<SEC-DOCUMENT>0001104659-25-113474-index.html : 20251118
<SEC-HEADER>0001104659-25-113474.hdr.sgml : 20251118
<ACCEPTANCE-DATETIME>20251118083333
ACCESSION NUMBER:		0001104659-25-113474
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20251118
DATE AS OF CHANGE:		20251118

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]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				351929476
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-268703
		FILM NUMBER:		251492911

	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>tm2531427-1_424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: tm2531427-1_424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_steeldynamics-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_steeldynamics-4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>