Browse Standards J1998_199210
Historical REVISED 1992-10-01

Internal Combustion Engines--Piston Rings--Rectangular Rings With Narrow Ring Width J1998_199210

This SAE Standard specifies the essential dimensional features of R, B, and M rectangular piston ring types with narrow ring width.

Dimensional tables 8 and 9 allow for the use of cast iron (table 8) or steel (table 9). Since the modulus of elasticity of steel rings is higher than that of cast iron rings, the fluctuation in the surface pressure will become greater if the free gap is set as the reference for force. Therefore, forces are set using the surface pressure as the reference, in order to minimize the effect of the fluctuation.

The requirements of this document apply to rectangular rings for reciprocating internal combustion engines up to and including 90 mm diameter for cast iron rings and up to and including 100 mm diameter for steel. They may also be used for piston rings of compressors working under similar conditions.

J1998_200806
2008-06-30
Latest
Canceled
J1998_199804
1998-04-17
Historical
Reaffirmed
J1998_199210
1992-10-01
Historical
Revised
J1998_199006
1990-06-01
Historical
Issued

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