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US RE38,316 E1Granted
α+β type titanium alloy, a titanium alloy strip, coil-rolling process of titanium alloy, and process for producing a cold-rolled titanium alloy strip
AssigneeKabushiki Kaisha Kobe Seiko Sho
InventorsHideto Oyama, Takayuki Kida, Kazumi Furutani, Masamitsu Fujii
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Abstract
A high strength and ductility α+β type titanium alloy, comprising at least one isomorphous β stabilizing element in a Mo equivalence of 2.0-4.5 mass %, at least one eutectic β stabilizing element in an Fe equivalence of 0.3-2.0 mass %, and Si in an amount of 0.1-1.5 mass %, and optionally comprising C in an amount of 0.01-0.15% mass.
Claims8
An α+β titanium alloy comprising:
- at least one isomorphous β stabilizing element in a Mo equivalence of 2.0-4.5 mass %,
- at least one eutectic β stabilizing element in an Fe equivalence of 0.3-2.0 mass %,
- Si in an amount of 0.1-1.5 mass %, and
- C in an amount of 0.01-0.15 mass %, and
- an Al equivalence of more than 3 mass % and not more than 5.5 mass %.
2 more elements
Dependencies are inferred from the claim text.