Global Patent Index - EP 0774526 B1

EP 0774526 B1 20020116 - Iron-nickel superalloy of the IN 706 type

Title (en)

Iron-nickel superalloy of the IN 706 type

Title (de)

Eisen-Nickel-Superlegierung vom Typ IN 706

Title (fr)

Superalliage fer-nickel du type IN 706

Publication

EP 0774526 B1 20020116 (DE)

Application

EP 96810754 A 19961107

Priority

DE 19542920 A 19951117

Abstract (en)

[origin: EP0774526A1] Iron-nickel superalloy of IN 706 type contains 0.02-0.3wt.% boron and/or 0.05-1.5 wt.% hafnium. Production of a high temperature resistant material made of the superalloy is also claimed and comprises solution calcining the starting body in an oven at 900-1000 degrees C, and subsequently age-hardening at 700-760 degrees C and then at 600-650 degrees C.

IPC 1-7

C22C 19/05; C22F 1/10

IPC 8 full level

C21D 6/00 (2006.01); C22C 19/05 (2006.01); C22C 30/00 (2006.01); C22C 38/00 (2006.01); C22C 38/08 (2006.01); C22F 1/10 (2006.01)

CPC (source: EP KR US)

C22C 19/058 (2013.01 - EP US); C22C 38/08 (2013.01 - KR); C22F 1/10 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0774526 A1 19970521; EP 0774526 B1 20020116; CA 2184960 A1 19970518; CA 2184960 C 20080108; CN 1079840 C 20020227; CN 1157332 A 19970820; DE 19542920 A1 19970522; DE 59608591 D1 20020221; JP 3781494 B2 20060531; JP H09170054 A 19970630; KR 970027351 A 19970624; RU 2173349 C2 20010910; US 5863494 A 19990126

DOCDB simple family (application)

EP 96810754 A 19961107; CA 2184960 A 19960906; CN 96114573 A 19961116; DE 19542920 A 19951117; DE 59608591 T 19961107; JP 30515796 A 19961115; KR 19960046582 A 19961017; RU 96121981 A 19961115; US 70761096 A 19960905