EP 0264528 B1 19910206 - NON-LEDEBURITIC HIGH SPEED STEELS
Title (en)
NON-LEDEBURITIC HIGH SPEED STEELS
Publication
Application
Priority
PL 26139986 A 19860915
Abstract (en)
[origin: EP0264528A1] This invention relates to non-ledeburitic high-speed steels containing tungsten and/or molybdenum as main alloying components, especially containing by weight 6.0 to 7.0 % of tungsten, or 5.0 to 6.0 % of molybdenum, or totally 1.0 to 6.0 % of tungsten and molybdenum and, moreover, 1.2 to 2.3 % of carbon, 4.0 to 7.0 % of chromium, 1.0 to 1.3 % of vanadium, up to 1.5 % of manganese, up to 4.0 % of nickel, 0.2 up to 0.5 % of zirconium, 0.4 up to 1.5 % of silicon, up to 0.03 % of sulphur, up to 0.03 per cent of phosphorus and having a total content of titanium and niobium from 1.5 up to 6.0 % and properly a balanced carbon content according to the following formula: 0.5 + 0.2 [% Ti + % Nb + % Zr + (% V - 1)] <% C <0.65 + 0.26 [% Ti + % Nb + % Zr + (% V - 1)].
IPC 1-7
IPC 8 full level
C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/36 (2006.01)
CPC (source: EP)
C22C 38/26 (2013.01); C22C 38/28 (2013.01); C22C 38/36 (2013.01)
Citation (examination)
SU 823450 A1 19810423 - KRAMATORSK NI PT I MASH [SU]
Designated contracting state (EPC)
AT DE FR GB IT SE
DOCDB simple family (publication)
EP 0264528 A1 19880427; EP 0264528 B1 19910206; AT E60810 T1 19910215; DE 3767961 D1 19910314; PL 261399 A3 19880818
DOCDB simple family (application)
EP 87105124 A 19870407; AT 87105124 T 19870407; DE 3767961 T 19870407; PL 26139986 A 19860915