C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/58 (2006.01) C22C 38/00 (2006.01)
Patent
CA 2239478
Acier inoxydable austénoferritique à très bas nickel et présentant un fort allongement en traction caractérisé en la composition pondérale suivante carbone < 0,04% 0,4% < silicium < 1,2% 2 % < manganèse < 4% 0,1% < nickel < 1% 18% < chrome < 22% 0,05% < cuivre < 4% soufre < 0,03% phosphore < 0,1% 0,1% < azote < 0,3% molybdène < 3% l'acier présentant un biphasage compris entre 30 et 70% d'austénite, tel que Creq = Cr% + Mo% + 1,5 Si% Nieq = Ni% + 0,33Cu% + 0,5 Mn% + 30 C% + 30 N% avec Creq/Nieq compris entre 2,3 et 2,75.
Hauser Jean-Michel
Sassoulas Herve
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Ugitech
Usinor
LandOfFree
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