# ISO 10471:2018 — Withdrawn and superseded ISO standards For ISO 10471:2018, item title is Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions; status code is 9599; successor is ISO 10471:2025; withdrawn / published date is 2018-05-17, recorded from its source on 2026-08-05. - **Identifier:** ISO 10471:2018 _(verified: appears in the quote below)_ - **Item title:** Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 10471:2025 - **Withdrawn / published date:** 2018-05-17 _(verified: appears in the quote below)_ ## What the source says > 70029,IS,,ISO 10471:2018,Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the long-term ultimate bending strain and the long-term ultimate relative ring deflection under wet conditions,Tubes en plastiques thermodurcissables renforcés de verre (PRV) — Détermination de l'effort à la flexion ultime à long terme et réflexion annulaire relative ultime à long terme dans des conditions mouillées,2018-05-17,2,['23.040.20'],ISO/TC 138/SC 6,9599,"[56652,32234]",[88073],['en'],10,"
This document specifies a method for determining by extrapolation the long-term ultimate ring bending strain and the calculation of the long-term ultimate relative ring deflection of glass-reinforced ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).