WC-20Cr3C2-7Ni Thermal Spray Powder
- Agglomerated and sintered gray-black spherical or near-spherical particles with good flowability.
- The maximum service temperature is up to 750℃. It can be used in humid environments.
- The dense coating has excellent resistance to oxidation, corrosion, and abrasion.
- Anti-oxidation and corrosion resistance are better than WC-Co – based coatings.
- Mainly used in the steel & iron industry, paper making, pump valves, etc.
Kvalitet og kemisk sammensætning
karakter |
Kemisk sammensætning (Wt, %) |
|||||
W |
T.C |
Ni |
Cr |
Fe |
O |
|
ZTC48D* |
Balance |
5.8 – 6.4 |
6 – 8 |
20 – 23 |
≤ 0,5 |
≤ 0,5 |
*: D stands for spherical or nearly spherical thermal spray powder.
Størrelse & fysiske egenskaber
karakter |
Type |
Størrelsesbrøk (μm) |
Tilsyneladende massefylde (g/cm³) |
Strømningshastighed (s/50g) |
Ansøgning |
ZTC4851D |
WC – Cr3C2 – Ni 73/20/7 Agglomerated & Sintret |
– 53 + 20 |
≥ 4 |
≤ 18 |
(JP5000 & JP8000, DJ2600 & DJ2700, JetKote, Woka Jet, K2)
|
ZTC4853D |
– 45 + 20 |
≥ 4 |
≤ 18 |
||
ZTC4852D |
– 45 + 15 |
≥ 4 |
≤ 18 |
||
ZTC4881D |
– 45 + 11 |
≥ 4 |
≤ 18 |
||
ZTC4854D |
– 38 + 10 |
≥ 4 |
≤ 18 |
||
ZTC4882D |
– 30 + 10 |
≥ 4 |
≤ 30 |
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Vi kan skræddersy forskellige partikelstørrelsesfordelinger og tilsyneladende tætheder til forskellige applikationer. |
Anbefalede sprøjteparametre (HVOF) |
|
Belægningsegenskaber |
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Materiale |
WC -20Cr3C2 – 7Ni |
|
Hårdhed (HV0.3) |
950 – 1200 |
Fremstilling |
Agglomereret og sintret |
|
Bindingsstyrke (MPa) |
> 70 MPa |
Størrelsesbrøk ( µm ) |
– 45 + 15 |
|
Deponeret effektivitet (%) |
35 – 45% |
Spray lommelygte |
JP5000 |
|
Porøsitet (%) |
< 1% |
Dyse (tommer) |
6 |
|
|
|
Petroleum (L/h) |
23 |
|
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Ilt (L/min) |
900 |
|
||
Bæregas (Ar) (L/min) |
8.0 |
|
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Pulvertilførselshastighed (g/min) |
70 – 80 |
|
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Sprøjteafstand (mm) |
340 – 360 |
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