<SEC-DOCUMENT>0001292814-25-003083-index.html : 20250815
<SEC-HEADER>0001292814-25-003083.hdr.sgml : 20250815
<ACCEPTANCE-DATETIME>20250814195111
ACCESSION NUMBER:		0001292814-25-003083
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20250630
FILED AS OF DATE:		20250815
DATE AS OF CHANGE:		20250814

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATIONAL STEEL CO
		CENTRAL INDEX KEY:			0001049659
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			D5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14732
		FILM NUMBER:		251221966

	BUSINESS ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		BRIGADEIRO FARIA LIMA AVENUE, 3400
		STREET 2:		ITAIM BIBI - 19/20 FLOOR
		CITY:			SAO PAULO
		NON US STATE TERRITORY:  	SAO PAULO
		PROVINCE COUNTRY:   	D5
		ZIP:			04538-132
		BUSINESS PHONE:		55 11 3049-7585

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		BRIGADEIRO FARIA LIMA AVENUE, 3400
		STREET 2:		ITAIM BIBI - 19/20 FLOOR
		CITY:			SAO PAULO
		NON US STATE TERRITORY:  	SAO PAULO
		PROVINCE COUNTRY:   	D5
		ZIP:			04538-132
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>siditr2q25_6k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: siditr2q25_6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>siditr2q256k_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: siditr2q256k_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>siditr2q256k_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: siditr2q256k_002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>siditr2q256k_003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: siditr2q256k_003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>siditr2q256k_005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: siditr2q256k_005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>siditr2q256k_004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: siditr2q256k_004.jpg

</DOCUMENT>
</SEC-DOCUMENT>