C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/120
C22C 38/00 (2006.01) C22C 38/22 (2006.01) C22C 38/28 (2006.01)
Patent
CA 1036392
ABSTRACT OF THE DISCLOSURE 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: %C + %N + %Mn + %Si + %Ni + %Al + %Cu + % residual Ti + % residual Mo ? 0.75 This soft ferritic stainless steel may be used for corrosion resistant applications to facilitate processing, forming or finishing.
221562
Wood John R.
Wright Roger N.
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