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US 2026/0265870 A1Published application
Alpha+beta type titanium alloy and method for producing same
AssigneeDaido Steel Co., Ltd.
InventorsAtsuhiro SHIMIZU, Yoshihiko KOYANAGI, Daisuke KUDO
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Abstract
The present invention relates to an α+β type titanium alloy according to the present invention includes: 3.0 mass %≤Al≤5.4 mass %; 2.5 mass %≤V≤6.0 mass %; 1.5 mass %≤Cr≤7.0 mass %; and 0.05 mass %≤Fe≤3.0 mass %, with the balance being Ti and unavoidable impurities, and has a β transformation temperature Tβ of 880° C. or lower.
Claims9
An α+β type titanium alloy, consisting of:
- 3.
- mass
-
- %
- ≤
- Al
- ≤
- 5.4
- mass
-
- %
- ;
- 2.5
- mass
-
- %
- ≤
- V
- ≤
- 6.
- mass
-
- %
- ;
- 1.5
- mass
-
- %
- ≤
- Cr
- ≤
- 7.
- mass
-
- %
- ;
- 0.05
- mass
-
- %
- ≤
- Fe
- ≤
- 3.
- mass
-
- %
- ;
- and
- optionally at least one of:
- Sn
- ≤
- 0.5
- mass
-
- %
- ;
- Zr
- ≤
- 0.5
- mass
-
- %
- ;
- Mo
- ≤
- 0.5
- mass
-
- %
- ;
- Nb
- ≤
- 0.5
- mass
-
- %
- ;
- Ta
- ≤
- 0.5
- mass
-
- %
- ;
- Ni
- ≤
- 0.15
- mass
-
- %
- ;
- Mn
- ≤
- 0.25
- mass
-
- %
- ;
- B
- ≤
- 0.2
- mass
-
- %
- ;
- Si
- ≤
- 0.3
- mass
-
- %
- ;
- O
- ≤
- 0.4
- mass
-
- %
- ;
- N
- ≤
- 0.1
- mass
-
- %
- ;
- H
- ≤
- 0.1
- mass
-
- %
- ;
- and
- C
- ≤
- 0.2
- mass
-
- %
- ,
- with the balance being Ti and unavoidable impurities, and
- having a β transformation temperature Tβ of 880° C. or lower.
141 more elements
Dependencies are inferred from the claim text.