High-Quality Piston Ring Materials and Advance Surface Treatments


Pri manufactures piston rings from hard-to-machine, high Nickel, and high Cobalt superalloys, other metallics, and polymers. Superalloys possess excellent high heat, cryogenic, corrosive, and high-pressure qualities, while polymers excel in low-temperature environments.  Material forms include castings, forgings, bars, wire, and sheet.  

Precision rings, incorporated (Pri) is an engineering and manufacturing provider of high-quality piston rings and seal rings. Pri’s custom piston rings and seal rings are designed to meet a range of industrial applications, including those for the aerospace, aircraft, power generation, green energy, military, and industrial markets, providing quality products, dependable service, and on-time delivery. Contact us or request a quote or design today!

Diverse Material Options for Manufacturing Piston Rings

Pri’s piston rings are manufactured from a range of materials, providing options to meet various industrial applications. Piston ring material options include:
  • 300 and 400 Series Stainless Steel
  • 17-4 PH®
  • 17-7 PH®
  • Inconel®
  • Stellite®
  • Waspaloy®
  • Vespel DuPont®
  • Aluminum Bronze
  • Aluminum Alloy
  • A286
  • Hastelloy®
  • Torlon®
  • Titanium®
  • And more

Inconel® Superalloys: Exceptional Performance in Extreme Environments

Inconel is a family of nickel-chromium-based superalloys known for their excellent oxidation and corrosion resistance. Inconel® is suitable for applications that exist in extreme heat and aggressive environments, such as space and high altitudes.

Stellite® Alloy: Unmatched Wear and Corrosive Resistance

Stellite is a cobalt-chromium alloy renowned for its exceptional wear and corrosion resistance. Stellite® is ideal for applications that require high-temperature environments, such as valve seats, where resistance to wear and friction are critical.

Hastelloy® Alloys: Superior Corrosion Resistance for Various Environments

Hastelloy refers to a group of nickel-molybdenum alloys that offer excellent resistance to various corrosive environments, including acids and seawater. It's commonly used in chemical processing, pollution control, and marine applications.

Waspaloy® Superalloy: High-Strength Solution for Aerospace Applications

Waspaloy is a high-strength, nickel-based superalloy that displays exceptional creep and fatigue resistance. It's often employed in aerospace applications, such as turbine disks and other high-stress components.

Advanced Surface Treatments for Enhancing Piston Ring Performance

Piston ring surface treatments are available in the following options:
  • Dry Films
  • Silver Plating
  • Chromium Plating
  • Phosphate Coatings

Global Supplier of Custom Piston Rings for Aerospace, Power Generation, and More

Pri designs and manufactures custom piston and seal rings for various applications. A global supplier of sealing solutions, custom rings from Precision Rings are used in several industries, including:

Pri’s Certifications and Quality Assurances

Precision Rings is committed to delivering quality custom piston and seal rings to industries throughout North America. Pri’s certifications and Quality assurances include:

Contact Pri for Custom Piston Ring Material Options and Surface Treatments Today

Not sure which material to use? Contact Pri or call 317-247-4786 to consult with the engineering department for more information on the piston ring material options or surface treatments. 

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