<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
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