Class · NACE Rev. 2.1
25.52 Heat treatment of metals
active
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)
What changed from NACE Rev. 2
Per the official Eurostat correspondence table (NACE Rev. 2 → NACE Rev. 2.1):
| NACE Rev. 2 origin | Heading (Rev. 2) | 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 |
Content moved from 25.61 includes:
- heat treatment of metals
Related codes
Reference data
| Code | 25.52 |
|---|---|
| Level | Class |
| Parent | 25.5 |
| Classification | NACE Rev. 2.1 |
| Legal basis | Commission Delegated Regulation (EU) 2023/137 |
| Source | Eurostat (ShowVoc dissemination platform) |
| Data checked | 2026-07-20 |