grey iron piston ring (gray iron piston ring)
1.Material: grey iron class 30/40 (alloy grey iron)
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/marine engine piston ring/locomotive engine piston ring/heavy truck piston ring