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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

       Date of Report (Date of earliest event reported) September 21, 2005

                             CHAPARRAL STEEL COMPANY
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             (Exact name of registrant as specified in its charter)

            Delaware                   000-51307               20-2373478
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  (State or other jurisdiction        (Commission           (I.R.S. Employer
       of incorporation)              File Number)         Identification No.)

           300 Ward Road, Midlothian, TX                         76065
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      (Address of principal executive offices)                 (Zip Code)

        Registrant's telephone number, including area code (972) 775-8241


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         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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SECTION 2--FINANCIAL STATEMENTS

Item 2.02 Results of Operations and Financial Condition.

       On September 21, 2005, the registrant issued a press release disclosing
       material non-public information regarding the registrant's results of
       operation and financial condition as of and for its fiscal quarter
       ended August 31, 2005. That press release is attached as Exhibit 99.1
       and is incorporated herein by reference.

SECTION 9--FINANCIAL STATEMENTS AND EXHIBITS

Item 9.01 Financial Statements and Exhibits

       (a)  Financial Statements of Businesses Acquired. n/a
       (b)  Pro Forma Financial Information. n/a
       (c)  Shell Company Transactions. n/a
       (d)  Exhibits.  Exhibit 99.1--Press Release issued September 21, 2005



                                    SIGNATURE

       Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


Date:  September 21, 2005                CHAPARRAL STEEL COMPANY

                                         By:  /s/Robert E. Crawford, Jr.
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                                              Vice President and General Counsel



                                  EXHIBIT INDEX
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Exhibit 99.1          Press Release Issued September 21, 2005