Niobium, Nb
Material Information
Specifications
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 8.47 - 10.6 g/cc | 0.306 - 0.383 lb/in³ | Average value: 9.06 g/cc Grade Count:25 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Brinell | 126 - 219 | 126 - 219 | Average value: 186 Grade Count:7 |
Hardness, Knoop | 175 - 243 | 175 - 243 | Average value: 220 Grade Count:6 |
Hardness, Rockwell B | 71.0 - 97.0 | 71.0 - 97.0 | Average value: 88.7 Grade Count:7 |
Hardness, Rockwell C | 16.0 - 18.0 | 16.0 - 18.0 | Average value: 17.5 Grade Count:4 |
Hardness, Vickers | 50.0 - 550 | 50.0 - 550 | Average value: 159 Grade Count:17 |
Tensile Strength, Ultimate | 112 - 862 MPa | 16200 - 125000 psi | Average value: 456 MPa Grade Count:23 |
Tensile Strength, Yield | 75.0 - 752 MPa | 10900 - 109000 psi | Average value: 363 MPa Grade Count:20 |
Elongation at Break | 4.50 - 50.0 % | 4.50 - 50.0 % | Average value: 20.2 % Grade Count:23 |
Reduction of Area | 32.0 - 54.0 % | 32.0 - 54.0 % | Average value: 44.3 % Grade Count:3 |
Modulus of Elasticity | 68.9 - 140 GPa | 9990 - 20300 ksi | Average value: 105 GPa Grade Count:23 |
Poissons Ratio | 0.350 - 0.380 | 0.350 - 0.380 | Average value: 0.374 Grade Count:5 |
Machinability | 75.0 - 80.0 % | 75.0 - 80.0 % | Average value: 78.8 % Grade Count:4 |
Shear Modulus | 37.3 - 38.1 GPa | 5410 - 5530 ksi | Average value: 37.6 GPa Grade Count:5 |
Shear Strength | 250 - 425 MPa | 36300 - 61600 psi | Average value: 308 MPa Grade Count:3 |
Charpy Impact | 81.0 - 210 J | 59.7 - 155 ft-lb | Average value: 143 J Grade Count:4 |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Electrical Resistivity | 0.0000125 - 0.0000160 ohm-cm | 0.0000125 - 0.0000160 ohm-cm | Average value: 0.0000144 ohm-cm Grade Count:7 |
Magnetic Susceptibility | 0.00000228 | 0.00000228 | Average value: 0.00000228 Grade Count:3 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, Linear | 6.88 - 12.8 µm/m-°C | 3.82 - 7.10 µin/in-°F | Average value: 8.08 µm/m-°C Grade Count:16 |
Specific Heat Capacity | 0.255 - 0.340 J/g-°C | 0.0609 - 0.0813 BTU/lb-°F | Average value: 0.284 J/g-°C Grade Count:18 |
Thermal Conductivity | 41.8 - 69.6 W/m-K | 290 - 483 BTU-in/hr-ft²-°F | Average value: 50.3 W/m-K Grade Count:20 |
Melting Point | 955 - 2590 °C | 1750 - 4690 °F | Average value: 2370 °C Grade Count:24 |
Solidus | 955 - 2400 °C | 1750 - 4350 °F | Average value: 1890 °C Grade Count:3 |
Liquidus | 970 - 2590 °C | 1780 - 4690 °F | Average value: 2330 °C Grade Count:13 |
Boiling Point | 4740 - 4900 °C | 8570 - 8850 °F | Average value: 4780 °C Grade Count:8 |
Chemical Properties | Metric | English | Comments |
---|---|---|---|
Thermal Neutron Cross Section | 1.10 barns/atom | 1.10 barns/atom | Average value: 1.10 barns/atom Grade Count:4 |
Electrode Potential | -1.10 V | -1.10 V | Average value: -1.10 V Grade Count:3 |
Elemental Properties | Metric | English | Comments |
---|---|---|---|
Carbon, C | 0.0100 - 0.120 % | 0.0100 - 0.120 % | Average value: 0.0200 % Grade Count:12 |
Hafnuium, Hf | 0.0100 - 30.0 % | 0.0100 - 30.0 % | Average value: 9.28 % Grade Count:9 |
Hydrogen, H | 0.00100 - 0.00200 % | 0.00100 - 0.00200 % | Average value: 0.00155 % Grade Count:10 |
Nickel, Ni | 0.00500 - 50.0 % | 0.00500 - 50.0 % | Average value: 16.7 % Grade Count:3 |
Niobium, Nb (Columbium, Cb) | 56.0 - 100 % | 56.0 - 100 % | Average value: 88.9 % Grade Count:28 |
Nitrogen, N | 0.0100 - 0.0300 % | 0.0100 - 0.0300 % | Average value: 0.0220 % Grade Count:10 |
Oxygen, O | 0.0150 - 0.0300 % | 0.0150 - 0.0300 % | Average value: 0.0270 % Grade Count:10 |
Silicon, Si | 0.00500 - 0.0300 % | 0.00500 - 0.0300 % | Average value: 0.0133 % Grade Count:3 |
Tantalum, Ta | 0.100 - 29.0 % | 0.100 - 29.0 % | Average value: 7.35 % Grade Count:12 |
Titanium, Ti | 0.700 - 44.0 % | 0.700 - 44.0 % | Average value: 9.60 % Grade Count:5 |
Tungsten, W | 0.0300 - 17.0 % | 0.0300 - 17.0 % | Average value: 6.51 % Grade Count:14 |
Zirconium, Zr | 0.500 - 3.00 % | 0.500 - 3.00 % | Average value: 0.946 % Grade Count:12 |
NOTE: The information in this data sheet is for design guidance only. Forming methods and specific geometry could affect properties.
Overview
Niobium, also known as Columbium, is a ductile metal that is most commonly used as a strong structural steel alloy. It’s a structurally sound metal with a high melting point and high resistance to corrosion. It is commonly combined with steel, nickel, cobalt, iron and other metals to create a strong, resistant alloy. As well as being very stable under extreme temperatures. Material data provided by Eagle Alloys.
Applications & Usage
- Sputtering Targets
- Building Beams and Girders
- MRI Scanners
- Superconductors
- Capacitors
- Sodium Vapor Lamps
- Turbine Blades
- Gas Pipelines
- Jet Engines
- Combustion Equipment
- Chemical Storage
Industries Using This Material
Semiconductor
One of the original second source providers, Glemco has been manufacturing products in the US in support of the semiconductor industry for over 40 years. Our extensive history means that we can support the oldest legacy equipment or the newest cutting-edge implant technology, with available upgrades and enhancements to drive efficiency, reliability and performance improvements.
Semiconductor
One of the original second source providers, Glemco has been manufacturing products in the US in support of the semiconductor industry for over 40 years. Our extensive history means that we can support the oldest legacy equipment or the newest cutting-edge implant technology, with available upgrades and enhancements to drive efficiency, reliability and performance improvements.
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Energy
CNC machining technology has always been crucial in creating the complex devices that drive our energy industry. Advanced machining techniques are used to achieve the level of quality and efficiency needed to support today’s complex and varied methods of power generation.
Energy
CNC machining technology has always been crucial in creating the complex devices that drive our energy industry. Advanced machining techniques are used to achieve the level of quality and efficiency needed to support today’s complex and varied methods of power generation.
Aerospace
Our well-equipped shop excels in the types of high precision components with complex geometries that the Aerospace industry needs, ensuring product that meets specification and is on time and within budget.
Aerospace
Our well-equipped shop excels in the types of high precision components with complex geometries that the Aerospace industry needs, ensuring product that meets specification and is on time and within budget.