Ductile iron piston ring (nodualr iron piston ring)

1.Material: ductile iron 65-45-12 /80-55-06 (GGG40/GGG50)

2. Size range of OD at 0.75"-12.5"   (20-320mm)

3.Joint:  Interlock, Step cut, Butt cut, Hook, Angel butt cut etc.

4.Coatings: manganese phosphate, chrome, nikel ...

5.. Application:

hydraulic cylinder piston ring/air compressor piston ring/shock absorber piston ring/turbocharger seals and piston rings/large bore disel engine piston ring