alpha+beta type titanium alloy, a titanium alloy strip, coil-rolling process of titanium alloy, and process for producing a cold-rolled titanium alloy strip

摘要

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