Research and Application Progress of High Strength and High Toughness Titanium Alloy TB15 (BTi-6554)
 
Jixiong Liu
 
Baotai Group Co., Ltd,
No.1 Ticheng Road, Baoji City, Shaanxi Province, China
 
The nominal composition of TB15 (BTi-6554) alloy is Ti-4Al-5Mo-5V-6Cr, which is the latest one successfully developed by Baoti Group β Type I titanium alloy has the characteristics of good strength plasticity toughness comprehensive matching performance, wide strength plasticity adjustment range, and good hot workability. The strength can reach 1590MPa with 6.5% elongation. It is applicable to the production of various forms of processing materials such as plates, pipes, bars, forgings, wires and rings. It can be used as materials for structural parts in aerospace, weapons, ships and other industries. It has successively provided scientific research and test materials for different industries such as aerospace fasteners, a warhead of weapons, submarine cable ducts, armor plates, and first-class equation racing springs.