Tungsten Carbide Base Alloy

Tungsten Carbide Base Alloy

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WC Series

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Description

The blended powders contain casting tungsten carbide(CTC)and nickel-based self fluxing gas alloy (gas atomized),which were widely used in resistance,pre-strengthening anti-erision surface or wear repairing.

PTA/FLAME SPRAY POWDER

The blended powders for PTA welding, which contain casting tungsten carbide (CTC) and nickel-based self-fluxing alloy (gas atomized). CTC particles are irregularly, and the hardness of the CTC particles is 2200 HV0.1. 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.

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.

 

Grade & Chemical Compositions

Grade

CTC(wt.%)

Ni45(NiCrBSiHRC45)(wt.%)

YG-CTC67

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, Ni50, Ni60,etc.

 

Specification, Particle & Physical Properties

Spec.

 Composition(wt.%)

Granularity (μm)

Apparent Density  (g/cm3)

Flow Rate (s/50g)

Welding layer Hardness  (HRC)

CTC

Ni45

YG-CTC6701

60

40

45-150

5.9-6.4

13-15

58-62

YG-CTC6702

50

50

45-150

5.6-6.1

13-15

58-62

YG-CTC6703

40

60

45-150

5.3-5.8

13-15

58-62

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