<SEC-DOCUMENT>0001292814-18-003771-index.html : 20181129
<SEC-HEADER>0001292814-18-003771.hdr.sgml : 20181129
<ACCEPTANCE-DATETIME>20181129150949
ACCESSION NUMBER:		0001292814-18-003771
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20180930
FILED AS OF DATE:		20181129
DATE AS OF CHANGE:		20181129

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:		181208268

	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>siditr3q18_6k.htm
<DESCRIPTION>QUARTERLY FINANCIAL INFORMATION - SEPTEMBER 30, 2018 - CIA SIDERURGICA NACIONAL
<TEXT>
Document 1 - file: siditr3q18_6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>f001.jpg
<TEXT>
Document 2 - file: f001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>f002.jpg
<TEXT>
Document 3 - file: f002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>f003.jpg
<TEXT>
Document 4 - file: f003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>f004a.jpg
<TEXT>
Document 5 - file: f004a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>f005.jpg
<TEXT>
Document 6 - file: f005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>f006.jpg
<TEXT>
Document 7 - file: f006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>f007.jpg
<TEXT>
Document 8 - file: f007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>f008.jpg
<TEXT>
Document 9 - file: f008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>f009.jpg
<TEXT>
Document 10 - file: f009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>f010.jpg
<TEXT>
Document 11 - file: f010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>f011.jpg
<TEXT>
Document 12 - file: f011.jpg

</DOCUMENT>
</SEC-DOCUMENT>