<SEC-DOCUMENT>0001292814-16-004704-index.html : 20160516
<SEC-HEADER>0001292814-16-004704.hdr.sgml : 20160516
<ACCEPTANCE-DATETIME>20160513214933
ACCESSION NUMBER:		0001292814-16-004704
CONFORMED SUBMISSION TYPE:	20-F
PUBLIC DOCUMENT COUNT:		24
CONFORMED PERIOD OF REPORT:	20151231
FILED AS OF DATE:		20160516
DATE AS OF CHANGE:		20160513

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:		161650316

	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_2015.htm
<DESCRIPTION>FORM 20-F
<TEXT>
Document 1 - file: sidform20f_2015.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-8.1
<SEQUENCE>2
<FILENAME>exhibit08_1.htm
<DESCRIPTION>EXHIBIT 8.1
<TEXT>
Document 2 - file: exhibit08_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>EX-15.1
<SEQUENCE>7
<FILENAME>exhibit15_1.htm
<DESCRIPTION>EXHIBIT 15.1
<TEXT>
Document 7 - file: exhibit15_1.htm

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<SEQUENCE>8
<FILENAME>ex8-1.jpg
<TEXT>
Document 8 - file: ex8-1.jpg

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<FILENAME>tablesid.jpg
<TEXT>
Document 9 - file: tablesid.jpg

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<FILENAME>tablesid2.jpg
<TEXT>
Document 10 - file: tablesid2.jpg

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<FILENAME>x16050223412900.jpg
<TEXT>
Document 11 - file: x16050223412900.jpg

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Document 12 - file: x16050223412902.jpg

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Document 13 - file: x16050223412903.jpg

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Document 14 - file: x16050223412904.jpg

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Document 15 - file: x16050223412905.jpg

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<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>x16050223412906.jpg
<TEXT>
Document 16 - file: x16050223412906.jpg

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<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>x16050223412907.jpg
<TEXT>
Document 17 - file: x16050223412907.jpg

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<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>x16050223412908.jpg
<TEXT>
Document 18 - file: x16050223412908.jpg

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<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>x16050223413000.jpg
<TEXT>
Document 19 - file: x16050223413000.jpg

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<TEXT>
Document 20 - file: fp28_fpa.gif

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Document 21 - file: fp38a.gif

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<TEXT>
Document 22 - file: fp55_fpa.gif

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<FILENAME>fp56_fpa.gif
<TEXT>
Document 23 - file: fp56_fpa.gif

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<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>logo_csn.gif
<TEXT>
Document 24 - file: logo_csn.gif

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