标准编号：ISO 6621-3:2021
中文名称：内燃机 活塞环 第3部分：材料规范
英文名称：Internal combustion engines — Piston rings — Part 3: Material specifications
发布日期：2021-06
标准范围
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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