Niobium Carbide
Product Niobium Carbide Powder (NbC Powder)
Part Number TRM-NB017
Density 7.6 g/cm3 
CAS Number 120690-94-2

Typical application: Niobium Carbide Powder (NbC Powder) is used as the part of the tantalum carbide substitutes and is widely used in the hard alloy additives.

Order Information

Inquiries and orders should include the following information:
1. Quantity
2. Carbon Content
3. Particle Size

Chemical Composition – Niobium Carbide Powder

Grade NB017-1 NB017-2 NB017-3
Carbon ≥11.0 ≥11.0 ≥11.0
Free Carbon 0.2 0.15 0.15
Impurities

(%max)

O 0.36 0.3 0.25
N 0.03 0.03 0.03
Fe 0.015 0.015 0.015
Nb 0.25 0.25 0.25
Si 0.01 0.02 0.02
Al 0.005 0.01 0.01
Na 0.01 0.02 0.02
Ca 0.01 0.02 0.02
K 0.005 0.01 0.01
FSSS (um) 0.9-1.3 >1.3-2.0 >2.0-3.0

Standard Packing

Iron Drums, or the Special package is available on request.

Physical Properties – Niobium Carbide Powder

Form Powder
Color Yellowish-brown
Molecular Weight 105.93
Melting Point 3500°C
Density 7.6 g/cm3 at 25°C (lit.)
Solubility in H2O Insoluble
Safety UN3178
PackingGroup III