# ISO 31-4:1992 — Withdrawn and superseded ISO standards For ISO 31-4:1992, item title is Quantities and units — Part 4: Heat; status code is 9599; successor is ISO 80000-5:2007; withdrawn / published date is 1992-08-27, recorded from its source on 2026-08-05. - **Identifier:** ISO 31-4:1992 _(verified: appears in the quote below)_ - **Item title:** Quantities and units — Part 4: Heat _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 80000-5:2007 - **Withdrawn / published date:** 1992-08-27 _(verified: appears in the quote below)_ ## What the source says > 3632,IS,,ISO 31-4:1992,Quantities and units — Part 4: Heat,Grandeurs et unités — Partie 4: Chaleur,1992-08-27,2,['01.060'],ISO/TC 12,9599,"[3631,3633]",[31890],"['en','fr']",15,"

Gives name, symbol and definition for 43 quantities and units of heat. Where appropriate, conversion factors are also given. Annex A includes units in the CGS system with special names, Annex B units based on the foot, pound and second and some other units, Annex C other units given for information, especially regarding the conversion factor.

" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).