrofluoric, and has been successfully employed in severely corrosive environments. It is not attacked by chlorine or bromine gases.

Information provided by H.C. Starck.

Vendors:
Available Properties
  • Specific Gravity
  • Hardness, Rockwell B, hardness as annealed
  • Tensile Strength, annealed
  • Tensile Strength, unannealed, drawn from annealed 0.080" wire
  • Tensile Strength, unannealed, drawn from annealed 0.080" wire
  • Tensile Strength, unannealed, drawn from annealed 0.080" wire
  • Tensile Strength, unannealed, drawn from annealed 0.080" wire
  • Elongation at Break, unannealed, drawn from annealed 0.080" wire
  • Elongation at Break, unannealed, drawn from annealed 0.080" wire
  • Elongation at Break, unannealed, drawn from annealed 0.080" wire
  • Elongation at Break, unannealed, drawn from annealed 0.080" wire
  • Elongation at Break, annealed
  • Modulus of Elasticity
  • Modulus of Rigidity
  • Poissons Ratio, Calculated
  • Volume Resistivity
  • Melting Point
  • Carbon, C
  • Hydrogen, H
  • Iron, Fe
  • Molybdenum, Mo
  • Nickel, Ni
  • Niobium, Nb (Columbium, Cb)
  • Nitrogen, N
  • Oxygen, O
  • Silicon, Si
  • Tantalum, Ta, Balance
  • Titanium, Ti
  • Tungsten, W
  
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