Titanium Grade 12, also known as Ti-0.3-Mo-0.8Ni, is a titanium alloy that includes 0.3% molybdenum and 0.8% nickel. This alloy offers enhanced corrosion resistance, particularly in reducing environments, along with good weldability and moderate strength. Here are the key characteristics and typical applications of Grade 12 Titanium:

Ⅰ. Key Characteristics

① Composition: Alloyed with 0.3% molybdenum and 0.8% nickel.

② Corrosion Resistance: Excellent resistance to corrosion, especially in reducing environments such as sulfuric acid and other acidic solutions.

③ Strength: Moderate strength, comparable to Grade 2 titanium.

④ Weldability: Good weldability, suitable for various fabrication processes.

⑤ Ductility: Good ductility, allowing for ease of forming and shaping.

⑥ Biocompatibility: Non-toxic and biocompatible, suitable for medical applications.

Ⅱ. Typical Applications

① Chemical Processing: Used in chemical processing equipment, particularly where resistance to sulfuric acid and other corrosive chemicals is required.

② Marine: Suitable for marine applications, including seawater piping and fittings, due to its corrosion resistance.

③ Medical: Used in medical implants and devices where biocompatibility and corrosion resistance are essential.

④ Aerospace: Used in aerospace applications where corrosion resistance and moderate strength are required in specific components.

⑤ Industrial: Employed in industrial applications such as heat exchangers, desalination plants, and offshore oil rigs where corrosion resistance is critical.

Ⅲ. Physical and Mechanical Properties

① Density: Approximately 4.51 g/cm³

② Tensile Strength: Similar to Grade 2 Titanium, around 345 MPa (50 ksi)

③ Yield Strength: Approximately 275 MPa (40 ksi)

④ Elongation: About 20% in 2 inches

⑤ Modulus of Elasticity: 105 GPa (15.2 Msi)

Grade 12 Titanium (Ti-0.3-Mo-0.8Ni) is valued for its superior corrosion resistance in harsh chemical environments, making it suitable for a variety of applications where corrosion protection and durability are crucial factors.