# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-22-003961
Filing Date
2022-02-25
Accepted
2022-02-25 13:25:12
Documents
142
Period of Report
2021-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | ati-20211231.htm iXBRL | 10-K | 4711639
2 | EX-10.15 | fy202110-k1015.htm | EX-10.15 | 87998
3 | EX-18.1 | fy202110-k181.htm | EX-18.1 | 3587
4 | EX-21.1 | fy202110k211.htm | EX-21.1 | 8813
5 | EX-23.1 | fy202110k231.htm | EX-23.1 | 5229
6 | EX-31.1 | fy202110-k311.htm | EX-31.1 | 9393
7 | EX-31.2 | fy202110-k312.htm | EX-31.2 | 9614
8 | EX-32.1 | fy202110-k321.htm | EX-32.1 | 9202
14 |  | ati-20211231_g1.jpg | GRAPHIC | 107636
| Complete submission text file | 0001628280-22-003961.txt |  | 23577250

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ati-20211231.xsd | EX-101.SCH | 124045
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ati-20211231_cal.xml | EX-101.CAL | 144097
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ati-20211231_def.xml | EX-101.DEF | 891645
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ati-20211231_lab.xml | EX-101.LAB | 1493141
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ati-20211231_pre.xml | EX-101.PRE | 1228528
136 | EXTRACTED XBRL INSTANCE DOCUMENT | ati-20211231_htm.xml | XML | 5161363

Mailing Address 100 SIX PPG PLACE PITTSBURGH PA 15222
Business Address 1000 SIX PPG PLACE PITTSBURGH PA 15222 4123942800
ALLEGHENY TECHNOLOGIES INC (Filer) CIK: 0001018963 (see all company filings)

EIN.: 251792394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-12001 | Film No.: 22677834
SIC: 3317 Steel Pipe & Tubes