PKDSubclass

PKD 25.52.Z—Heat treatment of metals

Subclass · Polska Klasyfikacja Działalności (2025)

Where 25.52.Z sits

  1. C Industrial Processing
  2. 25 Production of fabricated metal products, excluding machinery and equipment
  3. 25.5 Metalworking and metal coating; mechanical processing of metal components
  4. 25.52 Heat treatment of metals
  5. 25.52.Z Heat treatment of metals

What 25.52.Z includes

  • General activities related to the heat treatment of metals,
  • Thermomechanical heat treatment of metals (e.g., heating, annealing, hardening, tempering, cooling (quenching), deep freezing),
  • Thermochemical heat treatment of metals (e.g., carburizing, carbonitriding, nitrocarburizing, nitriding, oxidation, sulfurization, boriding).

25.52.Z in other systems

ANZSICAustralia · New Zealand
ATECOItaly
CNAESpain
ICNEAChina
ISICUnited Nations (global)
JSICJapan
KSICSouth Korea
NACEEuropean Union
NAFFrance
NOGASwitzerland
SICUnited States (legacy)
SNISweden
UK SICUnited Kingdom
WZGermany

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