Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1979-05-29
1980-09-16
Rutledge, L. Dewayne
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75128G, 75128F, 75128N, 75128T, 148 38, C22C 3802, C22C 3842
Patent
active
042227739
ABSTRACT:
An austenitic stainless steel which is completely or practically completely austenitic in a hot worked, solution treated state, with properties characteristic for such steel and with a corrosion resistance clearly superior to the AISI 304 type of 18/8-steel, at least on a par with AISI 316 type of acid resistant steel 17/12-2Mo. The steel consists essentially of less than 0.10% C, less than 1.5% Si, between 0.10 and 0.30% Mn, between 17 and 20% Cr, between 6 and 16% Ni, between 2.0 and 4.0% Cu, less than 0.40% N, less than 1.0% Ti, less than 1.5% Nb and less than 100 ppm B, the balance being iron and impurities such as S, P and Mo usually present in steel.
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patent: 3574601 (1971-04-01), Myers et al.
patent: 3622307 (1971-11-01), Clarke, Jr.
patent: 3751244 (1977-08-01), Mimino et al.
patent: 4022586 (1977-05-01), Espy
patent: 4035182 (1977-07-01), Kowaka et al.
patent: 4055448 (1977-10-01), Fuzikura et al.
Fagersta AB
Rutledge L. Dewayne
Upendra Roy
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