<ARTICLE>                          5
<LEGEND>                            
THIS SCHEDULE CONTAINS SUMMARY CONSOLIDATED FINANCIAL INFORMATION EXTRACTED FROM
THE CONSOLIDATED FINANCIAL STATEMENTS OF UCAR INTERNATIONAL INC. INCLUDED IN ITS
REPORT ON FORM 10-Q FOR THE QUARTER  ENDED JUNE 30, 1998 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>                           
<CIK>                              0000931148
<NAME>                             UCAR INTERNATIONAL INC.
<MULTIPLIER>                       1,000,000
                                        
                                                  
<PERIOD-TYPE>                          6-MOS              
<FISCAL-YEAR-END>                      DEC-31-1998         
<PERIOD-START>                         JAN-01-1998         
<PERIOD-END>                           JUN-30-1998         
<CASH>                                          70                 
<SECURITIES>                                    35                   
<RECEIVABLES>                                  198                 
<ALLOWANCES>                                     6                  
<INVENTORY>                                    250                 
<CURRENT-ASSETS>                               623                 
<PP&E>                                       1,286                
<DEPRECIATION>                                 727                 
<TOTAL-ASSETS>                               1,273                
<CURRENT-LIABILITIES>                          424      
<BONDS>                                        675      
<PREFERRED-MANDATORY>                            0      
<PREFERRED>                                      0      
<COMMON>                                         0      
<OTHER-SE>                                    (196)     
<TOTAL-LIABILITY-AND-EQUITY>                 1,273      
<SALES>                                        492      
<TOTAL-REVENUES>                               492      
<CGS>                                          303      
<TOTAL-COSTS>                                  303      
<OTHER-EXPENSES>                                 4      
<LOSS-PROVISION>                                 0      
<INTEREST-EXPENSE>                              35      
<INCOME-PRETAX>                                 94      
<INCOME-TAX>                                    27      
<INCOME-CONTINUING>                             66      
<DISCONTINUED>                                   0      
<EXTRAORDINARY>                                  0      
<CHANGES>                                        0      
<NET-INCOME>                                    66      
<EPS-PRIMARY>                                 1.47     
<EPS-DILUTED>                                 1.41