Ferritic stainless steel

Details Ferritic stainless steel Ferritic stainless steel

1974-03-07

1976-04-27

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75126D, 75126R, C22C 3822, C22C 3828

Patent

active

039532011

ABSTRACT:
A ferritic stainless steel consisting essentially of, in weight percent, from 10.5 to 19.0% chromium, up to 0.03% carbon, up to 0.03% nitrogen, up to 0.20% manganese, up to 0.20% silicon, up to 0.30% nickel, up to 0.10% aluminum, up to 0.20% copper, at least one element from the group consisting of titanium and molybdenum in an amount of titanium of from 4 (%C + %N) to 0.75% and in an amount of molybdenum of from 0.50 to 2.5%, balance essentially iron. Furthermore, a steel in which the titanium and molybdenum contents are present in respective amounts of less than 0.05 and 0.20% when they are present as residuals, and one in which the chemistry is balanced in accordance with the following equation:

REFERENCES:
patent: 2736649 (1956-02-01), Phillips
patent: 3250611 (1966-05-01), Lula et al.
patent: 3607246 (1971-09-01), Kalita
patent: 3650731 (1972-03-01), Aggen
patent: 3807991 (1974-04-01), Gregory et al.
patent: 3856515 (1974-12-01), Brandis

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