PKDClass

PKD 25.52—Heat treatment of metals

Class · Polska Klasyfikacja Działalności (2025)

Where 25.52 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

Contains 1 narrower code

What 25.52 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)

25.52 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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