Class · NACE Rev. 2.1
25.52 — Heat treatment of metals
- Previous NACE Rev. 2 code
- 25.61
- Parent
- 25.5 — Treatment and coating of metals; machining
- Source
- Eurostat — NACE Rev. 2.1
- Last verified
- 2026-07-20
Includes
- general activities for the heat treatment of metals
- thermomechanical heat treatment of metals (e.g. preheating, annealing, hardening, tempering, quenching, deep freezing of metal)
- thermochemical heat treatment of metals (e.g. carburising, carbonitriding, nitrocarburising, nitriding, oxidising, sulphidising, boriding)
Rev. 2 mapping
Official correspondence: Eurostat NACE correspondence tables.
| Previous code | Previous label | Mapping | Type |
|---|---|---|---|
| 25.61 | Treatment and coating of metals | NACE Rev. 2 class 25.61 is mapped to NACE Rev. 2.1 classes 25.51, 25.52, 25.53 | 2:3 |