<SEC-DOCUMENT>0001104659-17-056953-index.html : 20170913
<SEC-HEADER>0001104659-17-056953.hdr.sgml : 20170913
<ACCEPTANCE-DATETIME>20170913154724
ACCESSION NUMBER:		0001104659-17-056953
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20170913
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20170913
DATE AS OF CHANGE:		20170913

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:		171083184

	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
</SEC-HEADER>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>a17-21927_18k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a17-21927_18k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.28
<SEQUENCE>2
<FILENAME>a17-21927_1ex4d28.htm
<DESCRIPTION>EX-4.28
<TEXT>
Document 2 - file: a17-21927_1ex4d28.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.29
<SEQUENCE>3
<FILENAME>a17-21927_1ex4d29.htm
<DESCRIPTION>EX-4.29
<TEXT>
Document 3 - file: a17-21927_1ex4d29.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.30
<SEQUENCE>4
<FILENAME>a17-21927_1ex4d30.htm
<DESCRIPTION>EX-4.30
<TEXT>
Document 4 - file: a17-21927_1ex4d30.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>5
<FILENAME>a17-21927_1ex99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 5 - file: a17-21927_1ex99d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>6
<FILENAME>a17-21927_1ex99d2.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 6 - file: a17-21927_1ex99d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g219271mmi001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g219271mmi001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g219271moi001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g219271moi001.jpg

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