Precursor (Yiyang) Plasma Powders Co., Ltd. (PPPC)
Thermal Spray Materials

Tungsten Carbide Composite Powders
Powder PPPC
No.
Typical Composition
(wt.%)
Particle Size
(microns)
Melting Point
(ºC)
Hardness Function & Application
Co Clad WC
Dense covered
PR4311 Co:12.0, WC:88.0 -74~+44
-53~+38
-44~+15
-38~+10
1260 HV:
1000~1200
Tough and dense, high hardness, excellent frictional properties. Used as wear-resistant coatings at temperature up to 550ºC.
Co Clad WC
Dense covered
PR4312 Co:17.0, WC:83.0 -74~+44
-53~+38
-44~+15
-38~+10
1260 HV:
950~1150
Tough and dense, high hardness, excellent frictional properties. Used as wear-resistant coatings at temperature up to 550ºC.
WC-12Co
Agglomerated and sintered
PR4321 Co:12.0, WC:88.0 -74~+44
-53~+38
-44~+15
-38~+10
1260 HV:
1000~1200
Tough and dense, high hardness, excellent frictional properties. Used as wear-resistant coatings at temperature up to 550ºC.
WC-17Co
Agglomerated and sintered
PR4322 Co:17.0, WC:83.0 -74~+44
-53~+38
-44~+15
-38~+10
1260 HV:
950~1150
Tough and dense, high hardness, excellent frictional properties. Used as wear-resistant coatings at temperature up to 550ºC.
Ni Clad WC
Dense covered
PR4331 Ni:12.0, WC:88.0 -74~+44
-53~+38
-44~+15
-38~+10
1455(Ni) HV:
900~1100
High hardness, excellent frictional properties. Used as wear-resistant coatings at temperature up to 550ºC.
NiCrBSi/
30(12Co-WC)
Blended
PR3191 12Co-WC:30.0
NiCrBSi(HRC60):70.0
-125~+63
-104~+53
-74~+44
-53~+38
1025(NiCrBSi) HRC:50~60 Self-fluxing, hard and dense coating. Protection against fretting impact wear, resistant to wear by abrasive grains, hard surfaces, particle erosion and cavitation at the temperature up to 600ºC.
NiCrBSi/
35(12Co-WC)
Blended
PR3192 12Co-WC:35.0
NiCrBSi(HRC60):65.0
-125~+63
-104~+53
-74~+44
-53~+38
1025(NiCrBSi) HRC:50~60 Self-fluxing, hard and dense coating. Protection against fretting impact wear, resistant to wear by abrasive grains, hard surfaces, particle erosion and cavitation at the temperature up to 600ºC.
NiCrBSi/
50(12Co-WC)
Blended
PR3193 12Co-WC:50.0
NiCrBSi(HRC60):50.0
-125~+63
-104~+53
-74~+44
-53~+38
1025(NiCrBSi) HRC:55~65 Self-fluxing, hard and dense coating. Protection against fretting impact wear, resistant to wear by abrasive grains, hard surfaces, particle erosion and cavitation at the temperature up to 600ºC.
NiCrBSi/
25(Ni-WC)
Blended
PR3181 12Ni-WC:25.0
NiCrBSi(HRC60):75.0
-125~+63
-104~+53
-74~+44
-53~+38
1025(NiCrBSi) HRC:50~60 Self-fluxing, hard and dense coating. Protection against fretting impact wear, resistant to wear by abrasive grains, hard surfaces, particle erosion and cavitation at the temperature up to 600ºC.
NiCrBSi/
35(Ni-WC)
Blended
PR3182 12Ni-WC:35.0
NiCrBSi(HRC60):65.0
-125~+63
-104~+53
-74~+44
-53~+38
1025(NiCrBSi) HRC:50~60 Self-fluxing, hard and dense coating. Protection against fretting impact wear, resistant to wear by abrasive grains, hard surfaces, particle erosion and cavitation at the temperature up to 600ºC.

Thermal Spray Materials

Precursor (Yiyang) Plasma Powders Co., Ltd. (PPPC)
Add: 55 Ping'an Rd., Heshan, Yiyang, Hunan, 413002, P. R. China
Tel: (+86)737-4435648, (+86)737-4435846, Fax: (+86)737-4436203
E-mail: pretech@vip.sina.com www.thermalspraymaterials.com

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