EP 2270245 B1 20151216 - Hot work tool steel and steel product using the same
Title (en)
Hot work tool steel and steel product using the same
Title (de)
Warmarbeitsstahl und Stahlprodukt damit
Title (fr)
Acier pour outil de travail à chaud et produit d'acier l'utilisant
Publication
Application
Priority
JP 2009143377 A 20090616
Abstract (en)
[origin: EP2270245A1] The present invention provides a hot work tool steel containing: 0.20‰¤C‰¤0.50 mass%, 0.40<Si<0.75 mass%, 0.50<Mn‰¤1.50 mass%, 5.24‰¤Cr‰¤9.00 mass%, 1.08<Mo<2.99 mass%, and, 0.30<V<0.70 mass%, with the balance being Fe and unavoidable impurities; and a steel product using the hot work tool steel. The hot work tool steel is capable of improving the thermal conductivity as compared with general-purpose die steel (JIS SKD61) and has a higher impact value than that of general-purpose die steel while maintaining machinability at a level equal to or higher than that of general-purpose die steel.
IPC 8 full level
C22C 33/00 (2006.01); C22C 33/04 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01)
CPC (source: EP KR)
C22C 33/006 (2013.01 - EP KR); C22C 33/04 (2013.01 - EP KR); C22C 38/002 (2013.01 - KR); C22C 38/02 (2013.01 - EP KR); C22C 38/04 (2013.01 - EP KR); C22C 38/22 (2013.01 - EP KR); C22C 38/24 (2013.01 - EP KR); C22C 38/60 (2013.01 - 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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2270245 A1 20110105; EP 2270245 B1 20151216; CN 101921958 A 20101222; CN 101921958 B 20150218; JP 2011001573 A 20110106; JP 5515442 B2 20140611; KR 20100135206 A 20101224
DOCDB simple family (application)
EP 10006150 A 20100614; CN 201010203494 A 20100612; JP 2009143377 A 20090616; KR 20100057289 A 20100616