Global Patent Index - EP 0779375 B1

EP 0779375 B1 2000-06-07 - Steel for the manufacture of divisible mechanical parts and parts made from this steel

Title (en)

Steel for the manufacture of divisible mechanical parts and parts made from this steel

Title (de)

Stahl für die Herstellung von teilbaren Maschinenteilen und Maschinenteile, hergestellt aus diesen Stahl

Title (fr)

Acier pour la fabrication de pièces de mécanique sécables et pièce obtenue

Publication

EP 0779375 B1 (FR)

Application

EP 96402534 A

Priority

FR 9514833 A

Abstract (en)

[origin: EP0779375A1] A steel alloy comprises by weight: 0.25-0.75% carbon, 0.2-1.5% silicon, 0.1-2% manganese, 0-1% each of nickel, chromium, molybdenum and copper, 0-0.2% vanadium, 0.02-0.35% sulphur, 0.04-0.2% phosphorous, 0-0.005% and, 0.005-0.02% nitrogen. The residue is iron plus possible impurities, with possibly<0.1% of at least one of lead, tellurium and selenium. The steel may have been treated with calcium. Also claimed is the use of such steel to make a mechanical component comprising at least two parts obtained by snapping a blank, and a component so made.

IPC 1-7 (main, further and additional classification)

C22C 38/60

IPC 8 full level (invention and additional information)

C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/60 (2006.01)

CPC (invention and additional information)

C22C 38/60 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0779375 A1 19970618; EP 0779375 B1 20000607; AR 004375 A1 19981104; AT 193733 T 20000615; BR 9606002 A 19980901; CA 2192509 A1 19970615; CN 1158908 A 19970910; DE 69608773 D1 20000713; DE 69608773 T2 20010201; DK 0779375 T3 20001016; ES 2148705 T3 20001016; FR 2742448 A1 19970620; FR 2742448 B1 19980116; GR 3034003 T3 20001130; JP H09176796 A 19970708; MX 9606392 A 19971031; NO 965318 A 19970616; NO 965318 D0 19961212; PL 192823 B1 20061229; PL 317455 A1 19970623; PT 779375 E 20001031; US 5769970 A 19980623

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