<SEC-DOCUMENT>0001104659-15-024632-index.html : 20150331
<SEC-HEADER>0001104659-15-024632.hdr.sgml : 20150331
<ACCEPTANCE-DATETIME>20150331150911
ACCESSION NUMBER:		0001104659-15-024632
CONFORMED SUBMISSION TYPE:	20-F
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20141231
FILED AS OF DATE:		20150331
DATE AS OF CHANGE:		20150331

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:		20-F
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14878
		FILM NUMBER:		15738737

	BUSINESS ADDRESS:	
		STREET 1:		AVENIDA FARRAPOS, 1811
		CITY:			PORTO ALEGRE, RIO GRANDE DO SU
		STATE:			D5
		ZIP:			90220-005
		BUSINESS PHONE:		011-55-51-3323-2703

	MAIL ADDRESS:	
		STREET 1:		AVENIDA FARRAPOS, 1811
		CITY:			PORTO ALEGRE, RIO GRANDE DO SU
		STATE:			D5
		ZIP:			90220-005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GERDAU SA
		DATE OF NAME CHANGE:	19981112
</SEC-HEADER>
<DOCUMENT>
<TYPE>20-F
<SEQUENCE>1
<FILENAME>a15-7786_120f.htm
<DESCRIPTION>20-F
<TEXT>
Document 1 - file: a15-7786_120f.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-12.01 <SEQUENCE>2 <FILENAME>a15-7786_1ex12d01.htm <DESCRIPTION>EX-12.01 <TEXT> Document 2 - file: a15-7786_1ex12d01.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-12.02 <SEQUENCE>3 <FILENAME>a15-7786_1ex12d02.htm <DESCRIPTION>EX-12.02 <TEXT> Document 3 - file: a15-7786_1ex12d02.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-13.01 <SEQUENCE>4 <FILENAME>a15-7786_1ex13d01.htm <DESCRIPTION>EX-13.01 <TEXT> Document 4 - file: a15-7786_1ex13d01.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-13.02 <SEQUENCE>5 <FILENAME>a15-7786_1ex13d02.htm <DESCRIPTION>EX-13.02 <TEXT> Document 5 - file: a15-7786_1ex13d02.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.01 <SEQUENCE>6 <FILENAME>a15-7786_1ex23d01.htm <DESCRIPTION>EX-23.01 <TEXT> Document 6 - file: a15-7786_1ex23d01.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g77861ba15i001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g77861ba15i001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g77861ba21i001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g77861ba21i001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g77861ba19i001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g77861ba19i001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g77861ba19i002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g77861ba19i002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g77861ba09i001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g77861ba09i001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g77861ba09i002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g77861ba09i002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g77861ba09i003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g77861ba09i003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g77861ba09i004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g77861ba09i004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g77861ba09i005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g77861ba09i005.jpg
</DOCUMENT> </SEC-DOCUMENT>