<SEC-DOCUMENT>0001104659-19-061536-index.html : 20191108
<SEC-HEADER>0001104659-19-061536.hdr.sgml : 20191108
<ACCEPTANCE-DATETIME>20191108124914
ACCESSION NUMBER:		0001104659-19-061536
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		24
CONFORMED PERIOD OF REPORT:	20191108
FILED AS OF DATE:		20191108
DATE AS OF CHANGE:		20191108

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GERDAU S.A.
		CENTRAL INDEX KEY:			0001073404
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			D5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14878
		FILM NUMBER:		191203292

	BUSINESS ADDRESS:	
		STREET 1:		AV DOUTORA RUTH CARDOSO, 8,501
		STREET 2:		8TH FLOOR
		CITY:			SAO PAULO, SP
		STATE:			D5
		ZIP:			05425-070
		BUSINESS PHONE:		011-55-51-3323-2703

	MAIL ADDRESS:	
		STREET 1:		AV DOUTORA RUTH CARDOSO, 8,501
		STREET 2:		8TH FLOOR
		CITY:			SAO PAULO, SP
		STATE:			D5
		ZIP:			05425-070

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GERDAU SA
		DATE OF NAME CHANGE:	19981112
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>a19-21781_16k.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: a19-21781_16k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>a19-21781_1ex99d1.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: a19-21781_1ex99d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g217811moi001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g217811moi001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g217811moi002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g217811moi002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g217811moi003.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g217811moi003.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g217811moi004.gif <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g217811moi004.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g217811moi005.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g217811moi005.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g217811moi006.gif <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g217811moi006.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g217811moi007.gif <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g217811moi007.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g217811moi008.gif <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g217811moi008.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g217811moi009.gif <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g217811moi009.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g217811moi010.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g217811moi010.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g217811moi011.gif <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g217811moi011.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g217811moi012.gif <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g217811moi012.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g217811moi013.gif <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g217811moi013.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g217811moi014.gif <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g217811moi014.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g217811moi015.gif <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g217811moi015.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g217811moi016.gif <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g217811moi016.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g217811moi017.gif <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g217811moi017.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g217811moi018.gif <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g217811moi018.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g217811moi019.gif <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g217811moi019.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g217811moi020.gif <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g217811moi020.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g217811moi021.gif <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g217811moi021.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g217811moi022.gif <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g217811moi022.gif
</DOCUMENT> </SEC-DOCUMENT>