TITANIUM SLAB FOR HOT ROLLING AND METHOD FOR MANUFACTURING SAME

Title:

TITANIUM SLAB FOR HOT ROLLING AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2014/163089

Kind Code:

A1

Abstract:

A titanium slab for hot rolling, made from an industrial pure titanium, wherein a structural refinement layer comprising an acicular structure is present on the outermost surface of the surface representing the rolling surface, an inside structural refinement layer comprising an acicular structure is present on the inside of the structural refinement layer, and a casting solidification structure is present further inward from the inside structural refinement layer, the structural refinement layer being more refined than the inside structural refinement layer, the structural refinement layer being present at a depth in a range of 1 mm to less than 6 mm from the surface, and the inside structural refinement layer being present on the inside of the structural refinement layer and at a depth in a range of 3 mm to 20 mm from the surface.

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Inventors:

FUJII HIDEKI (JP)
KUNIEDA TOMONORI (JP)
TATSUZAWA YOSHITSUGU (JP)
MORI KENICHI (JP)
TAKAHASHI KAZUHIRO (JP)

Application Number:

PCT/JP2014/059663

Publication Date:

October 09, 2014

Filing Date:

April 01, 2014

Export Citation:

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Assignee:

NIPPON STEEL & SUMITOMO METAL CORP (JP)

International Classes:

C23C26/00; B21B3/00; B22D21/06; C22C14/00

Domestic Patent References:

WO2010090352A1

2010-08-12

Foreign References:

JP2007332420A	2007-12-27
JP2007084855A	2007-04-05
JPH09314278A	1997-12-09
JP2007332420A	2007-12-27

Other References: