第二版取消并取代第一版（即ISO 4348:1978）。指定主要用于瓶子输送机的平顶链条和相关链轮的特性。它包括尺寸、互换性限制、测量载荷和最小极限拉伸载荷。

This second edition cancels and replaces the first edition (i.e. ISO 4348:1978). Specifies characteristics of flat-top chains and associated chain wheels as used principally on conveyors for bottles. It covers dimensions, limits for interchangeability, measuring loads and minimum ultimate tensile loads.