| 27040010 | Coke and semi-coke of coal, of lignite or of peat, whether or not agglomerated; retort carbon: Retort carbon (gas carbon) |
| 27040020 | Coke and semi-coke of coal, of lignite or of peat, whether or not agglomerated; retort carbon: Coke and semi-coke of lignite or of peat |
| 27040030 | Coke and semi-coke of coal, of lignite or of peat, whether or not agglomerated; retort carbon: Hard coke of coal |
| 27040040 | Coke and semi-coke of coal, of lignite or of peat, whether or not agglomerated; retort carbon: Soft coke of coal |
| 27040090 | Coke and semi-coke of coal, of lignite or of peat, whether or not agglomerated; retort carbon: Other |