<SEC-DOCUMENT>0001292814-17-002668-index.html : 20171031
<SEC-HEADER>0001292814-17-002668.hdr.sgml : 20171031
<ACCEPTANCE-DATETIME>20171031124124
ACCESSION NUMBER:		0001292814-17-002668
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		30
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20171031
DATE AS OF CHANGE:		20171031

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:		171164839

	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>sid20171031_6k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: sid20171031_6k.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>sid20171031_6kx10x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: sid20171031_6kx10x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>sid20171031_6kx11x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: sid20171031_6kx11x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>sid20171031_6kx12x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: sid20171031_6kx12x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>sid20171031_6kx13x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: sid20171031_6kx13x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>sid20171031_6kx14x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: sid20171031_6kx14x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>sid20171031_6kx15x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: sid20171031_6kx15x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>sid20171031_6kx16x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: sid20171031_6kx16x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>sid20171031_6kx17x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: sid20171031_6kx17x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>sid20171031_6kx19x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: sid20171031_6kx19x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>sid20171031_6kx1x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: sid20171031_6kx1x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>sid20171031_6kx20x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: sid20171031_6kx20x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>sid20171031_6kx21x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: sid20171031_6kx21x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>sid20171031_6kx22x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: sid20171031_6kx22x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>sid20171031_6kx23x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: sid20171031_6kx23x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>sid20171031_6kx24x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: sid20171031_6kx24x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>sid20171031_6kx25x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: sid20171031_6kx25x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>sid20171031_6kx26x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: sid20171031_6kx26x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>sid20171031_6kx27x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: sid20171031_6kx27x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>sid20171031_6kx28x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: sid20171031_6kx28x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>sid20171031_6kx29x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: sid20171031_6kx29x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>sid20171031_6kx2x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: sid20171031_6kx2x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>sid20171031_6kx3x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: sid20171031_6kx3x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>sid20171031_6kx4x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: sid20171031_6kx4x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>sid20171031_6kx5x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: sid20171031_6kx5x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>sid20171031_6kx6x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: sid20171031_6kx6x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>sid20171031_6kx7x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: sid20171031_6kx7x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>sid20171031_6kx8x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: sid20171031_6kx8x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>sid20171031_6kx9x1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: sid20171031_6kx9x1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>slide18.gif <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: slide18.gif
</DOCUMENT> </SEC-DOCUMENT>