Two-phase stainless cast steel having high corrosion fatigue str

Details Two-phase stainless cast steel having high corrosion fatigue str Two-phase stainless cast steel having high corrosion fatigue str

1984-08-16

1985-12-31

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128B, 75128V, 75128W, 75128G, 75128T, 148 37, 148 38, C22C 3852

Patent

active

045618909

ABSTRACT:
A stainless cast steel of ferrite-austenite two-phase structure having high corrosion fatigue strength and high pitting corrosion resistance containing in terms of % by weight, up to 0.1% C, up to 2.0% Si, up to 2.0% Mn, 22.0-27.0% Cr, 5.0-9.0% Ni, 1.1-2.5% Mo, 0.5-2.5% Cu, 0.5-2.0% Co and 0.5-2.0% V, the steel further containing, if desired, one or more kinds of 0.5-2.0% Nb and/or Ta and 0.01-0.5% Ti, the balance being substantially Fe and inevitable impurities.

REFERENCES:
patent: Re28523 (1975-08-01), Hill et al.
Reed-Hill, Robert, Physical Metallurgy Principles, 2nd Ed., 1973, p. 813.
Brick et al., Structure and Properties of Engineering Materials, 4th Ed., 1977, pp. 458-459.

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