EP 0991789 A1 20000412 - TOOL STEEL COMPOSITION
Title (en)
TOOL STEEL COMPOSITION
Title (de)
ZUSAMMENSETZUNG VON WERKZEUGSTAHL
Title (fr)
COMPOSITION D'ACIER A OUTILS
Publication
Application
Priority
- FR 9900735 W 19990330
- FR 9804122 A 19980402
Abstract (en)
[origin: US6280685B1] The invention relates to a tool steel composition comprising, expressed in weight percentage:C 0.3%-0.4%Cr 2.0%-4.0%Mo 0.8%-3.0%V 0.4%-1.0%W 1.5%-3.0%Co 1.0%-5.0%Si 0 %-1.0%Mn 0 %-1.0%Ni 0 %-1.0%the balance being mainly constituted by iron and inevitable impurities, and also to a method of preparing the composition.
IPC 1-7
IPC 8 full level
C21D 1/18 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/30 (2006.01); C21D 1/20 (2006.01)
CPC (source: EP US)
C21D 1/18 (2013.01 - EP US); C22C 38/22 (2013.01 - EP US); C22C 38/24 (2013.01 - EP US); C22C 38/30 (2013.01 - EP US); C21D 1/20 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE ES FR GB IT NL SE
DOCDB simple family (publication)
US 6280685 B1 20010828; AT E239103 T1 20030515; BR 9906337 A 20001003; CA 2292742 A1 19991014; DE 69907358 D1 20030605; DE 69907358 T2 20040325; DE 991789 T1 20010111; EP 0991789 A1 20000412; EP 0991789 B1 20030502; ES 2198903 T3 20040201; FR 2777023 A1 19991008; FR 2777023 B1 20000616; WO 9951788 A1 19991014
DOCDB simple family (application)
US 42496500 A 20000208; AT 99910459 T 19990330; BR 9906337 A 19990330; CA 2292742 A 19990330; DE 69907358 T 19990330; DE 99910459 T 19990330; EP 99910459 A 19990330; ES 99910459 T 19990330; FR 9804122 A 19980402; FR 9900735 W 19990330