Titanium cast product for hot rolling unlikely to exhibit surface defects and method of manufacturing the same

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United States of America Patent

PATENT NO 11504765
APP PUB NO 20170304891A1
SERIAL NO

15513355

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Importance

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Abstract

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Provided is a titanium cast product for hot rolling made of commercially pure titanium, the titanium cast product including a melted and resolidified layer in a range of more than or equal to 1 mm in depth on a surface serving as a rolling surface, the melted and resolidified layer being obtained by adding one or more elements out of any one of or both of at least one α stabilizer element and at least one neutral element to the surface, and melting and resolidifying the surface. An average value of a total concentration of the at least one α stabilizer element and the at least one neutral element in the range of more than or equal to 1 mm in depth is higher than a total concentration of the at least one α stabilizer element and the at least one neutral element in a base metal by, in mass %, more than or equal to 0.1% and less than 2.0%.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATION6-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8071

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Hideki Tokyo, JP 140 728
Kunieda, Tomonori Tokyo, JP 19 29
Tatsuzawa, Yoshitsugu Tokyo, JP 10 17

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