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<B><FONT size=4 face="TimesNewRoman,Bold,Times New Roman,Times,serif">SECURITIES AND EXCHANGE COMMISSION<br>
</FONT><FONT size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">WASHINGTON, DC  20549</FONT></B></P>
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<P align="center"><B><FONT size=5 face="TimesNewRoman,Bold,Times New Roman,Times,serif">FORM 8-K</FONT></B></P>
<P align="center"><B><FONT size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">CURRENT REPORT</FONT></B></P>
<P align="center"><B><FONT size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</FONT></B></P>
<P align="center"><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Date of Report (date of earliest event reported): September 27, 2005</FONT></P>
<P align="center"><B><FONT size=5 face="TimesNewRoman,Bold,Times New Roman,Times,serif"><u>STEEL DYNAMICS, INC.</u></FONT></B><br>
<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">(Exact name of registrant as specified in its charter)</FONT></P>
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   <TD width="33%"><font size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="TimesNewRoman,Times New Roman,Times,serif"><b>Indiana</b></FONT></font></TD>
   <TD><b><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">0-21719</FONT></b></TD>
   <TD width=33%><b><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">35-1929476</FONT></b></TD>
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   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">(State or other jurisdiction</FONT></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">(Commission File Number)</FONT></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">(IRS Employer</FONT></TD>
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   <TD><font size="2">&nbsp;&nbsp;&nbsp;<FONT face="TimesNewRoman,Times New Roman,Times,serif">of incorporation)</FONT></font></TD>
   <TD><font size="2">&nbsp;</font></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Identification No.)</FONT></TD>
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<P align="center"><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif"><u>6714 Pointe Inverness Way, Suite 200, Fort Wayne, Indiana 46804</u></FONT><br>
<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">(Address of principal executive offices) (Zip Code)</FONT></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Registrant&#8217;s telephone number, including area code:  260-459-3553</FONT></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Not Applicable</FONT><br>
<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">(Former name or former address, if changed since last report)</FONT></P>
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<P><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">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:</FONT></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif"><img src="emptybox.gif" width="12" height="12"> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</FONT></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif"><img src="emptybox.gif" width="12" height="12"> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif"><img src="emptybox.gif" width="12" height="12"> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</FONT></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif"><img src="emptybox.gif" width="12" height="12"> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</FONT></P>

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<div style="page-break-before:always"></div><page><a name="p??"></a><p><a href="#contents"><font size="2">Back to Contents</font></a></P>


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<B><FONT size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">Item 7.01.  Regulation FD Disclosure.</FONT></B></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">On September 27, 2005, Steel Dynamics, Inc. issued a press release entitled &#8220;Steel Dynamics Sets Third Quarter Cash Dividend.&#8221;  The full text of the
press release is furnished herewith and attached hereto as Exhibit 99.1.</FONT></P>
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    <td width="9%"><b><font size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">Item 9.01.</font></b></td>
    <td colspan="4"><b><font size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">Financial Statements and Exhibits</font></b></td>
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    <td><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">(c)</font></td>
    <td><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">Exhibits.</font></td>
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    <td>&nbsp;</td>
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    <td><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">Exhibit Number</font></td>
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    <td><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">Description</font></td>
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    <td><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">99.1</font></td>
    <td>&nbsp;</td>
    <td><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">A press release dated September 27, 2005 titled &#8220;Steel Dynamics Sets Third Quarter Cash Dividend&#8221;</font></td>
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<P align="center"><B><FONT size=2 face="TimesNewRoman,Bold,Times New Roman,Times,serif">SIGNATURE</FONT></B></P>
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<FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">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.</FONT></P>
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   <TD><font size="2">&nbsp;</font></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">STEEL DYNAMICS, INC.</FONT></TD>
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   <TD width="5%"><font size="2">&nbsp;</font></TD>
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   <TD> </TD>
   <TD><font size="2">&nbsp;</font></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">/s/   Gary Heasley </FONT></TD>
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   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Date:  September
       29, 2005</FONT></TD>
   <TD><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">By:</font></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Gary Heasley</FONT></TD>
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   <TD><font size=2 face="TimesNewRoman,Times New Roman,Times,serif">Title:</font></TD>
   <TD><FONT size=2 face="TimesNewRoman,Times New Roman,Times,serif">Vice President &amp;
Chief Financial Officer</FONT></TD>
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Prepared and filed by St Ives Financial
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): September 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:
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Back to Contents
Item 7.01.  Regulation FD Disclosure.
On September 27, 2005, Steel Dynamics, Inc. issued a press release entitled "Steel Dynamics Sets Third 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 September 27, 2005 titled "Steel Dynamics Sets Third 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:  September
       29, 2005
By:
Gary Heasley
Title:
Vice President &
Chief Financial Officer