2550 Forging, pressing, stamping and roll-forming of metal; powder metallurgy

25.50.1 Forging, pressing, stamping and roll forming services of metal
25.50.11 Forging services of metal
This subcategory also includes:
- cold extrusion services
25.50.12 Stamping services of metal
This subcategory includes:
- stamping services of non-ferrous metals, from drawings
25.50.13 Other forming services of metal
25.50.2 Powder metallurgy
25.50.20 Powder metallurgy
This subcategory includes:
- production services of metal objects directly from metal powders by heat treatment (sintering) or under pressure
- production services of grinding or cutting parts made of hard metallic carbides