Abstract: This titanium alloy sheet contains predetermined chemical components, an area ratio of an ?-phase is 80% or more, an area ratio of the ?-phase having an equivalent circle diameter of 1 ?m or more is more than 53%, and in a (0001) pole figure in a sheet thickness direction, an angle formed between the sheet thickness direction and a direction indicating a peak of intensity calculated by texture analysis in a case in which a series rank is 16 and the Gaussian half width is 5° for an inverse pole figure using a spherical harmonics method of an electron backscatter diffraction method is 65° or less, and the average sheet thickness is 2.5 mm or less.

Abstract: A titanium alloy thin sheet contains specific chemical components, in which, when a crystal orientation of an ?-phase is expressed by an Euler angle g={?1, ?, ?2} according to Bunge's notation method, the orientation with maximum intensity expressed by a crystal orientation distribution function f(g) calculated with Series Rank of 16 and a Gaussian half width of 5° in texture analysis using a spherical harmonics method of an electron backscatter diffraction method is in the range of ?1: 0 to 30°, ?: 60 to 90°, and ?2: 0 to 60°, and a degree of accumulation of the orientation with maximum intensity is 10.0 or more, a 0.2% proof stress in a sheet width direction at 25° C. is 800 MPa or more, a Young's modulus in the sheet width direction is 125 GPa or more, and an average sheet thickness is 2.5 mm or less.

Abstract: A titanium plate includes a chemical composition of industrial pure titanium, in which an arithmetic mean roughness Ra of a surface is 0.05 ?m or more and 0.40 ?m or less, the surface has titanium carbide regarding which a ratio between a total sum of integrated intensities Ic derived from the titanium carbide and a total sum of integrated intensities Im of all diffraction peaks derived from the titanium carbide and titanium obtained from X-ray diffractometry ((Ic/Im)×100) is 0.8% or more and 5.0% or less, a number density of asperities on the surface is 30 to 100 pieces/mm, and an average spacing of the asperities is 20 ?m or less.

Abstract: A titanium sheet including the following chemical components in mass %: Cu: 0.70 to 1.50%, Cr: 0 to 0.40%, Mn: 0 to 0.50%, Si: 0.10 to 0.30%, O: 0 to 0.10%, Fe: 0 to 0.06%, N: 0 to 0.03%, C: 0 to 0.08%, H: 0 to 0.013%, elements except the above and Ti: 0 to 0.1% each, with a total amount of the elements being 0.3% or less, and the balance: Ti, wherein A value defined by Formula (1) is 1.15 to 2.5 mass %, and the titanium sheet having a metal microstructure in which an area fraction of an ? phase is 95% or more, an area fraction of a ? phase is 5% or less, and an area fraction of an intermetallic compound is 1% or less, wherein an average crystal grain size D (?m) of the ? phase is 20 to 70 ?m and satisfies Formula (2).

Abstract: A titanium alloy material contains: in mass %, Cu: 0.7% to 1.4%; Sn: 0.5% to 1.5%; Si: 0.10% to 0.45%; Nb: 0.05% to 0.50%; Fe: 0.00% to 0.08%; O: 0.00% to 0.08%; and the balance composed of Ti and impurities, in which in a structure, an area fraction of an ? phase is 96.0% or more and an area fraction of an intermetallic compound is 1.0% or more, and an average crystal grain size of the ? phase is 10 ?m or more and 100 ?m or less and an average grain size of the intermetallic compound is 0.1 to 3.0 ?m.

Abstract: A titanium plate includes a chemical composition of industrial pure titanium, in which an arithmetic mean roughness Ra of a surface is 0.05 ?m or more and 0.40 ?m or less, the surface has titanium carbide regarding which a ratio between a total sum of integrated intensities Ic derived from the titanium carbide and a total sum of integrated intensities Im of all diffraction peaks derived from the titanium carbide and titanium obtained from X-ray diffractometry ((Ic/Im)×100) is 0.8% or more and 5.0% or less, a number density of asperities on the surface is 30 to 100 pieces/mm, and an average spacing of the asperities is 20 ?m or less.

