41 92.906
Nb
Niobium

Niobium , Nb

Niobium is a chemical element that has the symbol Nb and atomic number 41. A rare, soft, gray, ductile transition metal, niobium is found in pyrochlore and columbite. It was first discovered in the latter mineral and so was initially named columbium; now that mineral is also called "niobite". Niobium is used in special steel alloys as well as in welding, nuclear industries, electronics, optics and jewellery.

 

  • Listed below are a selection of some more commonly used sizes. If you do not see anything that suits your needs, please click on the custom request forms and send us your requirements.
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N3-5001-M

Nb2O5 3-6mm Pieces (white sintered) 99.95% Pure

Niobium Oxide

N3-5002-M
Nb 6mm dia. x 6mm long 99.95% PureNiobium
N3-5003-M
Nb Pieces 2-4mm 99.95% PureNiobium
N3-5006-M
Nb2O5 3-12mm Pieces 99.0.95Niobium Oxide
N3-5009-M
Nb2O5 3-6mm Pieces (sintered) 99.99%Niobium Oxide
N3-5010-M
Nb 1-6mm Pieces 99.99% PureNiobium

Can't find what you are looking for?

N3-10010-P
NbC -325 mesh (typ. =10 microns) 99.5%Niobium Carbide
N3-10011-P
Nb2C -325 mesh (typ. =10 microns) 99.5%Niobium Carbide
N3-10012-P
NbCl5 -100 mesh 99.95% PureNiobium Chloride
N3-10014-P
NbF5 -80 mesh 99.5% PureNiobium Fluoride
N3-10019-P
NbN -325 mesh (typ. =10 microns) 99.5%Niobium Nitride
N3-10020-P
NbO -100mesh 99.9%Niobium Oxide
N3-10021-P
NbO2 -200 mesh 99.5% PureNiobium Oxide
N3-10022-P
Nb2O5 -325 mesh (typ. =10 microns) 99.95%Niobium Oxide
N3-10023-P
Nb2O5 -325 mesh (typ. =10 microns) 99.5%Niobium Oxide
N3-10024-P
Nb2O5 <5 Um average 100.00%Niobium Oxide
N3-10026-P
NbSe2 =5 um 99.8% PureNiobium Selenide
N3-10031-P
NbS1.75 -325mesh (typ. =10 microns) 99.9%Niobium Sulphide
N3-10032-P
NbTe2 -325 mesh (typ. =10 microns) 99.8%Niobium Sulphide
N3-10034-P
Nb2O5 Powder <45 Micron 99.99% PureNiobium Oxide
N3-10035-P
Nb2O5 vacuum sintered grey granules 1-3mm99.9% PureNiobium oxide
N3-10036-P
Nb2O5 vacuum sintered grey granules 2-6mm99.9% PureNiobium oxide

Can't find what you are looking for?

N3-2000-R
Nb Rod 2mm dia. x 27mm long 99.95% PureNiobium
N3-2006-R1
Nb Rod 25.4mm dia. x 50.8mm long 99.95% PureNiobium
N3-2007-R1
Nb Rod 3mm dia. x 100mm long 99.95% PureNiobium
N3-2007-R2
Nb Rod 3mm dia x <=200mm long 99.95% PureNiobium
N3-2008-R1
Nb Rod 5mm dia. x 250mm long 99.95% PureNiobium
N3-2008-R2
Nb Rod 4mm dia. x 27mm long 99.95% PureNiobium
N3-2008-R3
Nb Rod 5mm dia. x 1000mm long 99.95% PureNiobium
N3-2009-R1
Nb Rod 6mm dia. 99.95% PureNiobium
N3-2010-R1
Nb Rod 4mm dia. x 27mm long 99.95% PureNiobium
N3-2011-R1
Ni Rod 20mm dia. x 250mm Long 99.98% PureNickel

Can't find what you are looking for?

NB-SHT-0.5

Nb sheet Thickness 0.50mm (0.020")

Purity 99.95%, Niobium

NB-SHT-0.76

Nb sheet Thickness 0.76mm (0.030")

Purity 99.95%, Niobium

NB-SHT-1

Nb sheet Thickness 1.0mm (0.040")

Purity 99.95%, Niobium

NB-SHT-12.7

Nb sheet Thickness 12.7mm (0.500")

Purity 99.95%, Niobium

NB-SHT-25.4

Nb sheet Thickness 25.4mm (1")

Purity 99.95%, Niobium

NB-SHT-3.18

Nb sheet Thickness 3.18mm (0.125")

Purity 99.95%, Niobium

NB-SHT-6.35

Nb sheet Thickness 6.35mm (0.250")

Purity 99.95%, Niobium

NB-SHT-9.5

Nb sheet Thickness 9.5mm (0.375")

Purity 99.95%, Niobium

Can't find what you are looking for?

N3-1000-W
Nb wire 25 micron dia. 99.9%Niobium
N3-1001-W
Nb wire 50 micron dia. 99.9%Niobium
N3-1002-W

Nb Wire 0.5mm dia. 99.9% Pure

Niobium

N3-1013-W
Nb wire 0.040" dia. 99.9% PureNiobium

Can't find what you are looking for?

N3-9000-D

Niobium Nb Available purities 99.9%, 99.95% as standard, higher grades of 99.99% & 99.995% also possible

N3-9001-D

Niobium-Germanium Nb3Ge, Available purity 99.95%

N3-9002-D

Niobium-Titanium, Nb-Ti Available in various ratios wt% or at%, Purity 99.9%+

N3-9003-D

Niobium-Zirconium 90/10 wt%, Available purity 99.5%+

N3-9004-D

Niobium carbide NbC, Available purity 99.5%

N3-9005-D

Niobium-Tin Nb3Sn, Available purity 99.95%

N3-9006-D

Niobium nitride NbN, Standard purity 99.5%, depending on raw material 99.9% possible.

