Alloys or metallic compositions – Chromium base
Patent
1992-02-11
1993-08-17
Rosenberg, Peter D.
Alloys or metallic compositions
Chromium base
C22F 110, C22F 111
Patent
active
052366618
ABSTRACT:
A chromium weld material comprising chromium as a main component and either one of or an appropriate combination of elements selected from the group IVb metals of the periodic table, Al, metals belonging to the groups VIIb, VIII, and Ib of the periodic table, Nb, and Ta and, if desired, at least one of rare earth elements, a chromium rolled article comprising chromium as a main component and either one of or an appropriate combination of elements selected from Al, Ti, Zr, Hf, Y, rare earth elements, and elements belonging to the groups Vb, VIb, and VIIb of the periodic table, and a process for producing said rolled article by cross-rolling under specific temperature and output rate conditions are disclosed. The weld material provides a weld free from deterioration of mechanical characteristics. The rolled article exhibits excellent tensile characteristics. The process provides a rolled sheet of small thickness without causing craking.
REFERENCES:
patent: 2809127 (1957-10-01), Gibson
patent: 3560202 (1971-02-01), Kawamoto
patent: 3811960 (1974-05-01), Parry
Hanawa Koichi
Hidaka Hiroaki
Kuniya Tsutomu
Oikawa Tomoyuki
Rosenberg Peter D.
Tosoh Corporation
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