| (19) |
 |
|
(11) |
EP 0 091 308 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
05.09.1984 Bulletin 1984/36 |
| (43) |
Date of publication A2: |
|
12.10.1983 Bulletin 1983/41 |
| (22) |
Date of filing: 05.04.1983 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE FR IT LI LU NL SE |
| (30) |
Priority: |
05.04.1982 US 365779
|
| (71) |
Applicant: TELEDYNE INDUSTRIES, INC. |
|
() |
|
| (72) |
Inventors: |
|
- Kennedy, Richard L.
()
- Gerlock, ROnald J.
()
- Bieber, Clarence G.
()
|
|
| |
|
| (54) |
Corrosion resistant nickel base alloy |
(57) A nickel base alloy is provided having excellent hot and cold workability and superior
corrosion resistance to a variety of media including deep sour gas well environments.
The alloy consists essentially of 27 to 33% by weight of chromium, 8 to 12% by weight
of molybdenum, 0 to 4% by weight of tungsten, up to 1.5% by weight iron, up to 12%
by weight of cobalt, up to 0.15% by weight of carbon, up to 1.5% by weight of aluminium,
up to 1.5% by weight of titanium, up to 2% by weight of columbium, and the balance
nickel.