&agr;+&bgr; type titanium alloy, a titanium alloy strip, coil-rolling process of titanium alloy, and process for producing a cold-rolled titanium alloy strip

USRE38316E1 · kind E1 · reissue

Assignee

• Kabushiki Kaisha Kobe Seiko Sho · JP

Inventors

• Hideto Oyama · Takasago, JP
• Takayuki Kida · Higashiosaka, JP
• Kazumi Furutani · Takasago, JP
• Masamitsu Fujii · Tokyo, JP

Key dates

• Filing date: Jan 29, 2002
• Grant date: Nov 18, 2003
• Expiry date: Jan 29, 2022

Classification

• Technology area (CPC —): General

Abstract

A high strength and ductility &agr;+&bgr; type titanium alloy, comprising at least one isomorphous &bgr; stabilizing element in a Mo equivalence of 2.0-4.5 mass %, at least one eutectic &bgr; 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.