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United States of America

PATENT NO 12065718
SERIAL NO

17432129

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Abstract

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A bar includes a titanium alloy containing an α phase and a β phase, in which the titanium alloy contains, as a chemical composition, by mass %: Al: 4.5% to 6.4%; Fe: 0.5% to 2.1%; C: 0.01% or less; N: 0.05% or less; O: 0.25% or less; V: 0.10% or less; Si: 0% to 0.40%; Ni: 0% to 0.15%; Cr: 0% to 0.25%; Mn: 0% to 0.25%; and a remainder including Ti and impurities, an area ratio of the β phase in a metallographic structure of the titanium alloy is 20% or less, and an average minor axis length of grains of the β phase is 2.0 μm or less.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kunieda, Tomonori Tokyo, JP 19 29
Miyoshi, Ryotaro Tokyo, JP 2 2
Takahashi, Kazuhiro Tokyo, JP 419 3644

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