Ductile Iron Piston Rings & Seals (Nodular Iron)

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Ductile Iron Piston Rings & Seals for Heavy Pounding, High Stress Applications

Ductile Iron piston rings and seals (also referred to as Nodular Iron) can withstand a lot of bending and is very resistant to breaking. The iron’s microstructure contains rounded (or nodular) shaped grains. These grains help increase the material’s strength & enables it to bend without breaking. Ductile Iron piston rings and seals are roughly twice as strong as Gray Cast Iron piston rings & seals.

Applications:

Ductile Iron piston rings and seals are best suited for applications where the ring will experience impact or rapid change in direction.

  • Heavy Duty Truck (Gas & Diesel)
  • Performance Engines (Turbocharged & High Output)

Benefits:

  • Can Withstand Heavy Pounding
  • High Bending Strength
  • Very Resistant to Breaking
  • Able to Withstand High RPMs
  • Able to Withstand High Stress
  • Roughly 2x Stronger than Gray Cast Iron

This material does not have the microstructure matrix of Grover’s piston ring iron GC-211 and will induce higher wear on the bore. Grover’s engineering department will provide special installation instructions.

Ductile Iron Grades that Meet ASTM A 536:

  • 60-40-18
  • 65-45-12
  • 80-55-06
  • 100-70-03
  • 120-90-02

Ductile Iron Piston Rings & Seals Available:

  • Permaseal
  • ONEP
  • Inseal
  • Step Seal
  • Step Lock
  • Lok Seal
  • Side Pin
  • Oil Control
  • Angle Step Cut
  • Hook Cut
  • Angle Cut
  • Step Cut
Request a quote for Ductile Iron Piston Rings or Ask an Engineer if Ductile Piston Rings are right for your application.
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