# Filing Detail

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)

EIN.: 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