| SECTION C : MANUFACTURE |
| Division 24 : MANUFACTURE OF BASIC METALS |
| Group | Class | Sub-class | Description |
| 241 | | | Manufacture of basic iron and steel |
| | 2410 | | Manufacture of basic iron and steel |
| | | | This class excludes: |
| | | | - manufacture of tubes, pipes and hollow profiles and of tube or pipe fittings of cast-iron, see 2431 |
| | | | - manufacture of seamless tubes and pipes of steel by centrifugal casting, see 2431 |
| | | | - manufacture of tube or pipe fittings of cast-steel, see 2431 |
| | | 24101 | Manufacture of pig iron and spiegeleisen in pigs, blocks or other primary forms |
| | | 24102 | Manufacture of direct reduction of iron (sponge iron) and other spongy ferrous products |
| | | 24103 | Manufacture of steel in ingots or other primary forms, and other semifinished products of steel |
| | | 24104 | Manufacture of ferro-alloys |
| | | 24105 | Manufacture of hot-rolled and cold-rolled products of steel |
| | | 24106 | Manufacture of tube and tube fittings of basic iron and steel |
| | | 24107 | Manufacture of railway track materials (unassembled rails) of steel |
| | | 24108 | Manufacture of wire of steel by cold drawing or stretching |
| | | 24109 | Manufacture of other basic iron and steel n.e.c |
| 242 | | | Manufacture of basic precious and other non-ferrous metals |
| | 2420 | | Manufacture of basic precious and other non-ferrous metals |
| | | | This class excludes: |
| | | | - casting of non-ferrous metals, see 2432 |
| | | | - manufacture of precious metal jewellery, see 3211 |
| | | 24201 | Manufacture of Copper from ore, and other copper products and alloys |
| | | 24202 | Manufacture of Aluminium from alumina and by other methods and products of aluminium and alloys |
| | | 24203 | Manufacturing of lead, zinc and tin products and alloys |
| | | 24204 | Manufacturing of chrome, manganese and nickel products alloys |
| | | 24205 | Production and refining of precious metals (such as gold, silver platinum etc.) and alloys |
| | | 24209 | Manufacture of other non-ferrous metals n.e.c. |
| 243 | | | Casting of metals |
| | 2431 | | Casting of iron and steel |
| | | | This class includes activities of iron and steel foundries |
| | | 24311 | Manufacture of tubes, pipes and hollow profiles and of tube or pipe fittings of cast-iron/cast-steel |
| | | 24319 | Manufacture of other iron and steel casting and products thereof |
| | 2432 | | Casting of non-ferrous metals |
| | | | This class includes: |
| | | | - casting of semi-finished products of aluminium, magnesium, titanium, zinc etc. |
| | | | - casting of light metal castings |
| | | | - casting of heavy metal castings |
| | | | - casting of precious metal castings |
| | | | - die-casting of non-ferrous metal castings |
| | | 24320 | Casting of non-ferrous metals |