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PTA /FLAME Spray powder Cast Tungsten Carbide/NiCrBSi Self-fluxing Alloy
Description
1. The blended powders for PTA welding, which contain cast tungsten carbide ( CTC ) and nickel-based self-fluxing alloy(gas atomized). CTC particles are irregularly, and the hardness of CTC particles is 2200 HV01. Nickel-based alloy powders show a spherical or near spherical shape, and nickel-based alloy powders has good wetability with CTC during the application manufacturing of PTA and spray & fused. The PTA welding surfacing layer has excellent wear resistance and low porosity.
2. The powders were widely used in wear resistance, pre-strengthening anti-erosion surface or wear repairing. Typical applications : mining extraction, oil drilling, machinery equipment, grain and oil equipment etc.

SEM surface morphology of cast WC/Ni based alloy PTA powder
Grade & Chemical Composition
Grade | CTC(wt.%) | Ni45(NiCrBSi HRC 45)(wt.%) | |||||||
ZTC67 | W(%) | T.C(%) | F.C(%) | Ni(%) | Cr(%) | B(%) | Si(%) | C(%) | Fe(%) |
| 95-96 | 3.8—4.1 | 0.08 | Bal | 11.0-15.0 | 2.0-3.0 | 3.0-4.5 | 0.2-0.6 | ^5.0 |
Note: Other nickel-based self-fluxing alloys are available on request» such as Ni25, Ni35, Ni50, Ni55, Ni60 etc.
Grad & Chemi
Specification & Physical Properties
SpecifiatioGrade &
Spec. | Composition (wt.%) | Granularity (Mm) | Apparent Density (g/cm3) | Flow Rate (s/50g) | Welding Layer Hardness (HRC) | |
| CTC | Ni45 |
|
|
|
|
ZTC674433 | 60 | 40 | 45-150 | 5.9-6.4 | 13-15 | 58-62 |
ZTC674533 | 50 | 50 | 45-150 | 5.6-6.1 | 13-15 | 56-62 |
ZTC674633 | 40 | 60 | 45-150 | 5.3-5.8 | 13-15 | 54-62 |
These is photo show


1.Usually in cartons for each part inside the carton,separate protection is made to avoid damage and prevent the surface being scratched.
2.We can also make independent package according to the request of client.
3.Ship arranged in 10~30 days.
4.Shipment :by Express/by Air/by Sea.

1.Advanced manufacturing equipment and quality inception instruments to assure the quality.
2.And all models can be customized.
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