Global Patent Index - EP 3733913 A1

EP 3733913 A1 20201104 - AUSTENITE-BASED HEAT-RESISTANT ALLOY

Title (en)

AUSTENITE-BASED HEAT-RESISTANT ALLOY

Title (de)

AUSTENIT-BASIERTE HITZEBESTÄNDIGE LEGIERUNG

Title (fr)

ALLIAGE RÉSISTANT À LA CHALEUR À BASE D'AUSTÉNITE

Publication

EP 3733913 A1 20201104 (EN)

Application

EP 18897323 A 20181227

Priority

  • JP 2017253350 A 20171228
  • JP 2018048342 W 20181227

Abstract (en)

There is provided an austenitic heat resistant alloy having a chemical composition that contains, in mass percent: C: 0.03 to 0.25%, Si: 0.01 to 2.0%, Mn: 0.10 to 0.50%, P: 0.030% or less, S: 0.010% or less, Cr: 13.0 to 30.0%, Ni: 25.0 to 45.0%, Al: 2.5 to 4.5%, Nb: 0.01 to 2.00%, N: 0.05% or less, Ti: 0 to 0.20%, W: 0 to 6.0%, Mo: 0 to 4.0%, Zr: 0 to 0.10%, B: 0 to 0.0100%, Cu: 0 to 5.0%, REM: 0 to 0.10%, Ca: 0 to 0.050%, Mg: 0 to 0.050%, and the balance: Fe and impurities.

IPC 8 full level

C22C 38/48 (2006.01); C22C 38/54 (2006.01); C23C 8/18 (2006.01)

CPC (source: EP US)

C22C 38/001 (2013.01 - EP US); C22C 38/002 (2013.01 - EP US); C22C 38/005 (2013.01 - EP US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - EP US); C22C 38/42 (2013.01 - EP US); C22C 38/44 (2013.01 - EP US); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US); C22C 38/54 (2013.01 - EP US); C23C 8/18 (2013.01 - US); C23C 8/18 (2013.01 - EP)

Citation (search report)

See references of WO 2019131954A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3733913 A1 20201104; CN 111542639 A 20200814; JP WO2019131954 A1 20201119; US 2021062314 A1 20210304; WO 2019131954 A1 20190704

DOCDB simple family (application)

EP 18897323 A 20181227; CN 201880084052 A 20181227; JP 2018048342 W 20181227; JP 2019562475 A 20181227; US 201816958550 A 20181227