TA18

Brief

TA18 Composition and Design

• Nominal Composition: Ti-3Al-2.5V
• Alloy Type: Near-alpha titanium alloy
• Development Purpose: Designed for cold-workable tubing

Mechanical Properties

• Strength: 20%-50% higher than pure titanium at room and high temperatures
• Weldability: Comparable to TC4 alloy
• Cold Forming Ability: Comparable to TC4 alloy
• Maximum Operating Temperature: Approximately 315°C
• Elastic Modulus at Room Temperature: 118-123 GPa
• Hardness: 15-17 HRC

Physical Properties

• Density: 4.47 g/cm³
• Phase Transition Temperature: 925°C

Applications

• Aerospace Industry: Widely used in military and civilian aircraft and spacecraft due to excellent cold working properties
• Seamless Tubing: Commonly used for making seamless tubes essential in aerospace applications

Advantages of TA18

• Higher Strength: Offers significantly higher strength than pure titanium, making it suitable for demanding applications
• Excellent Cold Workability: Facilitates the manufacturing process of components that require significant deformation
• Good Weldability: Ensures reliable and robust joint formation, essential for structural integrity in aerospace applications