EP 1382704 B1 20041103 - Cold work steel with high wear resistance
Title (en)
Cold work steel with high wear resistance
Title (de)
Kaltarbeitsstahl mit hohem Verschleisswiderstand
Title (fr)
Acier pour travail à froid avec résistance à l'usure élevée
Publication
Application
Priority
AT 10272002 A 20020708
Abstract (en)
[origin: EP1382704A1] Cold work steel comprises (in wt.%) 2.21-2.64 carbon, 0.08-1.1 silicon, 0.05-1.1 manganese, 3.71-4.69 chromium, 3.1-4.4 molybdenum, 0.14-0.3 nickel, 8.45-9.5 vanadium, 0.5-1.5 tungsten, 1.1-4.9 cobalt, up to 0.3 sulfur, up to 0.1 niobium, up to 0.1 nitrogen, up to 0.06 aluminum, up to 0.01 titanium, maximum 0.029 phosphorus, maximum 0.03 oxygen, and a balance of iron. Preferred Features: The ratio of V to Mo + W is 1.5-2.2. The ratio of Cr + Mn + Ni to Co is 2.05-2.95.
IPC 1-7
IPC 8 full level
C22C 33/02 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/52 (2006.01); C22C 38/56 (2006.01)
CPC (source: EP)
C22C 33/0278 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/52 (2013.01); C22C 38/56 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1382704 A1 20040121; EP 1382704 B1 20041103; AT 411534 B 20040225; AT A10272002 A 20030715; DE 50300134 D1 20041209; DK 1382704 T3 20050221; ES 2232809 T3 20050601; HK 1064129 A1 20051118; PT 1382704 E 20050429; SK 286758 B6 20090507; SK 8622003 A3 20040108
DOCDB simple family (application)
EP 03450155 A 20030623; AT 10272002 A 20020708; DE 50300134 T 20030623; DK 03450155 T 20030623; ES 03450155 T 20030623; HK 04105400 A 20040721; PT 03450155 T 20030623; SK 8622003 A 20030704