Exhibit 99.7

                Certification Pursuant To 18 U.S.C. Section 1350,
                             As Adopted Pursuant To
                  Section 906 Of The Sarbanes-Oxley Act Of 2002


         I, Tom J. Landa, Chief Financial Officer of Gerdau Ameristeel
Corporation (the "Company") certify, pursuant to 18 U.S.C. section 1350, as
adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that to the
best of my knowledge:

         (1) The Annual Report of the Company on Form 40-F for the fiscal year
ended December 31, 2002 as filed with the Securities and Exchange Commission on
the date hereof (the "Report") fully complies with the requirements of section
13(a) or 15(d) of the Securities Exchange Act of 1934, as applicable; and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operation of the
Company.


Date:  May 20, 2003                                  /s/ Tom J. Landa
                                                     --------------------------
                                                     Tom J. Landa
                                                     Chief Financial Officer