8-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC  20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): December 27, 2005

STEEL DYNAMICS, INC.

(Exact name of registrant as specified in its charter)

Indiana	0-21719	35-1929476
(State or other jurisdiction	(Commission File Number)	(IRS Employer
of incorporation)		Identification No.)

6714 Pointe Inverness Way, Suite 200, Fort Wayne, Indiana 46804

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code:  260-459-3553

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01.  Regulation FD Disclosure.

On December 27, 2005, Steel Dynamics, Inc. issued a press release entitled “Steel Dynamics Sets Fourth Quarter Cash Dividend.”  The full text of the press release is furnished herewith and attached hereto as Exhibit 99.1.

Item 9.01.  Financial Statements and Exhibits

( c )Exhibits.

Exhibit Number	Description
99.1	A press release dated December 27, 2005 titled “Steel Dynamics Sets Fourth Quarter Cash Dividend”

SIGNATURE

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 hereto duly authorized.

			STEEL DYNAMICS, INC.
			/s/	Gary Heasley
Date: December 28, 2005		By:		Gary Heasley
	Title: Vice President & Chief Financial Officer

2

EX-99.1

Exhibit 99.1

Press Release December 27, 2005
	6714 Pointe Inverness Way, Suite 200
	Fort Wayne, IN 46804-7932
	260.459.3553 Phone
	260.969.3590 Fax
	www.steeldynamics.com

Steel Dynamics Sets Fourth Quarter Cash Dividend

FORT WAYNE, INDIANA, December 27, 2005 – Steel Dynamics, Inc. – (NASDAQ: STLD) today announced its Board of Directors approved a fourth quarter cash dividend of $0.10 per common share, payable on January 13, 2006, to shareholders of record at the close of business on December 30, 2005.

Founded in 1993, Steel Dynamics operates three steelmaking mini-mills which produce a wide range of steel products, including flat-rolled products, such as hot-rolled, cold-rolled and coated steels; wide-flange beams and H-piling; rail; and special-bar-quality round bars.  The company also produces joist and decking products for the non-residential construction markets in two fabrication facilities.

Contact:  Fred Warner, Investor Relations Manager, (260) 969-3564 or fax (260) 969-3590

  f.warner@steeldynamics.com