Carbide Coatings

MBI Coatings | Carbide Coatings | Impact Fusion HVOF | High Velocity Oxygen Fuel

MBI Coatings utilizes the most advanced technologies available for applying carbide coatings. Depending on the application, there are many carbide alloys available to consider. Tungsten carbide, for example, is best applied using our advanced “Impact Fusion” HVOF (High Velocity Oxygen Fuel) which produces coatings that are tough with virtually zero porosity.


An HVOF carbide coated surface has a uniform matte-like finish that is extremely hard and durable. Thicker coatings can be applied and finished by diamond grinding and polishing to produce a mirror-like finish. Other methods such as flame-spray/fuse coatings, arc spray, and plasma spray are also used for specific application requirements such as rougher finishes for gripping, impact resistance, thicker build-up, plasma-release type coatings and more.

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Typical Properties

  • Temperatures: Flame temp reaches 2600° C, but parts being coated remain below 200° C
  • Hardness: Very high, ranging 75Rc
  • Bond Strength: Very high, Over 25,000 PSI
  • Thickness: From  .0005"  -  .050"+ build-up
  • Texture: Customizable; can be varied from appx. 100Ra (as-sprayed) or ground and lapped to a mirror-like finish
  • Porosity: Virtually none; ≤ 1%

Common Carbide Applications

  • Replacing Chrome Rollers
  • Chill Rolls
  • Pump Components
  • Idler Roller
  • Laminating Rollers
  • Blowers/Fan Blades
  • Tracks & Screw Conveyors
  • Dampener Fingers
  • Drilling Bores and Bits
  • Deflector Plates
  • Shredding Components
  • Grip Fingers
  • Knives, Rotary, Slitters
  • Peeler bars, Seal bars

Carbide Coatings Advantages

  • Offers superb abrasion and wear resistance compared to other coatings
  • Can be applied to steel, stainless, aluminium, titanium, and a variety of other substrates
  • Wide appliable-material range has ability to meet any specification
  • Minimal build-up needed for an effective coating
  • Can be used in conjunction with MBI’s Traclon Release Coating
  • Endless variations for specific property and application needs
  • Ground finish offers mirror-shine that mimics plated chrome

Typical Variations of Carbide Coatings

MBI Coatings Carbide Finish

HV-50 (Tungsten-Carbide)

This HVOF coating incorporates 5% chrome to add excellent corrosion resistance along with its great wear resistance.  This added 5% chrome also allows this coating to have mirror-like finish when ground and polished.

HV-60 (Ni-Cr-B)

This HVOF applied coating has elements of nickel, chrome and boron for extreme hardness and wear resistance.  This coating offers near zero porosity and can serve as an excellent corrosion barrier.

AR-18 (Boron-Carbide)

This coating is applied by our high velocity arc spray method that allows us to increase the thickness of build-up without the fear of delamination and spalling.  It is extremely hard; over 70 Rc, extremely effective on high abrasion wear applications.

HV-88 (Chrome-Carbide)

This coating is considered an excellent choice for applications that require resistance to wear and corrosion combined.  It is also considered as an excellent replacement for chrome plating.

HV-43 (Tungsten-Carbide)

This coating consists of tungsten carbide –cobalt alloy (87-13), it is applied by our HVOF process and considered to be extremely tough and effective on applications subjected to mechanical shock and impact.

MBI Coatings Carbide Coating PDF Download

MBI Carbide Coatings (pdf)

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Engineered Industrial Coatings

Surface Engineering & Coating Technology

Full Service Machine Shop

Serving Industries in the United States

MBI Coatings, Inc.

2088 Industrial Park Road, Lancaster, South Carolina 29720, United States

(803) 313-9292

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