Type of Process	Features and Benefits	Typical Coatings	Typical Applications
HVOF	Extremely good for coating Tungsten and chrome carbide for wear and abrasion applications with thickness as thin as 0.25mm.	Cermets, carbides  (tungsten carbide, chromium carbide)	Sealing moving surfaces to prevent seals from leaking
	Low oxide metallic coatings.	Super alloys based on iron, nickel, and/or cobalt (Stellite, Triballoy, Inconel, Hastelloy, etc.)	Improvement of wear resistance and chemical protection of ball valves
	Optimized microhardness using carbides.	Hard Chrome Replacement	Protection of hydraulic piston rods against sea-water environment in the offshore industry
	Excellent machined surface finish.	MCrAlYs bond coatings   under TBCs (Thermal  Barrier Coatings)	Repairs and dimension corrections of worn drive shafts and bearing seatings
	Superior adhesion, bond strength.		Substrate for Thermal Barrier Coatings (TBCs)
	Fine micro structure		Cavitation protection in hydro electric power stations
	Very dense and low porous coatings		Protection of pump casings and impellers against chemical corrosion
	Finishes to an extremely smooth surface		Hydraulic and Pneumatic Piston Rods and Cylinders
	Optimal micro hardness		Mud Rotors
	Excellent corrosion properties
	Excellent for hard metal (carbide coatings)
	Low degree of oxidation
	Lower stresses build up or residual stresses at the work piece.
Arc Wire Spray	No combustion gas.	Various stainless-steel alloys	TSA for atmospheric and heat corrosion control.
	Easy to operate.	Nickel-based alloys	Rebuild and salvage operations.
	High production spray rates.	Copper and copper alloys	Boiler walls of incinerators against high-temperature erosion and chemical degradation
	Portability.	Aluminium	Repairs and dimension corrections of worn drive shafts and bearing seatings with nickel-based alloys
	Excellent coating bond strength and density	Zinc	Corrosion protection for locks, bridges, etc. with aluminium, zinc and alloys
	Fast deposition and thickness build up		Electrical shielding with tin, zinc, etc.
	Excellent coating strength and density compared to Wire flame spray.		Anti skid and traction coatings
	Transportable process, coating on location possible
	Moderate tensile strength
	Good compressive strength
Wire Flame Spray	Micro porous lamellar structure	Various stainless-steel alloys	Corrosive and high temperature application.
	Relatively high degree of oxidation in the coating	Nickel-based alloys	Chemical and semicon.
	Moderate tensile strength	Copper and copper alloys	Mechanical Seals faces
	Good compressive strength	Aluminium	Valve Stem
	Low elongation properties	Zinc	Ball Valve
	Economic thermal spraying process		Wire drawing capstan
	Transportable process, coating on location possible		Wire Pulleys
			Oil Seals
			Pump Sleeves & Shafts, Impellers & Casings Press Rolls
Rokide Flame Spray	Expensive rod materials.	Rokide “C” Chrome Oxide	Corrosive and high temperature application.
	Cheaper n easy to operate.	Rokide “A” Aluminium Oxide	Chemical and semicon.
	Good resistance to mechanical friction		Mechanical Seals faces
	Very good abrasion resistance		Valve Stem
	For hardness and inert to chemical.		Ball Valve
	High temp resistant.		Wire drawing capstan
	Non-conductive electrically		Wire Pulleys
			Oil Seals
			Pump Sleeves & Shafts, Impellers & Casings Press Rolls
Hard Chrome	Hard Coating	Hard Chromium	Hydraulic and  Pneumatic Piston Rods  and Cylinders
	Non Fretting Anti Galling		Plastic and Rubber Rolls,Moulds, Dies, Screws, etc
	Low Friction		Automotive &  Mechanical component
	Superfinishing to Mirror Finishes		Pump Shafts and Rotors
	Excellent Wear Resistance		Print Cylinders and Plates
	Thinwall Technology or Heavy Build-Up		Food Machinery
	Good Corrosion Resistance		Valves, Gates and Bodies
	“Cold” Process		Mining Equipment
	low coefficient of friction		Timber and Paper  Processing Equipment
	self-lubricating properties		Textile Components
	thin & dense plating