| Harmonised Commodity Description and Coding System (HS) - level 2 - Chapter | 81 | Other base metals; cermets; articles thereof | 
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 810921 | Unwrought zirconium and zirconium powders, containing < 1 part hafnium to 500 parts zirconium by weight | 
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 810929 | Unwrought zirconium and zirconium powders, containing => 1 part hafnium to 500 parts zirconium by weight | 
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 810931 | Zirconium waste and scrap, containing < 1 part hafnium to 500 parts zirconium by weight (excl. ash and residues containing zirconium) | 
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 810939 | Zirconium waste and scrap, containing => 1 part hafnium to 500 parts zirconium by weight (excl. ash and residues containing zirconium) | 
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 810991 | Articles of zirconium, containing < 1 part hafnium to 500 parts zirconium by weight, n.e.s. | 
                
                  
                    | Harmonised Commodity Description and Coding System (HS) - level 4 - Article | 810999 | Articles of zirconium, containing => 1 part hafnium to 500 parts zirconium by weight, n.e.s. |