60.60 Standard published Jan 7, 2026
ISO
ISO/TC 138/SC 6 Reinforced plastics pipes and fittings for all applications
International Standard
23.040.20 Plastics pipes
This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each is equally valid and can be used for any diameter.
WITHDRAWN
ISO 7685:2019
PUBLISHED
ISO 7685:2026
60.60
Standard published
Jan 7, 2026