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.

 

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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% Pure

Niobium

N3-5003-M

Nb Pieces 2-4mm 99.95% Pure

Niobium

N3-5006-M

Nb2O5 3-12mm Pieces 99.95% Pure

Niobium Oxide

N3-5009-M

Nb2O5 3-6mm Pieces (sintered) 99.99% Pure

Niobium Oxide

N3-5010-M

Nb 1-6mm Pieces 99.99% Pure

Niobium

N3-10010-P

NbC -325 mesh (typ. =10 microns) 99.5% Pure

Niobium Carbide

N3-10011-P

Nb2C -325 mesh (typ. =10 microns) 99.5% Pure

Niobium Carbide

N3-10012-P

NbCl5 -100 mesh 99.95% Pure

Niobium Chloride

8 UN1759 PG II Corrosive

N3-10014-P

NbF5 -80 mesh 99.5% Pure

Niobium Fluoride

8 UN1759 PG II Corrosive

N3-10020-P

NbO -100mesh 99.9% Pure

Niobium Oxide

N3-10021-P

NbO2 -200 mesh 99.5% Pure

Niobium Oxide

N3-10022-P

Nb2O5 -325 mesh (typ. =10 microns) 99.95% Pure

Niobium Oxide

N3-10023-P

Nb2O5 -325 mesh (typ. =10 microns) 99.5% Pure

Niobium Oxide

N3-10024-P

Nb2O5 <5 microns average 99.99% Pure

Niobium Oxide

N3-10026-P

NbSe2  <5 microns 99.8% Pure 

Niobium Selenide

N3-10031-P

NbS1.75 -325mesh (typ. =10 microns) 99.9% Pure

Niobium Sulphide

N3-10032-P

NbTe2 -325 mesh (typ. =10 microns) 99.8% Pure

Niobium Sulphide

6.1 UN3288 PG III Toxic

N3-10034-P

Nb2O5 Powder <45 Micron 99.99% Pure

Niobium Oxide

N3-10035-P

Nb2O5 vacuum sintered grey granules 1-3mm 99.9% Pure

Niobium oxide

N3-10036-P

Nb2O5 vacuum sintered grey granules 2-6mm 99.9% Pure

Niobium oxide

N3-2000-R

Nb Rod 2mm dia. x 27mm long 99.95% Pure

Niobium

N3-2006-R1

Nb Rod 25.4mm dia. x 50.8mm long 99.95% Pure

Niobium

N3-2007-R1

Nb Rod 3mm dia. x 100mm long 99.95% Pure

Niobium

N3-2007-R2

Nb Rod 3mm dia x <=200mm long 99.95% Pure

Niobium

N3-2008-R1

Nb Rod 5mm dia. x 250mm long 99.95% Pure

Niobium

N3-2008-R2

Nb Rod 4mm dia. x 27mm long 99.95% Pure

Niobium

N3-2008-R3

Nb Rod 5mm dia. x 1000mm long 99.95% Pure

Niobium

N3-2009-R1

Nb Rod 6mm dia. 99.95% Pure

Niobium

N3-2010-R1

Nb Rod 4mm dia. x 27mm long 99.95% Pure

Niobium

N3-2011-R1

Ni Rod 20mm dia. x 250mm Long 99.98% Pure

Nickel

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

N3-1000-W

Nb wire 25 micron dia. 99.9% Pure

Niobium

N3-1001-W

Nb wire 50 micron dia. 99.9% Pure

Niobium

N3-1002-W

Nb Wire 0.5mm dia. 99.9% Pure

Niobium

N3-1013-W

Nb wire 0.040" dia. 99.9% Pure

Niobium

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%

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 

N3-9004-D1

NbC TRG 101.6mm dia. x 6.35mm Tk 99.5% Pure

Niobium carbide

N3-9006-D1

NbN TRG 50.8mm dia. x 6mm Tk 99.5% Pure

Niobium nitride

N3-9006-D3

NbN TRG 25.4mm dia. x 6.35mm Tk 99.5% Pure

Niobium nitride

N3-9006-D4

NbN TRG 50.8mm dia. x 3mm Tk 99.5% Pure

Niobium nitride

N3-9007-D1

Nb2O5 TRG 76.2mm dia. x 3.18mm Tk 99.99% Pure

Niobium oxide

N3-9007-D3

Nb2O5 TRG 50.8mm dia. x 3.18mm Tk 99.99% Pure

Niobium oxide

N3-9007-D4

Nb2O5 TRG 76.2mm dia. x 6.35mm Tk 99.99% Pure

Niobium oxide

N3-9007-D5

Nb2O5 TRG 50.8mm dia. x 6.35mm Tk 99.99% Pure

Niobium pentoxide

N3-9007-D6

Nb2O5 TRG 50.8mm dia. x 3.18mm Tk 99.95% Pure

Niobium Oxide

N3-9018-D1

NbO2-x TRG 76.2mm dia. x 6.35mm Tk 99.99% Pure

Niobium oxide

NB-ST-2-3-3N5

Nb TRG 50.8mm dia. x 3mm Tk 99.95% Pure

Niobium

$66.00/PCS
2 PCS in stock
Select Qty
NB-ST-2-6-3N5

Nb TRG 50.8mm dia. x 6mm Tk 99.95% Pure

Niobium

$92.40/PCS
0 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
6 PCS in stock
Select Qty
NB-ST-3-3-3N5

Nb TRG 76.2mm dia. x 3mm Tk 99.95% Pure

Niobium

$125.40/PCS
1 PCS in stock
Select Qty
NB-ST-3-6-3N5

Nb TRG 76.2mm dia. x 6.35mm Tk 99.95% Pure

Niobium

NB-ST-4-3-3N5

Nb TRG 101.6mm dia. x3mm Tk 99.95% Pure

Niobium 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% Pure

Niobium

$178.20/PCS
2 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