# ISO 18488:2015 — Withdrawn and superseded ISO standards For ISO 18488:2015, item title is Polyethylene (PE) materials for piping systems — Determination of Strain Hardening Modulus in relation to slow crack growth — Test method; status code is 9599; successor is ISO 18488:2025; withdrawn / published date is 2015-08-20, recorded from its source on 2026-08-05. - **Identifier:** ISO 18488:2015 _(verified: appears in the quote below)_ - **Item title:** Polyethylene (PE) materials for piping systems — Determination of Strain Hardening Modulus in relation to slow crack growth — Test method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 18488:2025 - **Withdrawn / published date:** 2015-08-20 _(verified: appears in the quote below)_ ## What the source says > 62592,IS,,ISO 18488:2015,Polyethylene (PE) materials for piping systems — Determination of Strain Hardening Modulus in relation to slow crack growth — Test method,Matériaux polyéthylène (PE) pour systèmes de canalisations — Détermination du module d'écrouissage en relation avec la propagation lente de fissures — Méthode d'essai,2015-08-20,1,"['23.040.45','23.040.20']",ISO/TC 138/SC 5,9599,,[88456],['en'],10,"

ISO 18488:2015 specifies a method for the determination of the strain hardening modulus which is used as a measure for the resistance to slow crack growth of polyethylene.

The strain hardening modulus is obtained from stress-strain curves on compression moulded samples. This Int ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).