Tungsten Based Alloy Powder for Spraying Wc- 10co4cr Powder

• Application: Industrial
• Standard: GB
• Purity: 84%
• Alloy: Alloy
• Shape: Powder
• Type: Tungsten Crucibles
• Model NO.: Ni
• Product Name: Wc- 10co4cr
• Process: Sintering and Crushing
• Working Temperature: 500 ºC
• Bulk Density: 4G/Cm2
• Transport Package: Palletizing
• Specification: 20-50kg per bucket
• Trademark: XINPAI
• Origin: Qingdao China
• HS Code: 8101100090
• Production Capacity: 1000ton/Year

Product Description

Tungsten based alloy powder


Agglomerated and sintered or sintered and broken gray/black particles; agglomerated and sintered particles are spherical or nearly spherical, with good fluidity; sintered and broken into irregular shape particles; 
Maximum working temperature 500°C;
Hard and dense coating, resistant to abrasive wear, corrosion wear, erosion wear;
Alternative to hard chrome plating;
Mainly used in aircraft landing gear, gate valves and ball valves, paper rolls, hydraulic cylinders, compressor rods, metallurgical rolls, mechanical parts, etc.

Product grade and chemical composition

Grade	T.C(%)	Co(%)	Cr(%)	Fe(%)	O(%)
ZTC45	5.2-6.0	9.1-10.1	3.0-4.5	≤1.0	≤0.5
ZTC45D	5.2-6.0	9.1-10.1	3.0-4.5	≤0.15	≤0.5

Note: D means spherical or quasi-spherical spray powder
Common specifications, particle size and physical properties

Specification	type	granularity (μm)	Bulk Density (g/cm2)	Hall velocity (s/50g)	application
ZTC4551	WC-Co-Cr 86/10/4 Sintering + crushing	53-20	≥4	≤25	HVOF(JP5000,JP8000/DJ2600,DJ2700/Jet Kote/ Woka Jet/K2) HVAF APS
ZTC4553		45-20	≥4	≤25
ZTC4552		45-15	≥4	≤25
ZTC4551D	WC-Co-Cr 86/10/4 Sintering + crushing	53-20	≥4	≤18
ZTC4553D		45-20	≥4	≤18
ZTC4552D		45-15	≥4	≤18
ZTC4581D		45-11	≥4	≤18
ZTC4554D		38-10	≥4	≤18
ZTC4582D		30-10	≥4	≤18
Note: Products with different specifications and granularities can be provided according to customer requirements.

Coating process and performance

Recommended Spraying Parameters(HVOF)
powder	WC- 10Co4Cr
Preparation	Agglomeration and sintering
granularity(μm)	45-15
spray gun	JP5000
barrel (inch)	6
kerosene(L/h)	24
oxygen(L/min)	944
carrier gas (L/min)	7.5
Powder feeding rate (g/min)	70-80
Spray distance(mm)	350-380

 

Coating properties
hardness(HV0.3)	1150-1400
Bond strength(MPa)	>70Mpa
deposition efficiency(%)	40-55%
Porosity(%)	<1%