| 331110 |
Rails rerolled or renewed in iron and steel mills |
| 331110 |
Rails, iron or steel, made in iron and steel mills |
| 331110 |
Rods, iron or steel, made in iron and steel mills |
| 331110 |
Rounds, tube, steel, made in iron and steel mills |
| 331110 |
Sheet pilings, plain, iron or steel, made in iron and steel mills |
| 331110 |
Sheets, steel, made in iron and steel mills |
| 331110 |
Shell slugs, steel, made in iron and steel mills |
| 331110 |
Silicomanganese ferroalloys manufacturing |
| 331110 |
Skelp, iron or steel, made in iron and steel mills |
| 331110 |
Slab, steel, made in iron and steel mills |