33130 - Electrometallurgical products (Miscellaneous)
33131 - Electrometallurgical products
3313199 - - Ferromanganese + Briquets
33132 - Ferrochromium (+ Briquets) Ferrochromium silicon, Exothermic chromium additives & other Chromium alloys
33133 - Ferrosilicon (+ Briquets) & other Silicon alloys
33134 - Ferrosilicon (+ Briquets) & other Silicon alloys
3313408 - - Ferromanganese (incl Briquets) Manganese metal & Silicomanganese
3313415 - - Super alloys
3313485 - - Ferroalloys
3313489 - - Ferroalloys (General) + Silvery iron & Spiegeleisen
331348A - - Coke oven & Blast furnace products & Selected electrometallurgical products
331348B - - Super alloys
3313498 - - Products made in electric & other Furnaces (General) except blast furnaces
3313499 - - Other Ferroalloys (Electric furnaces - Miscellaneous)
3313XX0 - - Electrometallurgical products (Miscellaneous - Volume)
3313XX2 - - Electrometallurgical products (Miscellaneous - Speciality)