Spherical Niobium (Nb) Powder

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Spherical Niobium (Nb) powder powder has the characteristics of high sphericity, good fluidity, high purity, large loose density, full density inside particles, no hollow powder and so on. 

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We provide spherical niobium powder with high purity, low oxygen, high sphericity, smooth surface, no satellite, uniform particle size distribution. Nb, as the lightest refractory metal, has the characteristics of high melting point, high-temperature strength and specific strength, no radioactivity, and so on. Spherical niobium powder is suitable for laser/electron beam augmentation, thermal isostatic pressing, laser cladding, thermal spraying, cold spraying, and so on.

Product specifications (Particle Size)

5-25μm, 15-45μm, 15-53μm, 45-75μm, 45-105μm, 75-150μm. (Various granularities can be customized according to customer requirements)

Powder characteristics

High purity (99.9%), low oxygen (600ppm), high sphericity (98%), smooth surface, no satellite spheres, uniform particle size distribution, and excellent flow properties (15.0s/50g) And high bulk density (4.5g/cm3) and tap density (5.5g/cm3).

Applicable processes

Laser/electron beam additive manufacturing (SLM/EBM, 3D printing), laser direct deposition (DLD), powder hot isostatic pressing (HIP), metal injection molding (MIM), powder metallurgy (PM), laser cladding ( LC), and other processes.

Powder application

Niobium is the lightest refractory metal. It has the characteristics of high melting point, high-temperature strength and specific strength, and no radioactivity. It is the preferred thermal protection material and structural material for aerospace engines. Radiofrequency plasma spheroidized niobium powder has the characteristics of high sphericity, good fluidity, high purity, large loose packing density, full internal density of the particles, and no hollow powder. It is widely used in palladium materials, vacuum coating, and thermal spraying, coating, cold spraying, and other fields.

Product packaging

Vacuum packaging, 1kg/bag, 2kg/bag; iron drum lined with plastic bag 25 kg/drum; special packaging is available according to user requirements.

Chemical Composition

Chemical Composition - by ICP-AES

Element

Nb

Mo

Fe

Ni

Ta

Si

Cr

Ti

Value (%)

99.98

0.003

0.005

0.001

0.005

0.002

0.002

0.002

Gas Impurities

Element

C

P

O

N

Value (%)

</= 0.01

</= 0.002

</= 0.06

</= 0.003

 Physical Properties

Density (g/cm3)

Hall Flow Rate (s/50g)

Apparent Density

Tap Density

Value

>4.5

>5.5

</= 15.0

Particle Size Description

5-25μmD10=5~10μmD50=15~20μmD90=20~25μm

15-45μmD10=15~20μmD50=25~30μmD90=35~40μm

15-53μmD10=15~20μmD50=25~35μmD90=45~50μm

45-75μmD10=45~55μmD50=55~65μmD90=70~75μm

45-105μmD10=50~60μmD50=75~85μmD90=95~105μm

75-150μmD10=80~90μmD50=110~125μmD90=135~150μm

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