Klassi · NACE Rev. 2.1 / TEÁOR'25
25.52 Trattament bis-sħana tal-metalli
Heat treatment of metals
In-noti ta' spjegazzjoni uffiċjali jintwerew bl-Ingliż.
Din il-klassi tinkludi
- 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)