<SEC-DOCUMENT>0001027286-15-000009-index.html : 20150731
<SEC-HEADER>0001027286-15-000009.hdr.sgml : 20150731
<ACCEPTANCE-DATETIME>20150731092028
ACCESSION NUMBER:		0001027286-15-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150729
FILED AS OF DATE:		20150731
DATE AS OF CHANGE:		20150731

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		7575 W JEFFERSON BLVD
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46804
		BUSINESS PHONE:		260 459 3553

	MAIL ADDRESS:	
		STREET 1:		7575 W JEFFERSON BLVD
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46804

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BATES JOHN C
		CENTRAL INDEX KEY:			0001027286

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21719
		FILM NUMBER:		151017970

	MAIL ADDRESS:	
		STREET 1:		640 LAVOY ROAD
		CITY:			ERIE
		STATE:			MI
		ZIP:			48133
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: edgar.html
Document 1 - RAW XML: edgar.xml
</DOCUMENT> </SEC-DOCUMENT>