Tangaston Carbide / Nickel Chrome Coating

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  1. Tangaston Carbide Coating.
  2. Nickel Chrome Carbide Coating.

Carbide Coating :

Precision Coatings, Inc. offers several CARBIDE coatings applied by Plasma Spray.

Carbide coatings are typically used for wear resistance to abrasion, erosion, galling, and fretting. Most "carbide" coatings are applied by spray gun to achieve the densest and most well-bonded coatings available by thermal spray. Plasma sprayed carbide coatings may be selected to achieve a higher texture "as sprayed". Some applications warrant flame spray applied coatings and a secondary fusing operation to provide a metallurgic ally bonded coating. There are several different chemistry of “carbide” coatings including:



Types of Carbide Coatings

  • Tungsten Carbide/Cobalt
  • Tungsten Carbide/Nickel-Chrome
  • Chrome Carbide/Nickel-Chrome
  • Tungsten Carbide/Cobalt/Chromium

Carbide coatings are typically the most wear resistant coatings for abrasive wear.

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Carbide Coating
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Lawnmower Blade with edges coated


Carbide Coatings Resist:

  • Fretting
  • Sliding wear
  • Erosion
  • Abrasion
  • Galling
  • Some Impact
Type Hardness Properties Examples of Uses
Tungsten
Carbide/Cobalt
Rc 60-65 Wear resistance to
Abrasion, fretting, galling
Conveyor screws, ball/gate
valves, Impellers, particle
classifiers
Tungsten
Carbide/Nickel-
Chrome
Rc 53-58 Resist wear by abrasive
grains, hard surfaces,
particle erosion/abrasion
and fretting
Exhaust fans
sucker rod couplings,
cylinder liners, cam
followers
Chrome
Carbide/Nickel-
Chrome
Rc 60-67 Abrasive and fretting wear
resistance at high
temperatures
Turbine components,
forging tools,
hot forming dies
Tungsten
Carbide/Cobalt/
Chromium
Rc 60-70 Wear and Corrosion
resistance: Abrasion,
erosion, & fretting
Pump components,
hydraulic cylinders.
Excellent material to replace
hard chrome plating

Benefits of Carbide Coatings

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Aluminum Wheel with Textured Carbide Coating

  • High hardness, durability and toughness
  • Abrasion and Erosion resistance
  • Some Corrosion resistance
  • Fretting Resistance
  • Anti-galling properties
  • Long Lasting Traction Surface

Typical Parts Coated with Carbide

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Carbide Coated Pump Piston

  • Rods
  • Plungers
  • Shafts
  • Seal Areas
  • Blades
  • Impellers
  • Rollers
  • Guides
  • Plates
  • Discs
  • Wheels