Abstract: A titanium sheet including the following chemical components in mass %: Cu: 0.70 to 1.50%, Cr: 0 to 0.40%, Mn: 0 to 0.50%, Si: 0.10 to 0.30%, O: 0 to 0.10%, Fe: 0 to 0.06%, N: 0 to 0.03%, C: 0 to 0.08%, H: 0 to 0.013%, elements except the above and Ti: 0 to 0.1% each, with a total amount of the elements being 0.3% or less, and the balance: Ti, wherein A value defined by Formula (1) is 1.15 to 2.5 mass %, and the titanium sheet having a metal microstructure in which an area fraction of an ? phase is 95% or more, an area fraction of a ? phase is 5% or less, and an area fraction of an intermetallic compound is 1% or less, wherein an average crystal grain size D (?m) of the ? phase is 20 to 70 ?m and satisfies Formula (2).

Abstract: A titanium alloy material contains: in mass %, Cu: 0.7% to 1.4%; Sn: 0.5% to 1.5%; Si: 0.10% to 0.45%; Nb: 0.05% to 0.50%; Fe: 0.00% to 0.08%; O: 0.00% to 0.08%; and the balance composed of Ti and impurities, in which in a structure, an area fraction of an ? phase is 96.0% or more and an area fraction of an intermetallic compound is 1.0% or more, and an average crystal grain size of the ? phase is 10 ?m or more and 100 ?m or less and an average grain size of the intermetallic compound is 0.1 to 3.0 ?m.

Abstract: A titanium plate is provided in which a Vickers hardness Hv0.025 at a load of 0.245 N at a surface is 150 or less, and an average length of the profile elements RSm is 80 ?m or less and a maximum height Rz is less than 1.5 ?m, RSm and Rz being as defined in JIS B 0601: 2013. The titanium plate has good surface deformability.

Abstract: A titanium sheet has a chemical composition containing, in mass %, Cu: 0.1 to 1.0%, Ni: 0.01 to 0.20%, Fe: 0.01 to 0.10%, O: 0.01 to 0.10%, Cr: 0 to 0.20%, the balance: Ti and unavoidable impurities, and satisfying 0.04?0.3Cu+Ni?0.44%. The average grain size of ? phase is 15 ?m or larger, and an intermetallic compound of Cu and/or Ni, and Ti is at 2.0 volume % or less. This titanium sheet has excellent workability and high strength.

Abstract: A titanium sheet having a sheet thickness of 0.2 mm or less and including a hardened layer on a surface, the titanium sheet including a chemical composition containing, in mass percent: Fe: 0.001 to 0.08%; and O: 0.03 to 0.08%, wherein a grain size satisfies following Formulas (1) to (3), a thickness of the hardened layer is 0.1 to 2.0 ?m. The titanium sheet has both a sufficient strength and an excellent workability. Formulas (1) to (3) are dave?2.5 (1), t/dave?3.0 (2), and t/dmax—1.5 (3), where, in Formulas (1) to (3), t denotes the sheet thickness (?m), dave denotes an average grain size (?m), and dmax denotes a maximum grain size (?m).

Abstract: A titanium plate is provided in which a Vickers hardness Hv0.025 at a load of 0.245 N at a surface is 150 or less, and an average length of the profile elements RSm is 80 ?m or less and a maximum height Rz is less than 1.5 ?m, RSm and Rz being as defined in JIS B 0601: 2013. The titanium plate has good surface deformability.

Abstract: A titanium sheet has a chemical composition containing, in mass %, Cu: 0.1 to 1.0%, Ni: 0.01 to 0.20%, Fe: 0.01 to 0.10%, O: 0.01 to 0.10%, Cr: 0 to 0.20%, the balance: Ti and unavoidable impurities, and satisfying 0.04?0.3Cu+Ni?0.44%. The average grain size of ? phase is 15 ?m or larger, and an intermetallic compound of Cu and/or Ni, and Ti is at 2.0 volume % or less. This titanium sheet has excellent workability and high strength.

Abstract: A titanium thin sheet of 0.2 mm or less in thickness, containing: Fe of 0.1 mass % or less and O (oxygen) of 0.1 mass % or less in a bulk, wherein a sheet thickness (mm)/a grain size (mm) ?3, and the grain size ?2.5 ?m are satisfied, and a hardened layer is included at a surface, and a region of the hardened layer is a depth of 200 nm or more and 2 ?m or less from the surface. The titanium thin sheet is supplied with excellent workability and high surface hardness, and is able to be suitably used for various purposes such as, for example, acoustic components (a speaker vibration plate and so on).