 A process is provided for producing a fine tungsten carbide powder, which comprises the steps of drying a slurry, which is obtained by mixing an aqueous ammonium tungstate solution with a carbon powder, at low temperature, to form a precursor, mixing a reduction and carburization product, which is obtained by reducing and oxidizing the precursor in an inert gas, with a carbon powder in a proportion required to substantially carburize the entire tungsten component into tungsten carbide(WC), and carburizing the mixture; and a high-performance fine tungsten carbide powder produced by the process, which has an average particle size of 0.8 μm or less and is free of a coarse powder having a particle size of more than 1 μm, and which also contains less metal impurities and contains oxygen and nitrogen in a predetermined amount.
Fine Tungsten Carbide Powder |
| Mark |
Particle Size(μm) |
Chemical Composition (%) |
| T.C |
F.C |
C.C |
Fe |
Mo |
Cr |
V |
| WC-F(C) |
0.45〜0.75 |
6.08〜6.25 |
≦0.10 |
≧6.05 |
≦0.050 |
≦0.020 |
≦1.00 |
- |
| WC-F(V) |
0.45〜0.75 |
6.08〜6.25 |
≦0.10 |
≧6.05 |
≦0.050 |
≦0.020 |
- |
≦1.00 |
| WC-F(CV) |
0.45〜0.75 |
6.08〜6.25 |
≦0.10 |
≧6.05 |
≦0.050 |
≦0.020 |
≦1.00 |
≦1.00 |
| WC-F(N) |
0.45〜0.75 |
6.05〜6.22 |
≦0.10 |
≧6.05 |
≦0.050 |
≦0.020 |
- |
- |
Packing: In sealde plastic bags with outer
iron drums of 100/200 kgs net each. we can meet your special
requirements.
If you have any interest in our products, please feel free to contact us by email: sales@chinatungsten.com or by telephone: +86 592 5129696.
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