标准摘要
[中文适用范围]： 本文件规定了用于往复式内燃活塞发动机的直径不超过 200 毫米、R、B、BA 和 M 型铸铁矩形环的基本尺寸特征。 本标准也适用于类似条件下工作的压缩机活塞环。 [外文原描述]： This document specifies the essential dimensional features of rectangular rings made of cast iron, Types R, B, BA and M, having diameters up to and including 200 mm, used in reciprocating internal combustion piston engines. It is also applicable to piston rings of compressors working under similar conditions.
英文名称Internal combustion engines — Piston rings — Part 1: Rectangular rings made of cast iron