EP 0568598 B1 19950614 - VALVE WITH HARD-FACING.
Title (en)
VALVE WITH HARD-FACING.
Title (de)
VENTIL MIT AUFPANZERUNG.
Title (fr)
SOUPAPE RECHARGEE AVEC UNE MATIERE DURE.
Publication
Application
Priority
- DK 9200021 W 19920122
- DK 11091 A 19910123
Abstract (en)
[origin: WO9213179A1] A nickel-base alloy for use as valve seat material on an exhaust valve for an internal combustion engine comprises, stated in % by weight, 20 to 24 % Cr, 0 to 8 % W, 4 to 7 % Al, 0.2 to 0.55 % C, 0 to 2 % Hf, 0.1 to 1.5 % Nb, 0 to 8 % Mo, 0 to 1.2 % Si and 0 to 15 % Fe, wherein the W-content and the Mo-content add up to no more than 10 %. At a working temperature of 500 DEG C in a strongly corroding sulphur containing environment such as an alloy presents a good corrosion resistancy combined with a ductility corresponding to Alloy 50.
IPC 1-7
IPC 8 full level
B23K 10/02 (2006.01); C22C 19/05 (2006.01); F01L 3/02 (2006.01); F02B 3/06 (2006.01)
CPC (source: EP KR)
C22C 19/055 (2013.01 - EP); F01L 3/02 (2013.01 - EP KR); F02B 3/06 (2013.01 - EP)
Citation (examination)
- NL 150611 C
- US 4727740 A 19880301 - YABUKI RITSUE [JP], et al
Designated contracting state (EPC)
CH DE GB LI NL
DOCDB simple family (publication)
WO 9213179 A1 19920806; DE 69202969 D1 19950720; DE 69202969 T2 19951130; DK 11091 A 19920724; DK 11091 D0 19910123; DK 166219 B 19930322; DK 166219 C 19930816; EP 0568598 A1 19931110; EP 0568598 B1 19950614; JP H06504830 A 19940602; KR 100251396 B1 20000415; KR 930703526 A 19931130; NO 179922 B 19960930; NO 179922 C 19970108; NO 932645 D0 19930722; NO 932645 L 19930722
DOCDB simple family (application)
DK 9200021 W 19920122; DE 69202969 T 19920122; DK 11091 A 19910123; EP 92904041 A 19920122; JP 50392892 A 19920122; KR 930702179 A 19930722; NO 932645 A 19930722