Piston Ring Coating with Silver Lead Indium

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Silver Lead Indium Coating on Piston Rings Ideal for Heavy Duty Applications

There are a variety of mission-critical applications where a piston ring coating with Silver Lead Indium is optimal, such applications may include:


  • Military Truck Engines
  • Semiconductor Engines
  • Aircraft/Aerospace Engines
  • Diesel Engines
  • Bearings
  • Ideal for Most Heavy Duty Applications

A piston ring coating with Silver Lead Indium is often used in applications when reducing friction and increasing start-up lubricity is critical. Other benefits include:


  • High Hardness
  • Does Not Work-Harden
  • Very Ductile
  • Corrosion-Resistant to Oil Acids & Acids in Lubricants
  • Improves Retention of Bearing Oil Film
  • Corrosion-Resistant to High Pressure Water up to 690F
  • High Thermal Expansion

Grover Corp offers several piston ring types that use a Silver Lead Indium coating, including:

Ring Types Available:

If you have a heavy duty application that requires a piston ring coating with Silver Lead Indium, turn to the piston ring manufacturers at Grover Corp. We’ve been providing standard and custom piston rings for a wide variety of industries and applications for nearly 100 years.

Contact Grover Corp today to determine if a Silver Lead Indium coating is right for your application, or get a quote online! We’ll respond shortly!