EP 2722406 B1 20181017 - Steel for molding die having excellent thermal conductivity, mirror polishing properties and toughness
Title (en)
Steel for molding die having excellent thermal conductivity, mirror polishing properties and toughness
Title (de)
Stahl für Gussform mit ausgezeichneter Wärmeleitfähigkeit, Spiegelpolier-Eigenschaften und Zähigkeit
Title (fr)
Acier pour filière de moulage présentant une excellente conductivité thermique, des propriétés de polissage en miroir et une excellente ténacité
Publication
Application
Priority
JP 2012232443 A 20121020
Abstract (en)
[origin: EP2722406A1] The present invention provides a steel for a molding die, which is excellent in thermal conductivity, mirror polishing properties and toughness. The steel of the invention contains, by mass%, 0.040<C<0.100, 0.03<Si<0.28, 1.11<Mn<1.45, 0.30<Cu<0.77, 0.30<Ni<1.78, 3.23<Cr<9.00, and 0.10<Al<0.50; and further contains at least one of: 0.04<Mo<1.00 and 0.02<V<0.50, with the balance Fe and inevitable impurities.
IPC 8 full level
C21D 1/25 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/54 (2006.01)
CPC (source: EP KR)
C21D 1/25 (2013.01 - EP KR); C22C 38/06 (2013.01 - EP KR); C22C 38/42 (2013.01 - EP KR); C22C 38/44 (2013.01 - EP KR); C22C 38/46 (2013.01 - EP KR); C22C 38/50 (2013.01 - KR); C22C 38/52 (2013.01 - KR); C22C 38/54 (2013.01 - EP KR); C22C 38/60 (2013.01 - KR); C21D 2211/004 (2013.01 - EP KR)
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
DOCDB simple family (publication)
EP 2722406 A1 20140423; EP 2722406 B1 20181017; CN 103774047 A 20140507; CN 103774047 B 20170301; KR 101928106 B1 20181211; KR 20140051039 A 20140430; TW 201416462 A 20140501; TW I576441 B 20170401
DOCDB simple family (application)
EP 13166415 A 20130503; CN 201310156195 A 20130428; KR 20130048244 A 20130430; TW 102115397 A 20130430