<SEC-DOCUMENT>0001292814-21-002167-index.html : 20210510
<SEC-HEADER>0001292814-21-002167.hdr.sgml : 20210510
<ACCEPTANCE-DATETIME>20210507204846
ACCESSION NUMBER:		0001292814-21-002167
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210331
FILED AS OF DATE:		20210510
DATE AS OF CHANGE:		20210507

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATIONAL STEEL CO
		CENTRAL INDEX KEY:			0001049659
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14732
		FILM NUMBER:		21904903

	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>siditr1q21_6k.htm
<DESCRIPTION>SIDITR1Q21_6K
<TEXT>
Document 1 - file: siditr1q21_6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>siditr1q216k_087.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: siditr1q216k_087.jpg

</DOCUMENT>
</SEC-DOCUMENT>