<SEC-DOCUMENT>0001047469-20-003320-index.html : 20200603
<SEC-HEADER>0001047469-20-003320.hdr.sgml : 20200603
<ACCEPTANCE-DATETIME>20200603084809
ACCESSION NUMBER:		0001047469-20-003320
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20200603
DATE AS OF CHANGE:		20200603

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-235343
		FILM NUMBER:		20939024

	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>424B5
<SEQUENCE>1
<FILENAME>a2241739z424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: a2241739z424b5.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>g698280.jpg
<DESCRIPTION>G698280.JPG
<TEXT>
Document 3 - file: g698280.jpg

</DOCUMENT>
</SEC-DOCUMENT>