Spherical Cast Tungsten Carbide Powder
Ang Spherical Cast Tungsten Carbide (SCTC) Powder ay isang dark gray na pulbos na ginawa ng ultra-high temperature spheroidization o atomization. Ang SCTC ay isang dendritic na kristal na binubuo ng WC at W 2 Ang mala-balahibong microstructure ay ≥ 90%. Mayroon din itong mahusay na katatagan ng kemikal at isang mataas na punto ng pagkatunaw (2525 ℃). Ang mataas na tigas (≥2700 HV0.1), mabilis na flowability, at tumaas na pagkasira at resistensya ng kaagnasan ay napakapopular na gumawa ng mga hardfacing na overlay.
Ginagamit ang SCTC para maghanda ng PDC matrix bits powder, Plasma Arc Welding (PTAW) powder, Laser Cladding powder, spray welding materials, cemented carbide wear-resistant electrodes (wire), atbp. Ang pangunahing layunin ay paunang palakasin ang wear-resistant surface o ayusin ang mga sira na ibabaw para sa pagmimina, langis at gas, metalurhiya, makinarya sa konstruksyon, makinarya sa agrikultura, at industriya ng bakal.
Komposisyon ng Kemikal (Wt, %)
|
Grade |
Chemical Composi(on (Wt, %) |
|||||||||
|
W |
T. C |
F. C |
Ti |
Mo + Co + Ni |
Cr |
V |
Si |
O |
Fe |
|
|
ZTC12 |
95 – 96 |
3.8 – 4.1 |
≤ 0.08 |
≤ 0.01 |
≤ 0.2 |
≤ 0.01 |
≤ 0.01 |
≤ 0.02 |
≤ 0.05 |
≤ 0.3 |
Grado at Laki ng Particle
|
Grade |
Par(Cle Size (mesh)* |
Saklaw ng Sukat na Sukat (μm) |
|
ZTC1215 |
– 40 + 60 |
– 425 + 250 |
|
ZTC1219 |
– 60 + 80 |
– 250 + 180 |
|
ZTC1221 |
– 60 + 100 |
– 250 + 150 |
|
ZTC1268 |
– 70 + 200 |
– 212 + 75 |
|
ZTC1228 |
– 80 + 200 |
– 180 + 75 |
|
ZTC1250 |
– 80 + 230 |
– 180 + 63 |
|
ZTC1269 |
– 80 + 270 |
– 180 + 53 |
|
ZTC1230 |
– 100 + 200 |
– 150 + 75 |
|
ZTC1231 |
– 100 + 230 |
– 150 + 63 |
|
ZTC1275 |
– 100 + 270 |
– 150 + 53 |
|
ZTC1233 |
– 100 + 325 |
– 150 + 45 |
|
ZTC1290 |
– 120 + 270 |
– 125 + 53 |
|
ZTC1239 |
– 140 + 325 |
– 106 + 45 |
|
ZTC1243 |
– 200 + 325 |
– 75 + 45 |



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