N3-9007-D

Niobium oxide Nb2O5, Available purity 99.99%

N3-9007-Dx

Niobium oxide NbOx, Available purity 99.99%

N3-9008-D

Niobium oxide-Sodium oxide Nb2O5-Na2O Available in various ratios wt% or at%, Purity 99.9%

N3-9009-D

Niobium oxide-Sodium phosphate Nb2O5-NaPO3 Available in various ratios wt% or at%, Purity 99.9%

N3-9010-D

Nickel-Tantalum Ni-Ta Available in various ratios wt% or at%, Purity 99.9%

N3-9011-D

Niobium - Boron NbB2, Available purity 99.9%

N3-9012-D

Niobium-Titanium-Tungsten Available in various ratios wt% or at%, Purity 99.9%

N3-9013-D

Niobium-Molybdenum Available in various ratios wt% or at%, Purity 99.9%

N3-9015-D

Niobium-Titanium-Vanadium Nb-Ti-V Available in various ratios wt% or at%, Purity 99.9%

N3-9016-D

Niobium-Rhenium NbRe Available in various ratios wt% or at%, Purity 99.9% & 99.95%

N3-9017-D

Niobium oxide Sodium oxide Nb2O5-Na2O Available in various ratios wt% or at%, Purity 99.99%

N3-9019-D

Niobium Selenide NbSe2, Available purity 99.9%

N3-9021-D

Niobium-Tantalum-Molybdenum-Tungsten Nb-Ta-Mo-W Available in various ratios wt% or at%, Purity 99.9%

N3-9022-D

Niobium-Aluminium Nb3Al Available purity 99.9%

Can't find what you are looking for?

NB-F-0.1

Nb Foil Thickness 0.1mm (0.004") Purity 99.95%

Niobium 

NB-F-0.2

Nb Foil Thickness 0.2mm (0.008") Purity 99.95%

Niobium 

Can't find what you are looking for?

N3-9004-D1
NbC TRG 101.6mm dia. x 6.35mm Tk 99.5% PureSuperVac© Niobium carbide
N3-9006-D1
NbN TRG 50.8mm dia. x 6mm Tk 99.5% PureSuperVac© Niobium nitride
N3-9006-D3
NbN TRG 25.4mm dia. x 6.35mm Tk 99.5% PureSuperVac© Niobium nitride
N3-9006-D4
NbN TRG 50.8mm dia. x 3mm Tk 99.5% PureNiobium nitride
N3-9007-D1
Nb2O5 TRG 76.2mm dia. x 3.18mm Tk 99.99% PureNiobium oxide
N3-9007-D3
Nb2O5 TRG 50.8mm dia. x 3.18mm Tk 99.99% PureNiobium oxide
N3-9007-D4
Nb2O5 TRG 76.2mm dia. x 6.35mm Tk 99.99% PureNiobium oxide
N3-9007-D5
Nb2O5 TRG 50.8mm dia. x 6.35mm Tk 99.99% PureNiobium pentoxide
N3-9007-D6
Nb2O5 TRG 50.8mm dia. x 3.18mm Tk 99.95% PureNiobium Oxide
N3-9018-D1
NbO2-x TRG 76.2mm dia. x 6.35mm Tk 99.99% PureNiobium oxide
NB-ST-2-3-3N5
Nb TRG 50.8mm dia. x 3mm Tk 99.95% PureNiobium
$66.00/PCS
10 PCS in stock
Select Qty
NB-ST-2-6-3N5
Nb TRG 50.8mm dia. x 6mm Tk 99.95% PureNiobium
$85.80/PCS
5 PCS in stock
Select Qty
NB-ST-2-6-4N

Nb TRG 50.8mm dia. x 6mm Tk 99.99% Pure

Niobium

$264.00/PCS
8 PCS in stock
Select Qty
NB-ST-3-3-3N5
Nb TRG 76.2mm dia. x 3mm Tk 99.95% PureNiobium
$125.40/PCS
4 PCS in stock
Select Qty
NB-ST-3-6-3N5
Nb TRG 76.2mm dia. x 6.35mm Tk 99.95% PureNiobium
NB-ST-4-3-3N5
Nb TRG 101.6mm dia. x3mm Tk 99.95% PureNiobium Metal
$151.80/PCS
3 PCS in stock
Select Qty
NB-ST-4-6-3N5
Nb TRG 101.6mm dia. x 6mm Tk 99.95% PureNiobium
$178.20/PCS
4 PCS in stock
Select Qty

Niobium is a shiny gray, ductile metal that takes on a bluish tinge when exposed to air at room temperature for extended periods. Niobium's chemical properties are almost identical to the chemical properties of tantalum, which appears below niobium in the periodic table.

When it is processed at even moderate temperatures niobium must be placed in a protective atmosphere. The metal begins to oxidize in air at 200 ° C; its most common oxidation states are +3, and +5, although others are also known.

Symbol Nb
Atomic number 41
No. of naturally occurring isotopes 1
Atomic weight 92.9064
Electronic configuration [Kr]4d35s2
Metal radius) 12-coordinate)/pm 146
Ionic radius! 6-coordinate)/pm V 64
Ionic radius!6-coordinate)/pm IV 68
Ionic radius! 6-coordinate)/pm III 72
Density (20°C)/gcm-3 8.57
Melting point / °C 2468
Boiling point / °C 4758
ΔHfus/kJmol-1 26.8
ΔHvap/kJmol-1 680.2
ΔHf(monoatomic gas)/kJmol-1 724
Electrical resistivity (20°C)/μohm cm ~12.5
Electronegativity χ 1.6