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Niobium, Nb

Material Information

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Specifications

Physical PropertiesMetricEnglishComments
Density8.47 - 10.6 g/cc0.306 - 0.383 lb/in³ Average value: 9.06 g/cc Grade Count:25
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell126 - 219126 - 219Average value: 186 Grade Count:7
Hardness, Knoop175 - 243175 - 243Average value: 220 Grade Count:6
Hardness, Rockwell B71.0 - 97.071.0 - 97.0Average value: 88.7 Grade Count:7
Hardness, Rockwell C16.0 - 18.016.0 - 18.0Average value: 17.5 Grade Count:4
Hardness, Vickers50.0 - 55050.0 - 550Average value: 159 Grade Count:17
Tensile Strength, Ultimate 112 - 862 MPa16200 - 125000 psiAverage value: 456 MPa Grade Count:23
Tensile Strength, Yield75.0 - 752 MPa10900 - 109000 psiAverage value: 363 MPa Grade Count:20
Elongation at Break4.50 - 50.0 % 4.50 - 50.0 %Average value: 20.2 % Grade Count:23
Reduction of Area32.0 - 54.0 %32.0 - 54.0 %Average value: 44.3 % Grade Count:3
Modulus of Elasticity68.9 - 140 GPa9990 - 20300 ksiAverage value: 105 GPa Grade Count:23
Poissons Ratio0.350 - 0.3800.350 - 0.380Average value: 0.374 Grade Count:5
Machinability75.0 - 80.0 %75.0 - 80.0 %Average value: 78.8 % Grade Count:4
Shear Modulus37.3 - 38.1 GPa5410 - 5530 ksiAverage value: 37.6 GPa Grade Count:5
Shear Strength250 - 425 MPa36300 - 61600 psiAverage value: 308 MPa Grade Count:3
Charpy Impact81.0 - 210 J59.7 - 155 ft-lbAverage value: 143 J Grade Count:4
Electrical PropertiesMetricEnglishComments
Electrical Resistivity0.0000125 - 0.0000160 ohm-cm0.0000125 - 0.0000160 ohm-cmAverage value: 0.0000144 ohm-cm Grade Count:7
Magnetic Susceptibility 0.000002280.00000228Average value: 0.00000228 Grade Count:3
Thermal PropertiesMetricEnglishComments
CTE, Linear6.88 - 12.8 µm/m-°C3.82 - 7.10 µin/in-°FAverage value: 8.08 µm/m-°C Grade Count:16
Specific Heat Capacity0.255 - 0.340 J/g-°C0.0609 - 0.0813 BTU/lb-°FAverage value: 0.284 J/g-°C Grade Count:18
Thermal Conductivity41.8 - 69.6 W/m-K290 - 483 BTU-in/hr-ft²-°FAverage value: 50.3 W/m-K Grade Count:20
Melting Point955 - 2590 °C1750 - 4690 °FAverage value: 2370 °C Grade Count:24
Solidus955 - 2400 °C1750 - 4350 °FAverage value: 1890 °C Grade Count:3
Liquidus970 - 2590 °C1780 - 4690 °FAverage value: 2330 °C Grade Count:13
Boiling Point4740 - 4900 °C8570 - 8850 °FAverage value: 4780 °C Grade Count:8
Chemical PropertiesMetricEnglishComments
Thermal Neutron Cross Section1.10 barns/atom1.10 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 PropertiesMetricEnglishComments
Carbon, C0.0100 - 0.120 %0.0100 - 0.120 %Average value: 0.0200 % Grade Count:12
Hafnuium, Hf0.0100 - 30.0 %0.0100 - 30.0 %Average value: 9.28 % Grade Count:9
Hydrogen, H0.00100 - 0.00200 %0.00100 - 0.00200 %Average value: 0.00155 % Grade Count:10
Nickel, Ni0.00500 - 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, N0.0100 - 0.0300 %0.0100 - 0.0300 %Average value: 0.0220 % Grade Count:10
Oxygen, O0.0150 - 0.0300 %0.0150 - 0.0300 %Average value: 0.0270 % Grade Count:10
Silicon, Si0.00500 - 0.0300 %0.00500 - 0.0300 %Average value: 0.0133 % Grade Count:3
Tantalum, Ta0.100 - 29.0 %0.100 - 29.0 %Average value: 7.35 % Grade Count:12
Titanium, Ti0.700 - 44.0 %0.700 - 44.0 %Average value: 9.60 % Grade Count:5
Tungsten, W0.0300 - 17.0 %0.0300 - 17.0 %Average value: 6.51 % Grade Count:14
Zirconium, Zr0.500 - 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.

Specialists with 40 years’ experience in manufacturing high quality products for a global market.

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Contact Us

Address: 901 CR 270, Leander, TX 78641
Email: sales@glemco.com

Main: 512.259.0320
Toll Free: 800.621.9598
Fax: 512.259.5101

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Measurement & Inspection Equipment

  • • Coordinates Measurement
  • • Optical Comparators
  • • Leak Check System
  • • Pressure Test System
  • • Height Gauges
  • • Surface Comparators & Plates
  • • Hardness Testers
  • • Digital Calipers
  • • Vernier Calipers
  • • Precision Squares
  • • Inside & Outside Micrometers
  • • Thread Micrometers
  • • Depth Micrometers
  • • Blade Micrometers
  • • Hole Micrometers
  • • Sine Bar and Angle blocks
  • • Torque Wrenches
  • • Gage Block & Pin Sets
  • • Bore Gages
  • • Chamfer Gages
  • • Indicators
  • • Refractometers
  • • Ring & Outside Gages
  • • Thickness Gages
Milling2
5Axis2
Machine User Interface

Milling Machinery

Positional and dynamic 5 axis machining centers, up to x= 60” y= 26” z= 24”
High speed drilling and tapping centers, up to x=24” y=15.75” z=24”
Vertical machining centers, up to x=24” y=12” z=12”

Turning Tools

2 axis, max diameter 9”, max thru spindle diameter 2”, Max length 22”
4 axis with live tooling, max diameter 14”, max thru spindle diameter 3”, Max length 24”
5 axis with live tooling, max diameter 9”, max thru spindle diameter 2.6”, Max length 4.7”

Wire EDMs

Max part size x=41” y= 32.25” z= 11.75”
Max cutting capacity x=23.5” y= 15.5” z= 12”

CNC Sheet Metal Forming Machinery

Precision 36 ton, 6 axis control press brake, 48” length, 4” stroke, 10” throat depth

Versatility & Support Tools

Mills and lathes
Surface grinders
Hydraulic presses
Sheet metal shears
Horizontal and vertical band saws
Indexers/Rotary tables
Kilns
Blue M Ovens

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Glemco has met all necessary criteria for NWBOC certification. Liana Merriman is the controlling business owner and is the final decision maker to employees, supervisors and managers. Her control spans all management of the business including sales, production and financial operations. Partners, vendors and suppliers can be confident that Glemco is indeed a woman owned company. View our NWBOC Certificate.

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Glemco appreciates that the customer is our business. We embrace ISO as a management tool, and believe that only by embracing the concepts of Total Quality Management can we best service our customers. Glemco is committed to total customer satisfaction, achieved through innovative solutions to our customer’s needs. We strive to offer the highest quality product with continual improvement of manufacturing processes, service, and delivery. View our ISO 9001: 2015 Certificate.