# ISO 6934-4:1991/Cor 1:1992 — Withdrawn and superseded ISO standards For ISO 6934-4:1991/Cor 1:1992, item title is Steel for the prestressing of concrete — Part 4: Strand — Technical Corrigendum 1; status code is 9599; successor is ISO/WD 6934-4 | ISO 6934-4:2020; withdrawn / published date is 1992-05-14, recorded from its source on 2026-08-05. - **Identifier:** ISO 6934-4:1991/Cor 1:1992 _(verified: appears in the quote below)_ - **Item title:** Steel for the prestressing of concrete — Part 4: Strand — Technical Corrigendum 1 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/WD 6934-4 | ISO 6934-4:2020 - **Withdrawn / published date:** 1992-05-14 _(verified: appears in the quote below)_ ## What the source says > 20805,IS,Cor,ISO 6934-4:1991/Cor 1:1992,Steel for the prestressing of concrete — Part 4: Strand — Technical Corrigendum 1,Acier pour armatures de précontrainte — Partie 4: Torons — Rectificatif technique 1,1992-05-14,1,"['91.080.40','77.140.15']",ISO/TC 17/SC 16,9599,,"[60309,75086]","['en','fr']",1, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).