Titanium Alloys for Aerospace

Alpha (α) Alloys

• TI CP Grade 1 – With the highest ductility and lowest strength among ASTM grades, this alloy is ideal for applications requiring extensive forming. Its exceptional purity makes it highly resistant to corrosion.
• TI CP Grade 2 – This grade strikes a perfect balance between strength and formability, with increased tolerances for iron and oxygen, making it a versatile choice for a broad range of aerospace applications.
• TI CP Grade 3 – Known for higher strength and oxygen tolerance compared to Grade 2, this grade is suited for applications that demand more robust mechanical properties.
• TI CP Grade 4 – The strongest of the commercially pure grades, it offers excellent ductility and mechanical properties at elevated temperatures, ideal for high-performance parts.
• Near-Alpha Alloys –
• TI 3AL-2.5V – This alloy is a prime choice when a balance between strength and formability is needed. It is used extensively in hydraulic systems and is highly effective for airframe applications due to its excellent resistance to stress and corrosion.

Alpha-Beta (α-β) Alloys

• TI 6AL-2SN-4ZR-2MO – Designed for high-temperature applications, this alloy has superior creep resistance and is optimal for components that operate under extreme stress.
• TI 6AL-4V – As the most widely used titanium alloy in aerospace, it provides an outstanding combination of high strength, toughness, and resistance to fatigue and corrosion.
• TI 6AL-4V ELI – With lower levels of impurities, this version offers superior fracture toughness and weldability, essential for critical structural applications.
• TI 6AL-6V-2SN – Offers a higher strength alternative to Ti 6Al-4V, with excellent durability and resistance to creep at intermediate temperatures.

Beta (β) Alloys

• TI 15V-3CR-3SN-3AL – Extremely versatile and heat-treatable to various mechanical properties, this alloy is known for its outstanding cold-formability, making it ideal for complex aerospace components.
• 3Al 8V 6Cr 4Mo 4Zr – This metastable Beta C TM alloy is often used for landing gear, springs, and fasteners.