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PISTON RING MATERIAL

thread108-40930

PISTON RING MATERIAL

PISTON RING MATERIAL

(OP)
does anyone know of any other materials used as piston rings except cast iron or chrome moly?
thanks

RE: PISTON RING MATERIAL

Tool steel has also been used. I also saw stainless mentioned once, but I'm not sure what application though.I would have to think that stainless would need to be run in a cylinder with some sort of a coating.

 The most common materials are are either gray cast iron, or nodular iron with metallized molybdenum on the face. That is the "chrome moly" that you were refering to. Also, chromium faced nodular iron is used in some applications.

'85 Mercury Capri
Mild 351 Cleveland powered
6.78 @98 mph 1/8 mile. 1.45 60 ft.

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