这些推荐规程为流体动力应用中的金属管和管组件的设计和制造提供了一般性建议，使用了常用的制造方法以及管选择和应用的一般指南。这些文件主要用于移动/固定工业设备和汽车应用。本文件编制期间未考虑飞机和航空航天应用。

These recommended practices provide general recommendations for designing and fabricating metallic tubes and tube assemblies for fluid power applications utilizing commonly available manufacturing methods and general guidelines for tube selection and application. These documents are primarily intended for mobile/stationary industrial equipment and automotive applications. Aircraft and Aerospace applications were not considered during the preparation of this document.