ISO 6594:2006规定了用于安装废水和污水排放管、雨水管道系统和通风管道系统的铸铁排水管和配件的特性。本技术规范适用于公称尺寸范围，DN:40-50-70-75-100-125-150-200-250-300-400-500-600。此外，ISO 6594:2006给出了最常用的管道和管件尺寸。它还提供控制测试和测试方法，以检查是否符合技术规范、尺寸和其他要求。

ISO 6594:2006 specifies the characteristics of cast iron drainage pipes and fittings used for the installation of discharge pipes for waste and sewage, rain water pipe systems, and ventilation pipe systems. The technical specification is applicable to the range of nominal sizes, DN: 40 - 50 - 70 - 75 - 100 - 125 - 150 - 200 - 250 - 300 - 400 - 500 - 600. In addition, ISO 6594:2006 gives the dimensions for the most commonly used pipe and fitting sizes. It also provides control testing and test methods for checking compliance with the technical specification and the dimensional and other requirements.