Forging, pressing, stamping and roll-forming of metal; powder metallurgy

25.50
Forging, pressing, stamping and roll-forming of metal; powder metallurgy
This class includes:
- forging, pressing, stamping and roll-forming of metal
- powder metallurgy: production of metal objects directly from metal powders by heat treatment (sintering) or under pressure
This class excludes:
- production of metal powder, see 24.1, 24.4