本文件规定了由未增塑聚氯乙烯（PVC-U）、定向未增塑聚氯乙烯（PVC-O）、氯化聚氯乙烯（PVC-C）和高抗冲聚氯乙烯（PVC-HI、PVC-M或PVC-a）制成的管道拉伸性能的测定方法，尤其是以下性能: -屈服应力和断裂应力；-断裂伸长率。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies a method for determining the tensile properties of pipes made of unplasticized poly(vinyl chloride) (PVC-U), oriented unplasticized poly(vinyl chloride) (PVC-O), chlorinated poly(vinyl chloride) (PVC-C) and high-impact poly(vinyl chloride) (PVC-HI, PVC-M or PVC-A), and in particular the following properties: — the stress at yield and stress at break;— the elongation at break.All current amendments available at time of purchase are included with the purchase of this document.