Exhibit 12.1

CHAPARRAL STEEL COMPANY

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(dollar amounts in thousands)



|                                                                  |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|----------------------------------------------------------------- |  | ------------------ | ------- | ---- | - | ------- |  | - | ------ | - |  | ---- | -------- | - |  | - | ------- | -
|                                                                  |  | Year Ended May 31, |        
|                                                                  |  | 2006               |         | 2005 |   | 2004    |  |   | 2003   |   |  | 2002 |         
|Earnings:                                                         |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|Income (loss) from continuing operations before income taxes      |  | $                  | 239,346 |      | $ | 120,210 |  | $ | (8,997 | ) |  | $    | (100,580 | ) |  | $ | (20,245 | )
|Fixed charges                                                     |  |                    | 32,530  |      |   | 47,871  |  |   | 50,211 |   |  |      | 51,867   |   |  |   | 51,396  |  
|                                                                  |  |                    |         |      |  
|Amortization of capitalized interest                              |  |                    | 1,703   |      |   | 1,703   |  |   | 1,703  |   |  |      | 1,703    |   |  |   | 1,703   |  
|                                                                  |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|Total earnings (loss)                                             |  | $                  | 273,579 |      | $ | 169,784 |  | $ | 42,917 |   |  | $    | (47,010  | ) |  | $ | 32,854  |  
|                                                                  |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|                                                                  |  |                    |         |      |  
|Fixed charges:                                                    |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|Interest expense                                                  |  | $                  | 30,805  |      | $ | 47,275  |  | $ | 49,597 |   |  | $    | 51,027   |   |  | $ | 50,581  |  
|Net amortization of debt discounts, premiums and issuance expense |  |                    | 1,210   |      |   |        |  |   |       |   |  |      |         |   |  |   |        |  
|Interest factor included in rents                                 |  |                    | 515     |      |   | 596     |  |   | 614    |   |  |      | 840      |   |  |   | 815     |  
|                                                                  |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|Fixed charges                                                     |  | $                  | 32,530  |      | $ | 47,871  |  | $ | 50,211 |   |  | $    | 51,867   |   |  | $ | 51,396  |  
|                                                                  |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |  
|                                                                  |  |                    |         |      |  
|Ratio of earnings to fixed charges                                |  |                    | 8.41x   |      |   | 3.55x   |  |   |       |   |  |      |         |   |  |   |        |  
|                                                                  |  |                    |         |      |  
|Deficiency of earnings to cover fixed charges                     |  | $                  |        |      | $ |        |  | $ | 7,294  |   |  | $    | 98,877   |   |  | $ | 18,542  |  
|                                                                  |  |                    |         |      |   |         |  |   |        |   |  |      |          |   |  |   |         |