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ISO 6621-3:2021

Internal combustion engines — Piston rings — Part 3: Material specifications

General information
Valid from 16.06.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
16.06.2021
Main
31.08.2000
Main
This document classifies materials intended for the manufacture of piston rings, based on their mechanical properties and the stresses the materials are capable of withstanding. This document is applicable to piston rings for reciprocating internal combustion engines up to and including those of 200 mm in diameter. It is also applicable to piston rings of compressors working under similar conditions.
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