SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A-16 OR 15D-16
OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2010

Commission File Number 333-101591

GERDAU AMERISTEEL CORPORATION

4221 W. Boy Scout Blvd., Suite 600
Tampa, Florida 33607

Indicate by check mark whether the registrant files or will file annual
reports under cover Form 20-F or Form 40-F:

Form 20-F Form 40-F þ

Indicate by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper
as permitted by Regulation S-T Rule 101(b)(7):

TABLE OF CONTENTS

EX-99.1

EX-99.2

EX-99.3

EXHIBIT LIST

Exhibit	Description
99.1	Annual Report for the fiscal year ended December 31, 2009
99.2	Form of Proxy
99.3	Notice of Annual and Special Meeting of Shareholders and Management Proxy Circular

SIGNATURES

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, thereunto duly authorized.

Date: March 29, 2010

GERDAU AMERISTEEL CORPORATION
By: Name:	/s/ Robert E. Lewis Robert E. Lewis
Title:	Vice-President, General Counsel and Corporate Secretary