Grade 6 Titanium, also known as Ti-5Al-2.5Sn, is an alpha titanium alloy known for its excellent strength, good corrosion resistance, and stability at elevated temperatures. Here are some key characteristics and typical applications of Grade 6 Titanium:

Ⅰ. Key Characteristics

① Composition: Alloyed with 5% aluminum and 2.5% tin.

② Strength: Provides good strength and stability, particularly at high temperatures.

③ Corrosion Resistance: Excellent resistance to various corrosive environments, including seawater and chemicals.

④ Heat Resistance: Good performance at elevated temperatures, maintaining mechanical properties.

⑤ Weldability: Good weldability, making it suitable for various fabrication processes.

⑥ Ductility: Good ductility, which allows for ease of fabrication and forming.

⑦ Creep Resistance: Exhibits good creep resistance, which is the ability to resist deformation under long-term stress at high temperatures.

Ⅱ. Typical Applications

① Aerospace: Used in aircraft and spacecraft components, such as airframe structures and engine parts, where high temperature stability and strength are required.

② Chemical Processing: Employed in chemical processing equipment, such as heat exchangers and reactors, due to its corrosion resistance.

③ Marine: Suitable for marine applications, including submarine hulls and underwater connectors, due to its resistance to seawater.

④ Power Generation: Used in power generation equipment, particularly in applications where high temperature stability is crucial.

⑤ Industrial: Utilized in various industrial applications, such as valves, pumps, and high-performance fasteners, where both strength and corrosion resistance are needed.

Ⅲ. Physical and Mechanical Properties

① Density: Approximately 4.43 g/cm³

② Tensile Strength: Around 860 MPa (125 ksi)

③ Yield Strength: Approximately 795 MPa (115 ksi)

④ Elongation: About 15% in 2 inches

⑤ Modulus of Elasticity: 105 GPa (15.2 Msi)

Grade 6 Titanium (Ti-5Al-2.5Sn) is favored for its ability to maintain strength and stability at elevated temperatures, combined with good corrosion resistance and ductility. It is a versatile material used in demanding environments where these properties are essential.