25.40Level 4
Forging and shaping metal and powder metallurgy
Explanatory note
This class includes general activities for the forming of metal.
This class includes:
- forging, pressing, stamping and roll-forming of metal
- production of metal objects directly from metal powders by heat treatment (sintering) or under pressure, i.e. powder metallurgy
This class also includes:
- subsequent trimming or descaling of the metal, without any further processing
This class excludes: