Titanium Grade 38, also known as Ti-6Al-6V-2Sn, is a titanium alloy primarily composed of 6% aluminum, 6% vanadium, and 2% tin. This alloy is known for its high strength, toughness, and excellent corrosion resistance, particularly in marine environments. Here are the key characteristics and typical applications of Grade 38 Titanium:

Ⅰ. Key Characteristics

① Composition: Alloyed with approximately 6% aluminum, 6% vanadium, and 2% tin.

② Strength: High strength-to-weight ratio, superior to commercially pure titanium grades.

③ Corrosion Resistance: Excellent resistance to corrosion in seawater and other harsh environments.

④ Toughness: High toughness and fatigue resistance, suitable for applications subjected to dynamic loading.

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

⑥ Heat Treatment: Typically solution treated and aged to optimize mechanical properties.

⑦ Ductility: Good ductility, allowing for ease of forming and shaping.

Ⅱ. Typical Applications

① Marine: Widely used in marine applications such as seawater piping, offshore platforms, and marine hardware due to its excellent corrosion resistance.

② Aerospace: Utilized in aerospace components where high strength, lightweight, and corrosion resistance are critical, such as aircraft landing gear and structural components.

③ Industrial: Used in chemical processing equipment, oil and gas industry components, and power generation where corrosion resistance and high strength are crucial.

④ Biomedical: In some cases, used in biomedical applications requiring high strength and corrosion resistance.

Ⅲ. Physical and Mechanical Properties

① Density: Approximately 4.60 g/cm³

② Tensile Strength: Typically around 950-1100 MPa (137-160 ksi)

③ Yield Strength: Approximately 870-1000 MPa (126-145 ksi)

④ Elongation: About 10-15% in 2 inches

⑤ Modulus of Elasticity: 115 GPa (16.7 Msi)

Titanium Grade 38 (Ti-6Al-6V-2Sn) is a robust titanium alloy suitable for demanding applications where a combination of high strength, toughness, and corrosion resistance is required. Its use spans across marine, aerospace, industrial, and biomedical sectors, making it a versatile choice for various high-performance applications.