Nucor (NUE) 10-Q 2011 Q3 Quarterly report

Exhibit 32

Certification of Principal Executive Officer

Pursuant to 18 U.S.C. 1350

(Section 906 of the Sarbanes-Oxley Act of 2002)

I, Daniel R. DiMicco, Chairman and Chief Executive Officer (principal executive officer) of Nucor Corporation (the “Registrant”), certify, to the best of my knowledge, based upon a review of the Quarterly Report on Form 10-Q for the period ended October 1, 2011 of the Registrant (the “Report”), that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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

/s/ Daniel R. DiMicco
Name:	Daniel R. DiMicco
Date:	November 9, 2011