Titanium Grade 36, also known as Ti-45Nb, is a titanium alloy primarily composed of 45% niobium. This alloy is notable for its high strength and excellent biocompatibility, making it suitable for various medical and aerospace applications. Here are the key characteristics and typical applications of Grade 36 Titanium:

Ⅰ. Key Characteristics

① Composition: Alloyed with approximately 45% niobium.

② Biocompatibility: Excellent biocompatibility, making it suitable for medical implants and surgical instruments.

③ Strength: High tensile strength, significantly stronger than commercially pure titanium grades.

④ Corrosion Resistance: Good resistance to corrosion in physiological environments.

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

⑥ Ductility: Good ductility, allowing for ease of forming and shaping.

⑦ Fatigue Resistance: Good fatigue resistance, suitable for implants subjected to cyclic loading.

Ⅱ. Typical Applications

① Medical: Widely used in medical implants such as orthopedic implants (hip and knee replacements), dental implants, spinal implants, and surgical instruments due to its biocompatibility and high strength.

② Aerospace: Used in aerospace applications where high strength-to-weight ratio and corrosion resistance are required.

③ Industrial: Utilized in chemical processing equipment, oil and gas industry components, and marine hardware where corrosion resistance and high strength are critical.

Ⅲ. Physical and Mechanical Properties

① Density: Approximately 5.0 g/cm³

② Tensile Strength: Typically around 800-1000 MPa (116-145 ksi)

③ Yield Strength: Approximately 600-800 MPa (87-116 ksi)

④ Elongation: About 10-15% in 2 inches

⑤ Modulus of Elasticity: 105 GPa (15.2 Msi)

Titanium Grade 36 (Ti-45Nb) is a specialized titanium alloy primarily used in biomedical, aerospace, and industrial applications where a combination of high strength, biocompatibility, and corrosion resistance is essential. Its use is specific to industries requiring materials capable of withstanding physiological environments or demanding structural requirements.