-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CqE0pn8KNaYq7qUueMCecMDMZJJAxsjYChOu3fLVX6Y/1jtZ3EOE1KOML+L1o/h1
 gRmq4p73thxC4x1arBdIGg==

<SEC-DOCUMENT>0001104659-08-054602.txt : 20080822
<SEC-HEADER>0001104659-08-054602.hdr.sgml : 20080822
<ACCEPTANCE-DATETIME>20080822142618
ACCESSION NUMBER:		0001104659-08-054602
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080818
ITEM INFORMATION:		Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers
FILED AS OF DATE:		20080822
DATE AS OF CHANGE:		20080822

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STEEL DYNAMICS INC
		CENTRAL INDEX KEY:			0001022671
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				351929476
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21719
		FILM NUMBER:		081034358

	BUSINESS ADDRESS:	
		STREET 1:		6714 POINTE INVERNESS WAY
		STREET 2:		SUITE 200
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46804
		BUSINESS PHONE:		2604593553

	MAIL ADDRESS:	
		STREET 1:		6714 POINTE INVERNESS WAY
		STREET 2:		SUITE 200
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46804
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a08-22212_18k.htm
<DESCRIPTION>CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
</DOCUMENT>
</SUBMISSION>