Exhibit 32.1

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Titanium Metals Corporation (the “Company”) on Form 10-K for the period ending December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”),I, Bobby D. O’Brien, President and Chief Executive Officer of the Company, and I, James W. Brown, Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

1. 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 result of operations of the Company.

February 29, 2012

/s/ BOBBY D. O’BRIEN        

Bobby D. O’Brien

President and Chief Executive Officer

/s/ JAMES W. BROWN        

James W. Brown

Vice President and Chief Financial Officer

Note: The certification the registrant furnishes in this exhibit is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. Registration Statements or other documents filed with the Securities and Exchange Commission shall not incorporate this exhibit by reference, except as otherwise expressly stated in such filing.