Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Patent
1989-12-29
1991-11-26
Yee, Deborah
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
420 57, 420 59, C22C 3844
Patent
active
RE0337536
ABSTRACT:
Austenitic steel with improved high-temperature strength and corrosion resistance, characterized by the simultaneous presence, in defined quantities, of Nb, Mo and V and by the presence of C and N in a specific ratio with said three elements.
REFERENCES:
patent: 3561953 (1971-02-01), Niimi et al.
patent: 3969109 (1976-07-01), Tanczyn
Gubiotti Roberto
Lanfranco Giovanni
Vacchiano Sergio
Centro Sviluppo Materiali S.p.A.
Yee Deborah
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