# ISO/R 683-6:1970 — Withdrawn and superseded ISO standards For ISO/R 683-6:1970, item title is Heat-treated steels, alloy steels and free-cutting steels — Part 6: Wrought quenched and tempered steels with 3 % chromium and 0,5 % molybdenum; status code is 9599; successor is ISO 683-1:1987; withdrawn / published date is 1970-04-01, recorded from its source on 2026-08-05. - **Identifier:** ISO/R 683-6:1970 _(verified: appears in the quote below)_ - **Item title:** Heat-treated steels, alloy steels and free-cutting steels — Part 6: Wrought quenched and tempered steels with 3 % chromium and 0,5 % molybdenum _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 683-1:1987 - **Withdrawn / published date:** 1970-04-01 _(verified: appears in the quote below)_ ## What the source says > 4859,R,,ISO/R 683-6:1970,"Heat-treated steels, alloy steels and free-cutting steels — Part 6: Wrought quenched and tempered steels with 3 % chromium and 0,5 % molybdenum","Aciers pour traitement thermique, aciers alliés et aciers pour décolletage — Partie 6: Aciers corroyés trempés et revenus avec 3 % de chrome et 0,5 % de molybdène",1970-04-01,1,"['77.140.10','77.140.20']",ISO/TC 17/SC 4,9599,,[4854],"['en','fr']",10, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).