    <SEC-DOCUMENT>0001292814-19-000522-index.html : 20190301
    <SEC-HEADER>0001292814-19-000522.hdr.sgml : 20190301
    <ACCEPTANCE-DATETIME>20190228191748
    ACCESSION NUMBER:		0001292814-19-000522
    CONFORMED SUBMISSION TYPE:	6-K/A
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20190331
    FILED AS OF DATE:		20190301
    DATE AS OF CHANGE:		20190228

    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/A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14732
    		FILM NUMBER:		19646047

    	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/A
    <SEQUENCE>1
    <FILENAME>sid20190228_6ka.htm
    <DESCRIPTION>SID20190228_6KA
    <TEXT>
    Document 1 - file: sid20190228_6ka.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>sid20190228_6kax10x1.jpg
    <TEXT>
    Document 2 - file: sid20190228_6kax10x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>sid20190228_6kax11x1.jpg
    <TEXT>
    Document 3 - file: sid20190228_6kax11x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>sid20190228_6kax12x1.jpg
    <TEXT>
    Document 4 - file: sid20190228_6kax12x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>sid20190228_6kax13x1.jpg
    <TEXT>
    Document 5 - file: sid20190228_6kax13x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>sid20190228_6kax14x1.jpg
    <TEXT>
    Document 6 - file: sid20190228_6kax14x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>sid20190228_6kax15x1.jpg
    <TEXT>
    Document 7 - file: sid20190228_6kax15x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>sid20190228_6kax1x1.jpg
    <TEXT>
    Document 8 - file: sid20190228_6kax1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>sid20190228_6kax2x1.jpg
    <TEXT>
    Document 9 - file: sid20190228_6kax2x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>sid20190228_6kax3x1.jpg
    <TEXT>
    Document 10 - file: sid20190228_6kax3x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>sid20190228_6kax4x1.jpg
    <TEXT>
    Document 11 - file: sid20190228_6kax4x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>sid20190228_6kax5x1.jpg
    <TEXT>
    Document 12 - file: sid20190228_6kax5x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>sid20190228_6kax6x1.jpg
    <TEXT>
    Document 13 - file: sid20190228_6kax6x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>sid20190228_6kax7x1.jpg
    <TEXT>
    Document 14 - file: sid20190228_6kax7x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>sid20190228_6kax8x1.jpg
    <TEXT>
    Document 15 - file: sid20190228_6kax8x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>sid20190228_6kax9x1.jpg
    <TEXT>
    Document 16 - file: sid20190228_6kax9x1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>