<SEC-DOCUMENT>0001292814-19-001150-index.html : 20190405
<SEC-HEADER>0001292814-19-001150.hdr.sgml : 20190405
<ACCEPTANCE-DATETIME>20190404214951
ACCESSION NUMBER:		0001292814-19-001150
CONFORMED SUBMISSION TYPE:	20-F
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190405
DATE AS OF CHANGE:		20190404

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:		20-F
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14732
		FILM NUMBER:		19733369

	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>20-F
<SEQUENCE>1
<FILENAME>sidform20f_2018.htm
<DESCRIPTION>FORM 20-F
<TEXT>
Document 1 - file: sidform20f_2018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-8.1
<SEQUENCE>2
<FILENAME>exhibit8_1.htm
<DESCRIPTION>EXHIBIT 8.1
<TEXT>
Document 2 - file: exhibit8_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>3
<FILENAME>exhibit12_1.htm
<DESCRIPTION>EXHIBIT 12.1
<TEXT>
Document 3 - file: exhibit12_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.2
<SEQUENCE>4
<FILENAME>exhibit12_2.htm
<DESCRIPTION>EXHIBIT 12.2
<TEXT>
Document 4 - file: exhibit12_2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.1
<SEQUENCE>5
<FILENAME>exhibit13_1.htm
<DESCRIPTION>EXHIBIT 13.1
<TEXT>
Document 5 - file: exhibit13_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-13.2
<SEQUENCE>6
<FILENAME>exhibit13_2.htm
<DESCRIPTION>EXHIBIT 13.2
<TEXT>
Document 6 - file: exhibit13_2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>fp38a.jpg
<TEXT>
Document 7 - file: fp38a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>fp67a.jpg
<TEXT>
Document 8 - file: fp67a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>logo01.jpg
<TEXT>
Document 9 - file: logo01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>graphpag88.gif
<TEXT>
Document 10 - file: graphpag88.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>tabpa126.gif
<TEXT>
Document 11 - file: tabpa126.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tabpag75.gif
<TEXT>
Document 12 - file: tabpag75.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>tabpag79.gif
<TEXT>
Document 13 - file: tabpag79.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>tabpag81.gif
<TEXT>
Document 14 - file: tabpag81.gif

</DOCUMENT>
</SEC-DOCUMENT>