EP 3102711 A1 20161214 - NICKEL-CHROMIUM-ALUMINUM ALLOY HAVING GOOD WEAR RESISTANCE, CREEP RESISTANCE, CORROSION RESISTANCE AND PROCESSABILITY
Title (en)
NICKEL-CHROMIUM-ALUMINUM ALLOY HAVING GOOD WEAR RESISTANCE, CREEP RESISTANCE, CORROSION RESISTANCE AND PROCESSABILITY
Title (de)
AUSHÄRTENDE NICKEL-CHROM-EISEN-TITAN-ALUMINIUM-LEGIERUNG MIT GUTER VERSCHLEISSBESTÄNDIGKEIT, KRIECHFESTIGKEIT, KORROSIONSBESTÄNDIGKEIT UND VERARBEITBARKEIT
Title (fr)
ALLIAGE NICKEL-CHROME-ALUMINIUM PRÉSENTANT UNE RÉSISTANCE À L'USURE, UNE RÉSISTANCE AU FLUAGE, UNE RÉSISTANCE À LA CORROSION ÉLEVÉES ET UNE USINABILITÉ
Publication
Application
Priority
- DE 102014001328 A 20140204
- DE 2015000008 W 20150112
Abstract (en)
[origin: WO2015117584A1] Hardening wrought nickel-chromium-iron-titanium-aluminium alloy with very good wear resistance combined with good creep strength, good high-temperature corrosion resistance and good processability, said alloy comprising (in % by mass) > 18 to 31% chromium, 1.0 to 3.0% titanium, 0.6 to 2.0% aluminium, > 3.0 to 40% iron, 0.005 to 0.10% carbon, 0.0005 to 0.050% nitrogen, 0.0005 to 0.030% phosphorus, max. 0.010% sulphur, max. 0.020% oxygen, max. 0.70% silicon, max. 2.0% manganese, max. 0.05% magnesium, max. 0.05% calcium, max. 2.0% molybdenum, max. 2.0% tungsten, max. 0.5% niobium, max. 0.5% copper, max. 0.5% vanadium, optionally 0 to 15% Co, optionally 0 to 0.20% Zr, optionally 0.0001 to 0.008% boron, remainder nickel and the conventional process-related impurities, wherein the nickel content is greater than 35%, wherein the relationship Cr + Fe + Co > 25% (1) has to be satisfied in order to achieve good wear resistance, and the relationship fh > 0 (2a), where fh = 6.49 + 3.88 Ti + 1.36 Al - 0.301 Fe + (0.759 - 0.0209 Co) Co - 0.428 Cr - 28.2 C, (2) has to be satisfied in order that an adequate strength at higher temperatures is provided, wherein Ti, Al, Fe, Co, Cr and C are the concentration of the elements in question in % by mass and fh is given in %.
IPC 8 full level
C22C 19/05 (2006.01)
CPC (source: CN EP KR US)
C22C 19/05 (2013.01 - CN EP US); C22C 19/053 (2013.01 - CN); C22C 19/055 (2013.01 - CN KR); C22C 19/056 (2013.01 - CN EP KR US); C22C 30/00 (2013.01 - CN EP KR US); C22C 30/02 (2013.01 - CN); C22F 1/10 (2013.01 - CN EP KR US); F01L 3/02 (2013.01 - KR US); F01L 2301/00 (2020.05 - US); F05C 2201/0406 (2013.01 - KR US)
Citation (search report)
See references of WO 2015117584A1
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)
DE 102014001328 A1 20150806; DE 102014001328 B4 20160421; BR 112016011060 A2 20170912; BR 112016011060 B1 20210126; CN 107041147 A 20170811; EP 3102711 A1 20161214; EP 3102711 B1 20181031; JP 2017508075 A 20170323; JP 6370391 B2 20180808; KR 101876399 B1 20180709; KR 20160134647 A 20161123; SI 3102711 T1 20190329; US 2016289807 A1 20161006; WO 2015117584 A1 20150813
DOCDB simple family (application)
DE 102014001328 A 20140204; BR 112016011060 A 20150112; CN 201580002970 A 20150112; DE 2015000008 W 20150112; EP 15704948 A 20150112; JP 2016550762 A 20150112; KR 20167021160 A 20150112; SI 201530595 T 20150112; US 201515037135 A 20150112