Medical implant made of a stainless steel alloy

Details Medical implant made of a stainless steel alloy Medical implant made of a stainless steel alloy

1989-04-03

1990-10-23

Yee, Deborah

Metal treatment

Stock

Ferrous

148327, 623 16, 606 76, C22C 3844

Patent

active

049649256

ABSTRACT:
The invention advises use of a stainless steel alloy of ferritic-austenitic structure as implant in physiological environments, said alloy containing in weight percent max 0.05% C, 23-27% Cr, 5.5-9.0% Ni, 0.25-0.40% N, max 0.8% Si, max 1.2% Mn, 3.5-4.9% Mo, max 0.5% Cu, max 0.5% W, max 0.010% S, up to 0.5% V, up to 0.18% Ce and the balance Fe and normal impurities, whereby the ferrite content amounts to 30-55%.

REFERENCES:
patent: 4765953 (1988-08-01), Hagenfeldt et al.
patent: 4775426 (1988-10-01), Murley et al.

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