<SEC-DOCUMENT>0001292814-18-002701-index.html : 20180808
<SEC-HEADER>0001292814-18-002701.hdr.sgml : 20180808
<ACCEPTANCE-DATETIME>20180808060548
ACCESSION NUMBER:		0001292814-18-002701
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20180630
FILED AS OF DATE:		20180808
DATE AS OF CHANGE:		20180808

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:		18999674

	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>sidpr2q18_6k.htm
<DESCRIPTION>2Q18 EARNINGS RELEASE
<TEXT>
Document 1 - file: sidpr2q18_6k.htm

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<SEQUENCE>2
<FILENAME>image1.jpg
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<TEXT>
Document 2 - file: image1.jpg

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Document 3 - file: header1.gif

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<SEQUENCE>4
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Document 4 - file: logo.gif

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<SEQUENCE>5
<FILENAME>pg03a.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: pg03a.gif

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<SEQUENCE>6
<FILENAME>pg03b.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: pg03b.gif

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<TYPE>GRAPHIC
<SEQUENCE>7
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: pg04a1.gif

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<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>pg06a.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: pg06a.gif

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<SEQUENCE>9
<FILENAME>pg06b.gif
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<TEXT>
Document 9 - file: pg06b.gif

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<SEQUENCE>10
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<TEXT>
Document 10 - file: pg06c.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>pg08a.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: pg08a.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>pg08b.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: pg08b.gif

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<SEQUENCE>13
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<TEXT>
Document 13 - file: pg09a.gif

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<SEQUENCE>14
<FILENAME>pg09b.gif
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<TEXT>
Document 14 - file: pg09b.gif

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<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>pg10a.gif
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<TEXT>
Document 15 - file: pg10a.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>pg10b.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: pg10b.gif

</DOCUMENT>
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