Tube, bar, sheet or strip made from zirconium alloy resistant bo

Details Tube, bar, sheet or strip made from zirconium alloy resistant bo Tube, bar, sheet or strip made from zirconium alloy resistant bo

1988-12-06

1991-01-01

Roy, Upendra

Metal treatment

Compositions

Heat treating

148 115Q, 148421, 420422, C22C 1600, C21D 126

Patent

active

049815270

ABSTRACT:
The invention relates to a tube, bar, sheet or strip resistant both to uniform and nodular corrosion, of a zirconium-base alloy of a composition (% by weight) of Fe 0.1 to 0.35, V 0.07 to 0.4, Q 0.05 to 0.3, Sn below 0.25, Nb below 0.25, trace impurities and balance Zr. The invention also relates to a process for producing these products which have a greatly increased service life. It also relates to composite tube having an internal and/or external alloy sheathing.

REFERENCES:
patent: 3148055 (1964-09-01), Kass et al.
patent: 3963534 (1976-06-01), Frenkel et al.
patent: 4212686 (1980-07-01), Lunde et al.
patent: 4649023 (1987-03-01), Sabol et al.
patent: 4671826 (1987-06-01), Prizzi
patent: 4678521 (1987-07-01), Yoshida et al.
patent: 4775508 (1988-10-01), Sabol et al.

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