<SEC-DOCUMENT>0001047469-16-011644-index.html : 20160328
<SEC-HEADER>0001047469-16-011644.hdr.sgml : 20160328
<ACCEPTANCE-DATETIME>20160328141142
ACCESSION NUMBER:		0001047469-16-011644
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20160519
FILED AS OF DATE:		20160328
DATE AS OF CHANGE:		20160328
EFFECTIVENESS DATE:		20160328

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21719
		FILM NUMBER:		161531856

	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>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2228014zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2228014zdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g226169.jpg
<DESCRIPTION>G226169.JPG
<TEXT>
Document 2 - file: g226169.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g783595.jpg
<DESCRIPTION>G783595.JPG
<TEXT>
Document 3 - file: g783595.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g723496.jpg
<DESCRIPTION>G723496.JPG
<TEXT>
Document 4 - file: g723496.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g713866.jpg
<DESCRIPTION>G713866.JPG
<TEXT>
Document 5 - file: g713866.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g22873bei001.gif
<DESCRIPTION>G22873BEI001.GIF
<TEXT>
Document 6 - file: g22873bei001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g22873bei002.gif
<DESCRIPTION>G22873BEI002.GIF
<TEXT>
Document 7 - file: g22873bei002.gif

</DOCUMENT>
</SEC-DOCUMENT>