NAF 25.52Y—Heat treatment of metals

Where 25.52Y sits

1. C Manufacturing industry
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. 25.52Y Heat treatment of metals

What 25.52Y includes

• The general operations of heat treatment of metals
• The treatment thermomechanical metals (for example, pre-heating, annealing, hardening, hardening, sealing, freezing metals)
• The thermochemical treatment of metals, (e.g. carburation, carbonitruration, ferritic nitro-carburizing, nitriding, oxidation, sulphiting, boruration)

25.52Y in other systems