ISO 6621-3:2021

International Standard   Current Edition · Approved on 16 June 2021

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

ISO 6621-3:2021 Files

English 4 Pages
Current Edition
BHD 21.27

ISO 6621-3:2021 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.

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