<SEC-DOCUMENT>0001292814-25-002849-index.html : 20250801
<SEC-HEADER>0001292814-25-002849.hdr.sgml : 20250801
<ACCEPTANCE-DATETIME>20250801060305
ACCESSION NUMBER:		0001292814-25-002849
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		31
CONFORMED PERIOD OF REPORT:	20250630
FILED AS OF DATE:		20250801
DATE AS OF CHANGE:		20250801

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
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14732
		FILM NUMBER:		251173528

	BUSINESS ADDRESS:	
		STREET 1:		RUA LAURO MULLER
		STREET 2:		116 36 ANDAR
		CITY:			RIO DE JANEIRO RJ BR
		STATE:			D5
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>sidpr2q25_6k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: sidpr2q25_6k.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>image_021.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: image_021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>image_022.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: image_022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>image_024.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: image_024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>image_027.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: image_027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>image_028.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: image_028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>image_029.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: image_029.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>image_030.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: image_030.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>image_031.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: image_031.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>image_032.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: image_032.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>image_033.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: image_033.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>image_034.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: image_034.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>image_035.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: image_035.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>image_036.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: image_036.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>image_037.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: image_037.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>image_038.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: image_038.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>image_039.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: image_039.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>image_040.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: image_040.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>image_041.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: image_041.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>image_042.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: image_042.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>image_043.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: image_043.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>image_044.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: image_044.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>image_045.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: image_045.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>image_046.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: image_046.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>image_047.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: image_047.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>image_048.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: image_048.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>image_049.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: image_049.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>image_050.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: image_050.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>image_051.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: image_051.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>image_052.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: image_052.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>image_001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: image_001.jpg
</DOCUMENT> </SEC-DOCUMENT>