ISO 6972:2002规定了适用于输送散装材料的焊接结构曲柄连杆磨链及其相关附件和链轮的特性。ISO 6972:2002中规定的链条尺寸确保了完整链条和单个链环在维修时的互换性。 ISO 6972:2002适用于5到36齿之间的链轮。 还提供了八种附件的规格，用于符合ISO 6972:2002的传送链。

ISO 6972:2002 specifies the characteristics of cranked-link mill chains of welded construction suitable for conveying bulk materials, together with associated attachments and chain sprockets. The chain dimensions specified in ISO 6972:2002 ensure interchangeability of both complete chains and individual links for repair purposes. ISO 6972:2002 is applicable to sprockets with between 5 and 36 teeth. Specifications are also given for eight types of attachment for use with the conveyor chains conforming to ISO 6972:2002.