EP 2058415 A1 20090513 - Forged Austenitic Stainless Steel Alloy Components and Method Therefor
Title (en)
Forged Austenitic Stainless Steel Alloy Components and Method Therefor
Title (de)
Geschmiedete austenitische Edelstahllegierungskomponenten und Verfahren dafür
Title (fr)
Composants d'alliage en acier non inoxydable austénitique forgé et procédé associé
Publication
Application
Priority
US 93759107 A 20071109
Abstract (en)
A forgeable austenitic stainless steel alloy and forging process capable of producing forged components (14) that exhibit mechanical and environmental properties and metallurgical stability suitable for use in thermally and chemically hostile environments, such as the environment of a component (14) of a gas turbine engine shroud assembly (10). The alloy contains, by weight, 18.0 to 22.0% chromium, 8.0 to 14.0% nickel, 4.0 to 7.0% manganese, 0.4 to 0.6% silicon, at least 0.2 up to 1.0% nitrogen, at least 0.05 up to 0.075% carbon; up to 0.3% molybdenum, up to 1.0% niobium, up to 0.2% cobalt, up to 4.5% aluminum, up to 0.1 % boron, up to 0.1 % vanadium, up to 1.0% tungsten, and up to 5.0% copper, with the balance iron and incidental impurities.
IPC 8 full level
C21D 7/13 (2006.01); C22C 38/02 (2006.01); C22C 38/48 (2006.01); C22C 38/58 (2006.01)
CPC (source: EP KR US)
C21D 6/004 (2013.01 - EP US); C21D 6/005 (2013.01 - EP US); C21D 7/13 (2013.01 - EP US); C21D 9/0068 (2013.01 - EP US); C22C 38/001 (2013.01 - EP US); C22C 38/02 (2013.01 - EP US); C22C 38/40 (2013.01 - KR); C22C 38/48 (2013.01 - EP US); C22C 38/58 (2013.01 - EP US); F01D 9/06 (2013.01 - EP US); C21D 1/26 (2013.01 - EP US); C21D 2211/001 (2013.01 - EP US); C21D 2211/004 (2013.01 - EP US); F05D 2230/25 (2013.01 - EP US); F05D 2300/171 (2013.01 - EP US)
Citation (applicant)
- US 4853185 A 19890801 - ROTHMAN MICHAEL F [US], et al
- US 4981647 A 19910101 - ROTHMAN MICHAEL F [US], et al
- US 7153373 B2 20061226 - MAZIASZ PHILIP J [US], et al
Citation (search report)
- [XA] WO 9614447 A1 19960517 - SANDVIK AB [SE]
- [X] US 2006266439 A1 20061130 - MAZIASZ PHILIP J [US], et al
- [XA] EP 0446188 A1 19910911 - SANDVIK AB [SE]
- [A] US 4444588 A 19840424 - NEY SR RONALD P [US]
- [A] EP 1645649 A1 20060412 - SUMITOMO METAL IND [JP]
- [A] EP 1577414 A2 20050921 - DAIDO STEEL CO LTD [JP]
- [A] EP 1219720 A2 20020703 - CATERPILLAR INC [US]
- [A] US 2004191109 A1 20040930 - MAZIASZ PHILIP J [US], et al
- [A] SHINGLEDECKER J P ET AL: "CF8C plus: a new high temperature asutenitic casting alloy for advanced power systems", ENERGY MATERIALS, MANEY PUBLISHING, LEEDS, GB, vol. 1, no. 1, 1 March 2006 (2006-03-01), pages 25 - 32, XP002447289, ISSN: 1748-9237
Designated contracting state (EPC)
CH DE GB LI
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2058415 A1 20090513; JP 2009120950 A 20090604; KR 20090048331 A 20090513; US 2009129967 A1 20090521
DOCDB simple family (application)
EP 08167894 A 20081030; JP 2008286350 A 20081107; KR 20080109684 A 20081106; US 93759107 A 20071109