ISO 6621-3:2021

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

Publication date: 16 qer 2021

General information

Current stage: 90.20 Effective date: 15 pri 2026

Originator: ISO

Owner: ISO/TC 22/SC 34

Type: International Standard

ICS: 43.060.10

Gjuha: anglisht

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Statusi: Publikuar

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6621-3:2000

NOW

PUBLISHED
ISO 6621-3:2021
90.20 Standard under periodical review
15 pri 2026

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