CR3C2-25NiCr Thermal Spray Powder
- Agglomerated and Sintered gray-black spherical or near-spherical particles.
- The maximum service temperature is up to 870℃.
- The coating has excellent resistance to sliding wear, abrasive wear, erosive wear, corrosive wear, cavitation, and corrosion.
- Excellent resistance to solid, liquid, and gas corrosion in elevated temperatures.
- Mainly used in gas turbines, aircraft engines, valve rods, power generation boilers, metallurgical furnace rollers, hydraulic valves, etc.
Grade & Chemical Composition
|
Grade |
Chemical Composition (Wt, %) |
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|
T. C |
Ni |
Cr |
O |
Fe |
|
|
ZTC52D |
9.1 – 10.1 |
19 – 21 |
Balance |
≤ 0.5 |
< 0.15 |
*: D stands for spherical or near-spherical thermal spray powder.
Size & Physical Properties
|
Grade |
Type |
Size Fraction (μm) |
Apparent Density ( g/cm³) |
Flow Rate (s/50g) |
Application |
|
ZTC5251D |
Cr3C2 – NiCr 75/25 Agglomerated & Sintered |
– 53 + 20 |
≥ 2.0 |
— |
(JP5000 & JP8000, DJ2600 & DJ2700, JetKote, Woka Jet, K2)
|
|
ZTC5253D |
– 45 + 20 |
≥ 2.0 |
— |
||
|
ZTC5252D |
– 45 + 15 |
≥ 2.0 |
— |
||
|
ZTC5281D |
– 45 + 11 |
≥ 2.0 |
— |
||
|
ZTC5254D |
– 38 + 10 |
≥ 2.0 |
— |
||
|
ZTC5282D |
– 30 + 10 |
≥ 2.0 |
— |
||
| We can tailor-make different particle size distributions and apparent densities for various applications | |||||
| Recommended Spray Parameters (HVOF) |
|
Coating Properties |
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| Material |
Cr3C2 – 25NiCr |
|
Hardness (HV0.3) |
900 – 1200 |
| Manufacturing |
Agglomerated & Sintered |
|
Bonding Strength (MPa) |
> 50MPa |
| Size Fraction (µm) |
– 45 + 15 |
|
Deposited efficiency (%) |
30 – 45% |
| Spray Torch |
JP5000 |
|
Porosity (%) |
< 3% |
| Nozzle (inch) |
8 |
|
|
|
| Kerosene (L/h) |
25 |
|
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| Oxygen (L/min) |
900 |
|
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| Carrier gas (Ar) (L/min) |
7.5 |
|
||
| Powder feed rate (g/min) |
50 – 60 |
|
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| Spraying distance (mm) |
320 – 360 |
|
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