Exhibit 32.1


                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
                    AS ADOPTED PURSUANT TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002

         In connection with the annual report on Form 10-K of Metal Management,
Inc. (the "Corporation") for the period ended March 31, 2005 (the "Report"), I,
Daniel W. Dienst, the Chairman of the Board, Chief Executive Officer and
President of the Corporation, and I, Robert C. Larry, Executive Vice President,
Finance and Chief Financial Officer of the Corporation, each certify, pursuant
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

         (1) to my knowledge, the Report fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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



  /s/ Daniel W. Dienst
-------------------------------
Daniel W. Dienst
Chairman of the Board, Chief
Executive Officer and President
May 26, 2005



  /s/ Robert C. Larry
-------------------------------------
Robert C. Larry
Executive Vice President, Finance and
Chief Financial Officer
May 26, 2005



         A signed original of this written statement required by Section 906 has
been provided to the Corporation and will be retained by the Corporation and
furnished to the Securities and Exchange Commission or its staff upon request.