WC -12Co Thermal Spray Coating Material
Product Description
Agglomerated sintered gray/black spherical or nearly spherical particles with good flowability;
The maximum working temperature is 500 ºC;
High hardness, dense coating, wear-resistant particle wear, micro motion wear, adhesive wear, erosion wear, and corrosion wear.
Non magnetic materials;
Mainly used in oilfield equipment, petrochemical industry, ball valves (in oxidizing environments), plate valves, offshore equipment and components, etc.
Product brand and chemical composition
| Grade |
T.C(%) |
Ni(%) |
Fe(%) |
O(%) |
| ZTC42 |
5.2-6.0 |
11.5-12.5 |
≤1.0 |
≤0.5 |
| ZTC42D |
5.2-6.0 |
11.5-12.5 |
≤0.15 |
≤0.5 |
Common specifications, granularity, and physical properties
| Specification |
type |
granularity (μm) |
Loose density(g/cm2) |
Hall flow rate(s/50g) |
|
| ZTC4251 |
WC-Co 88/12
|
53-20 |
≥4 |
≤25 |
|
| ZTC4253 |
|
45-20 |
≥4 |
≤25 |
| ZTC4252 |
|
45-15 |
≥4 |
≤25 |
| ZTC4251D |
WC-Co 88/12
|
53-20 |
≥4 |
≤18 |
| ZTC4253D |
|
45-20 |
≥4 |
≤18 |
| ZTC4252D |
|
45-15 |
≥4 |
≤18 |
| :,. |
Coating process and performance
Recommended Spray Parameters (HVOF)
Powder WC -10Ni
Preparation method: Agglomeration sintering
Particle size (μ m) 45-15
Spray gun JP5000
Gun barrel (inch) 4
Kerosene (L/h) 24
Oxygen (L/min) 900
Carrier gas (L/min) 8.5
Powder delivery rate (g/min) 80-100
Spray distance (mm) 340-380
Coating performance
Hardness (HV0.3) 1050-1250
Combined strength (MPa)>70Mpa
Sedimentation efficiency (%) 40-50%
Porosity (%)<1%

