| (19) |
 |
|
(11) |
EP 0 251 295 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
01.03.1989 Bulletin 1989/09 |
| (43) |
Date of publication A2: |
|
07.01.1988 Bulletin 1988/01 |
| (22) |
Date of filing: 30.06.1987 |
|
| (51) |
International Patent Classification (IPC)4: C22C 19/05 |
|
| (84) |
Designated Contracting States: |
|
GB |
| (30) |
Priority: |
03.07.1986 US 881623
|
| (71) |
Applicant: Inco Alloys International, Inc. |
|
Huntington
West Virginia 25720 (US) |
|
| (72) |
Inventors: |
|
- Ganesan, Pasupathy
Huntington, W VA 25705 (US)
- Smith, Gaylord
Huntington, W VA 25705 (US)
- Tassen, Curtis Steven
Huntington, W VA 25705 (US)
- Wheeler, Jack Milton
Lesage, W.VA. 25537 (US)
|
| (74) |
Representative: Greenstreet, Cyril Henry et al |
|
Haseltine Lake Partners
Motorama Haus 502
Rosenheimer Strasse 30
D-81669 München
D-81669 München (DE) |
|
| |
|
| (54) |
High nickel chromium alloy |
(57) An oxidation resistant nickel-chromium based alloy possessing good stress rupture
characteristics at elevated temperature and consisting essentially of;
55 to 65% nickel
19 to 28% chromium
0,75 to 2% aluminium
0,2 to 1% titanium
0,035 to 0,1% nitrogen
up to about 0,1% carbon
up to 1% each of silicon, molybdenum, manganese and niobium
up to 0,1% boron
the balance essentially iron.