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Steel Coated Face of Aluminum Clutch Disc


Premature wear on contact surface of cast aluminum clutch disc previously made from cast iron; traditionally fastened wear ring requires rivet assembly and fails in service.


Apply wear resistant steel coating to contact surface for long life, durability to withstand aggressive environment, provide reliable operation while taking advantage of the light weight aluminum.

Aluminum Clutch Disc With Steel Coated Face- Project Highlights


A successful re-design of heavy cast iron assembly with lightweight aluminum parts using a thermal sprayed coating to enhance critical wear surface. The coating has excellent bonding, heat transfer, and component integrity.

Value Statement:

Lighter weight component to save vehicle fuel costs, less costly manufacturing process of die casting, very reliable product with less subcomponents and assembly operations. Precision Coatings helped improve the overall product design and continues to provide reliable high volume production, quality, and on-time delivery.

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Steel Coated Face of Aluminum Clutch Disc Specifications

Product Description Aluminum Clutch Disc with a wear resistant steel coating on contact face.
Capabilities /Processes/Services
  • Design Engineering /Product Development
  • Arc Spray Coating
  • Machining after coating
  • High Volume Production
Coating Solution Benefits (Coating Properties)
  • Excellent Heat transfer
  • Abrasion Resistance
  • Wear Resistance
  • Ideal Friction Level
Overall Part Dimensions
  • O.D.: Ø 5”
  • Coating width: 1.00”
  • Coating thickness .015-.020”
Tolerances +/- .001” on part height within .002 TIR
Hardness Rb 90-100
Temperature Rating 1,200°F
Material Used
  • Carbon Steel
  • Die Cast Aluminum- part substrate
Max Material Finish N/A, As Sprayed
Coating Color Dark Gray
Estimated Part Weight 3 lbs
Industry for Use Diesel engines
Quantity 20,000 per year to 300,000 per year
Delivery Time Ongoing, as needed
Standards Met Customer Defined Specifications

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