Strip, Coil, Foil, Wire, ASTM B393

NIOB1 (Type 1 Reactor Grade Unalloyed)
NIOB2 (Type 2 Commercial Grade Unalloyed)

Applications

Type 1 and Type 2:
Used in jewelry, super-abrasives, thin film deposition (glass), high-energy physics, springs and superconducting magnets for aerospace, consumer electronics, medical and superconducting applications

Description

Niobium is a very soft refractory metal with an extremely high melting point and corrosive resistant properties. High thermal/electric conductivity, easily fabricated and bio-compatible.

Chemistry: Ingot

Element Type 1 Reactor Grade Type 2 Commercial Grade

Niobium Balance Balance
Carbon 0.01 0.01
Nitrogen 0.01 0.01
Oxygen 0.015 0.025
Hydrogen 0.0015 0.0015
Zirconium 0.02 0.02
Tantalum 0.1 0.3
Iron 0.005 0.005
Silicon 0.005 0.005
Tungsten 0.03 0.05
Nickel 0.005 0.005
Molybdenum 0.020 0.020
Hafnium 0.02 0.02
Titanium 0.02 0.02


Below Elements Specified

Boron 2ppm --
Aluminum 0.002 .005
Beryllium 0.005 --
Chromium 0.005 --
Cobalt 0.002 --

Physical Properties


Density: 0.310 lbs/in3, 8.66 g/cm3

Mean Coefficient of Thermal Expansion, in/in/° F (mm/m/° C) 70 - 212 °F (20 - 100 ° C): 4.05 x 10-6 (7.3)

Thermal Conductivity: (W/m-° K)
(21 ° C): 53.7

Modulus of Elasticity, ksi (MPa)
1.52 x 103 (104.9 x 103) in tension

Melting Point: 4490 ° F (2477 ° C)


Forms

Coil - Strip, Foil, Ribbon
Wire - Profile, Round, Flat, Square

Mechanical Properties at Room Temperature

Annealed: Typical

Ultimate Tensile Strength: 18 KSI min (124 MPa min)
Yield Strength (0.2% offset): 10.5 KSI min (72 MPa min)
Elongation:
Gauges: less than 0.010 inches: 15% min
Gauges: 0.010 inches and greater: 20% min

*Gauges: less than 0.010 inches: 15% min
Gauges: 0.010 inches and greater: 20% min



Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels & Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.


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