EXHIBIT 32.2

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

                               November 12, 2004

     In connection with the Quarterly Report on Form 10-Q by Kaiser Aluminum
Corporation, a Delaware corporation (the "Company"), for the period ending
September 30, 2004 (the "Report"), as filed on the date hereof with the
Securities and Exchange Commission, the undersigned, Kerry A. Shiba, Chief
Financial Officer of the Company, does hereby certify, pursuant to 18 U.S.C.
1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that
to such officer's knowledge:

          (1) The Report fully complies with the requirements of Section 13(a)
     or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d));
     and

          (2) The information contained in the Report fairly presents, in all
     material respects, the financial condition and results of operations of the
     Company as of the dates and for the periods expressed in the Report.

     IN WITNESS WHEREOF, the undersigned has executed this certification as of
the date first above written.

                                                  /s/ KERRY A. SHIBA
                                          --------------------------------------
                                                      Kerry A. Shiba
                                                 Chief Financial Officer

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