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Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-18-022121
Filing Date
2018-04-03
Accepted
2018-04-03 15:27:19
Documents
188
Period of Report
2017-12-31

Document Format Files

Seq Description Document Type Size
1 20-F a18-2312_120f.htm 20-F 6977486
2 EX-12.01 a18-2312_1ex12d01.htm EX-12.01 11667
3 EX-12.02 a18-2312_1ex12d02.htm EX-12.02 11744
4 EX-13.01 a18-2312_1ex13d01.htm EX-13.01 5152
5 EX-13.02 a18-2312_1ex13d02.htm EX-13.02 4826
6 EX-23.01 a18-2312_1ex23d01.htm EX-23.01 3047
7 EX-23.02 a18-2312_1ex23d02.htm EX-23.02 3638
14 GRAPHIC g23121bui001.jpg GRAPHIC 15492
15 GRAPHIC g23121bqi001.jpg GRAPHIC 52964
16 GRAPHIC g23121bmi001.gif GRAPHIC 33230
17 GRAPHIC g23121bmi002.gif GRAPHIC 20432
18 GRAPHIC g23121bmi003.gif GRAPHIC 14242
19 GRAPHIC g23121bmi004.gif GRAPHIC 9667
20 GRAPHIC g23121boi001.jpg GRAPHIC 21465
21 GRAPHIC g23121bsi001.jpg GRAPHIC 20550
22 GRAPHIC g23121bsi002.jpg GRAPHIC 32142
  Complete submission text file 0001104659-18-022121.txt   32417669

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT ggb-20171231.xml EX-101.INS 9665822
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ggb-20171231.xsd EX-101.SCH 212858
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ggb-20171231_cal.xml EX-101.CAL 152076
11 XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT ggb-20171231_lab.xml EX-101.LAB 1365631
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ggb-20171231_pre.xml EX-101.PRE 1188788
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ggb-20171231_def.xml EX-101.DEF 729523
Mailing Address AV. DAS NACOES UNIDAS, 8,501 8TH FLOOR SAO PAULO, SP D5 05425-070
Business Address AV. DAS NACOES UNIDAS, 8,501 8TH FLOOR SAO PAULO, SP D5 05425-070 011-55-51-3323-2703
GERDAU S.A. (Filer) CIK: 0001073404 (see all company filings)

IRS No.: 000000000 | State of Incorp.: D5 | Fiscal Year End: 1231
Type: 20-F | Act: 34 | File No.: 001-14878 | Film No.: 18733042
SIC: 3310 Steel Works, Blast Furnaces & Rolling & Finishing Mills