C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/14 (2006.01) C21D 8/00 (2006.01) C22C 38/00 (2006.01) C22C 38/32 (2006.01) C21D 8/06 (2006.01)
Patent
CA 2225782
Steel for the manufacture of a steel part shaped by cold working, with chemical composition including, by weight, 0.03% C 0.16%; 0.5% Mn 2%; 0.05% Si 0.5%; 0% Cr 1.8%; 0% Mo 0.25%; 0.001% Al 0.05%; 0.001% Ti 0.05%; 0% V 0.15%; 0.0005% B 0.005%; 0.004% N 0.012%; 0.001% S 0.09%; where applicable, up to 0.005% calcium, up to 0.01% tellurium, up to 0.04% selenium, up to 0.3% lead; the remainder being iron and impurities resulting from manufacture, the chemical composition of the steel conforming to, among other things, the relations Mn + 0.9 x Cr + 1.3 x Mo + 1.6 x V 2.2% and Al + Ti 3.5 x N. Process for manufacturing a steel part shaped by cold working and the part obtained.
Acier pour la fabrication d'une pièce en acier mise en forme par déformation plastique à froid, dont la composition chimique comprend, en poids: 0,03 % ~ C ~ 0,16 %; 0,5 % ~ Mn ~ 2 %; 0,05 % ~ Si ~ 0,5 %; 0 % ~ Cr ~ 1,8%; 0% ~ Mo ~ 0,25%; 0,001% ~ AI ~ 0,05%; 0,001% ~ Ti ~ 0,05%; 0% ~ V ~ 0,15 %; 0,0005 % ~ B ~ 0,005 %; 0,004 % ~ N ~ 0,012 %; 0,001 % ~ S ~ 0,09 %; éventuellement jusqu'à 0,005 % de calcium, jusqu'à 0,01 % de tellure, jusqu'à 0,04 % de sélénium, jusqu'à 0,3 % de plomb; le reste étant du fer et desimpuretés résultant de l'élaboration, la composition chimique de l'acier satisfaisant, en outre les relations: Mn + 0,9 x Cr +1,3 x Mo + 1,6 x V ~ 2,2 % et AI + Ti ~ 3,5 x N. Procédé pour la fabrication d'une pièce en acier mise en forme par déformation plastique à froid et pièce obtenue.
Ascometal
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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