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:::::Process of HVOF:::::
 
 
The unique JP-8000 uses the combustion of a safe, liquid hydrocarbon fuel and oxygen to produce a supersonic (Mach 2+) flame jet. Powder is then introduced, heated, and accelerated towards a substrate to produce a coating. Compared with all other HVOF processes, the JP-8000 coatings have been proven to be of the most dense and best adhered, which provides the end user with maximum coating performance.

Some Coatings Application with HVOF System。
 
Powder Code Hardness Powder Type Chemical Compositions are Nominal(Wt%) Properties Applications
Metals and Alloy
Stellite 6 38-43 HRC Co28Cr4W3Fe3Ni Excellent wear properties
Produces hard, dense coatings
High temperature wear and corrosion properties		 High temperature and high pressure valve sealing interface
Stellite 31 29-33 HRC Co26Cr11Ni8W2Fe0.5C Excellent oxidation
Replaces WC in high temperature applications
Smooth as sprayed coating		 Turbine impeller
Suited for repair of Co based parts
Inconel 625 26-30 HRC Ni21Cr9Mo4Nb2.5Fe Excellent high temperature oxidation and corrosion  properties
Good for repair and build-up of similar chemistry superalloy components
Useful up to 980°C		 Repair and restoration of Inconel 625 gas turbine components
Corrosion hazard environments
Inconel 718 35-40 HRC Ni19Cr19Fe5Nb3Mo Excellent high temperature oxidation and corrosion properties
Good for repair and build-up of similar chemistry superalloy components
Useful up to 980°C		 Repair and restoration of Inconel 718 gas turbine components
Corrosion hazard environments
Hastelloy
C-22		 Ni 21Cr13Mo4Fe3W Excellent high temperature oxidation and corrosion properties
Good for repair and build-up of similar chemistry superalloy components		 Pump and valve parts、Boiler tubes、Plate and tubular heat exchangers
Ni45A 45-50 HRC Ni11Cr4Si3Fe2.5B0.4C Hard machinable coating, as- sprayed or fused
Resists abrasion, erosion, fretting and cavitation		 Feed Screw
Ni55A 55-60 HRC Ni11Cr4Si3Fe2.5B0.5C Self-fluxing type alloy
Good corrosion and wear properties
May be blended with a carbide and applied via spray/fuse process
Serviceable up to 816°C		 Extrusion die, Plug
Carbides
1342VM 1200 HV WC 12Co Excellent low temperature wear properties
Dense, hard coating with marginal oxidation and corrosion resistance
Useful up to 480°C		 Compressore shaft
Pump sealing parts
1350VM 1200 HV WC 10Co 4Cr Improved oxidation and corrosion protection over WC-Co and WC-Ni
Excellent low temperature wear properties
Useful up to 480°C		 High pressure valve sealing interface, Ball valve
1375VM 1000 HV Cr3C2 25(80Ni 20Cr) Excellent for high temperature cavitation, abrasion and sliding wear
Good hot gas and corrosion resistance
Very dense and hard coating
Useful up to 870°C		 Valve sealing parts for hi-temp
 
 
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