Ductile ferritic steels and their use for metallic articles, esp

Details Ductile ferritic steels and their use for metallic articles, esp Ductile ferritic steels and their use for metallic articles, esp

1978-09-28

1980-08-05

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128G, 75128N, 75128T, 75128W, B32B 1518, C22C 3842

Patent

active

042160138

ABSTRACT:
Ferritic, stabilized, stainless and corrosion-resistant chromium-molybdenum steels with a carbon content of from 0.01 to 0.025%, a nitrogen content of from 0.005 to 0.025%, a chromium content of from 20.0 to 30.0%, a molybdenum content of from 3.0 to 5.0%, manganese and silicon contents of from 0.02 to 1.0% in each case and vanadium, tungsten, cobalt and aluminum contents of at most 0.25% in each case and also with a nickel content of from 3.2 to 4.8%, a copper content of from 0.1 to 1.0%, a titanium content of from 0.2 to 0.7% and/or a niobium content of from 0.2 to 1.0%, the rest being iron with the usual impurities, alloying additions of boron and/or zirconium being permitted in quantities which correspond to the prior art.

REFERENCES:
patent: 3258370 (1966-06-01), Fhoreen et al.
patent: 3677744 (1972-07-01), Yamamura et al.
patent: 3837847 (1974-09-01), Bieber
patent: 3856515 (1974-12-01), Barandis et al.
patent: 3865644 (1975-02-01), Hellner et al.
patent: 4055448 (1977-10-01), Fugikura et al.
patent: 4119765 (1978-10-01), Pinnow et al.

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