Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-21-003434
Filing Date
2021-02-26
Accepted
2021-02-26 13:52:31
Documents
143
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K ati-20201231.htm   iXBRL 10-K 4677122
2 EX-10.16 fy202010k1016.htm EX-10.16 62401
3 EX-10.17 fy202010k1017.htm EX-10.17 95187
4 EX-21.1 fy202010k211.htm EX-21.1 8251
5 EX-23.1 fy202010k231.htm EX-23.1 5229
6 EX-31.1 fy202010-k311.htm EX-31.1 9372
7 EX-31.2 fy202010-k312.htm EX-31.2 9603
8 EX-32.1 fy202010-k321.htm EX-32.1 9178
14 ati-20201231_g1.jpg GRAPHIC 109186
15 sig1.gif GRAPHIC 2494
16 sig1a.gif GRAPHIC 2494
  Complete submission text file 0001628280-21-003434.txt   22881181

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ati-20201231.xsd EX-101.SCH 121125
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ati-20201231_cal.xml EX-101.CAL 186392
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ati-20201231_def.xml EX-101.DEF 863886
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ati-20201231_lab.xml EX-101.LAB 1474689
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ati-20201231_pre.xml EX-101.PRE 1175585
17 EXTRACTED XBRL INSTANCE DOCUMENT ati-20201231_htm.xml XML 4885993
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.: 21687020
SIC: 3317 Steel Pipe & Tubes