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Spherical Refractory W-4Nb Alloy Powder is made by Radio Frequency Plasma Spheroidization atomized method, which has high purity hypoxia, high sphericity, smooth surface, no satellite, uniform particle size distribution, excellent flow performance, and high loose density and vibrational density.
Order(MOQ) :
1 KgPayment :
T/T ; L/C at sightProduct Origin :
ChinaShipping Port :
Foshan / Guangzhou / ShenzhenLead Time :
1-7 daysStardust company provide spherical refractory W-4Nb alloy powder with high purity, low oxygen, high sphericity , smooth surface, no satellite spheres, uniform particle size distribution. As the lightest refractory metal, niobium has the characteristics of high melting point, high temperature strength and high specific strength, and no radioactivity. It's the perfect thermal protection material and structural material for aerospace engines. Spherical niobium powder is suitable for laser/electron beam additive manufacturing, hot isostatic pressing, laser cladding, hot/cold coating and other processes.
We can not only provide relatively mature research on spherical refractory W-4Nb alloy powder but also provide 3D printing services, metal spheroidization services, 3D printing machines and devices .
5-25μm, 15-45μm, 15-53μm, 45-75μm, 45-105μm, 75-150μm.
(Various granularities can be customized according to customer requirements)
High purity (≥99.9%), low oxygen (≤300ppm), high sphericity (≥98%), smooth surface, no satellite spheres, uniform particle size distribution, and excellent flow properties (≤15.0s/50g), And high apparent density (≥4.5g/cm3) and tap density (≥5.5g/cm3).
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 | |||||
| Element | Value (%) | Test Method | Element | Value (%) | Test Method |
| W | Remaining | — | Fe | <0.01 | ICP-AES |
| Nb | 3.67 | ICP-AES | Co | <0.001 | ICP-AES |
| Mn | <0.001 | ICP-AES | Mo | <0.001 | ICP-AES |
| Ni | <0.01 | ICP-AES | Other | <0.05 | - |
| Gas Impurities | |||||
| Element | Value (%) | Test Standard | Element | Value (%) | Test Standard |
| C | 0.5 | GB/T 15076.8-2008 | O | 0.013 | GB/T 15076.14-2008 |
| N | 0.002 | GB/T 15076.15-2008 | H | 0.0006 | GB/T 15076.13-2017 |
| Density （g/cm3) | Hall Flow Rate (s/50g) | |||
| Apparent Density | Tap Density | Test Standard | Value | Test Standard |
| 9.21 | 10.43 | GB/T 1479-1984 GB/T 5162-2006 |
6.0 | GB/T 1482-2010 |
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