<SUBMISSION>
<ACCESSION-NUMBER>0001125282-04-004109
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20040823
<ITEMS>5.02
<FILING-DATE>20040823
<DATE-OF-FILING-DATE-CHANGE>20040823
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>STEEL DYNAMICS INC
<CIK>0001022671
<ASSIGNED-SIC>3312
<IRS-NUMBER>351929476
<STATE-OF-INCORPORATION>IN
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-21719
<FILM-NUMBER>04990968
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>6714 POINTE INVERNESS WAY
<STREET2>SUITE 200
<CITY>FORT WAYNE
<STATE>IN
<ZIP>46804
<PHONE>2604593553
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>6714 POINTE INVERNESS WAY
<STREET2>SUITE 200
<CITY>FORT WAYNE
<STATE>IN
<ZIP>46804
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>b400581_8k.htm
<DESCRIPTION>CURRENT REPORT
<TEXT>
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Prepared and filed by St Ives Burrups
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 <p align="center"><b><font face="serif" size="4">SECURITIES AND EXCHANGE COMMISSION</font></b><br>
<b><font face="serif" size="4">WASHINGTON, DC  20549</font></b></p>
<p align="center"><font size="2" face="serif">________________</font></p>
<p align="center"><font size="2" face="serif"><b>FORM 8-K</b></font></p>
<p align="center"><font size="2" face="serif"><b>CURRENT REPORT</b></font></p>
<p align="center"><font size="2" face="serif"><b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</b></font></p>
<p align="center"><font size="2" face="serif">Date of Report (date of earliest event reported):  August 23, 2004</font></p>
<p align="center"><b><u><font face="serif" size="4">STEEL DYNAMICS, INC.</font></u></b></p>
<p align="center"><font size="2" face="serif">(Exact name of registrant as specified in its charter)</font></p>
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    <td>&nbsp;</td>
    <td align="center" valign="bottom"><font size="2" face="serif">Indiana</font></td>
    <td width="0" align="center" valign="bottom"><font size="2" face="serif">0-21719</font></td>
    <td align="center" valign="bottom"><font size="2" face="serif">35-1929476</font></td>
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    <td>&nbsp;</td>
    <td align="center" valign="bottom"><font size="2" face="serif">(State or other jurisdiction of</font></td>
    <td width="0" align="center" valign="bottom"><font size="2" face="serif">(Commission File Number)</font></td>
    <td align="center" valign="bottom"><font size="2" face="serif">(IRS Employer Identification No.)</font></td>
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    <td>&nbsp;</td>
    <td align="center" valign="bottom"><font size="2" face="serif">incorporation or organization)</font></td>
    <td width="0" align="center" valign="bottom">&nbsp;</td>
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<p align="center"><font size="2" face="serif"><u>6714 Pointe Inverness Way, Suite 200, Fort Wayne, Indiana 46804</u></font></p>
<p align="center"><font size="2" face="serif">(Address of principal executive officers) (Zip Code)</font></p>
<p align="center"><font size="2" face="serif">Registrant&#146;s telephone number, including area code:  260-459-3553</font></p>
<p align="center"><font size="2" face="serif">(Former name or former address, if changed since last report)<br>
Not Applicable</font></p>
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<p align="left"><font size="2" face="serif"><b>Item 5.02.  Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.</b></font></p>
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<p align="left"><font size="2" face="serif">(b)&nbsp; Tracy L. Shellabarger has resigned his position as Chief Financial Officer of the Company, having informed the Company that he wishes to effect a break in his full-time employment in order to pursue certain other business interests and to spend some additional time with his two young children.</font></p>
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<p align="left"><font size="2" face="serif">Mr. Shellabarger&#146;s decision was based upon personal considerations and is unrelated in any manner to any past, present or contemplated accounting or finance issue or to any disagreement over accounting treatment or policy.&nbsp; He has agreed to assist the Company in order to affect a smooth transition to a new chief financial officer, which the Company expects to announce in due course.&nbsp;</font></p>
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<p align="left"><font size="2" face="serif">Theresa E. Wagler, the Company&#146;s Assistant Secretary and Chief Accounting Officer, has been named as Acting Chief Financial Officer.</font></p>
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<p align="center"><font size="2" face="serif"><b>SIGNATURE</b></font></p>
<p align="left"><font size="2" face="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 align="left" valign="bottom"><font size="2" face="serif">&nbsp;</font></td>
<td colspan="2" align="left" valign="bottom"><font size="2" face="serif">&nbsp;</font><font size="2" face="serif">STEEL DYNAMICS,
    INC.</font></td>
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  <td align="left" valign="bottom">&nbsp;</td>
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  <td align="left" valign="bottom" width="50%"><font size="2" face="serif">/s/ Keith E. Busse</font></td>
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  <td align="left" valign="bottom">______________________</td>
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  <td align="left" valign="bottom"><font size="2" face="serif">Date: August 23, 2004</font></td>
  <td align="left" valign="bottom"><font size="2" face="serif">By:</font></td>
  <td align="left" valign="bottom"><font size="2" face="serif">Keith E. Busse</font></td>
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  <td align="left" valign="bottom"><font size="2" face="serif">Title: President</font></td>
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