    <SEC-DOCUMENT>0001292814-16-004844-index.html : 20160524
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    ACCESSION NUMBER:		0001292814-16-004844
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		13
    CONFORMED PERIOD OF REPORT:	20160331
    FILED AS OF DATE:		20160524
    DATE AS OF CHANGE:		20160524

    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:		161671211

    	BUSINESS ADDRESS:
    		STREET 1:		RUA LAURO MULLER
    		STREET 2:		116 36 ANDAR
    		CITY:			RIO DE JANEIRO RJ BR
    		STATE:			D5
    		ZIP:			00000
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    <FILENAME>siditr1q16_6k.htm
    <DESCRIPTION>ITR - QUARTERLY FINANCIAL INFORMATION - MARCH 31, 2016
    <TEXT>
    Document 1 - file: siditr1q16_6k.htm

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    Document 2 - file: x16051715384100.jpg

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    <TEXT>
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    <TEXT>
    Document 4 - file: fp12a.gif

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    <DESCRIPTION>GRAPHIC
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    Document 5 - file: fp21a.gif

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    <TEXT>
    Document 8 - file: fp7.gif

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    <TEXT>
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    <TEXT>
    Document 10 - file: fp9a.gif

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