SNIDetailed Group

SNI 25.520—Heat treatment of metals

Detailed Group · Svensk näringsgrensindelning (2025)

Where 25.520 sits

  1. C Manufacturing
  2. 25 Manufacture of fabricated metal products, except machinery and equipment
  3. 25.5 Treatment and coating of metals; machining
  4. 25.52 Heat treatment of metals
  5. 25.520 Heat treatment of metals

What 25.520 includes

  • General activities for heat treatment of metals
  • Thermomechanical heat treatment of metals, e.g. preheating, annealing, hardening, quenching, deep freezing of metal
  • Thermochemical heat treatment of metals, e.g. carburizing, nitrocarburizing, nitriding, oxidation, sulfidization, boridization
  • Thermomechanical heat treatment of metals, e.g. preheating, annealing, hardening, quenching, deep freezing of metal
  • Thermochemical heat treatment of metals, e.g. carburizing, nitrocarburizing, nitriding, oxidation, sulfidization, boridization

Example activities

  • hardening (heat treatment) of metal on request
  • heat treatment of customer materials (metal)
  • mechanical workshop, heat treatment of metal

25.520 in other systems

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

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