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INVENTORIES (Tables)
 12 Months Ended
Dec. 31, 2022
Inventories Abstract  
Schedule of inventory
     
      Consolidated
  12/31/2022   12/31/2021
Finished goods 4,421,166   4,457,842
Work in progress 3,501,145   2,710,149
Raw materials 3,297,213   3,638,952
Storeroom supplies  1,174,244   770,296
Advances to suppliers 37,619   121,519
Provision for losses    (96,493)     (98,730)
  12,334,894   11,600,028
       
Classified:      
Current 11,289,229   10,943,835
Non-current (1) 1,045,665   656,193
  12,334,894   11,600,028
(1)Long-term iron ore inventories that will be used after the construction of the processing plant, which will produce pellet feed.
Schedule of changes in expected losses on inventories
       
        Consolidated
    12/31/2022   12/31/2021
Opening balance     (98,730)   (109,038)
Reversal of inventories with low turnover and obsolescence     3,621   10,308
Consolidation in the acquisition of companies    (1,384)     
Closing balance     (96,493)     (98,730)