Titanium Grade 17

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Update time : 2024-07-18

Titanium Grade 17, also known as Ti-0.2Pd, is a titanium alloy that includes 0.2% palladium. This alloy is primarily known for its excellent corrosion resistance, particularly in reducing and mildly oxidizing environments. Here are the key characteristics and typical applications of Grade 17 Titanium:


Ⅰ. Key Characteristics


① Composition: Alloyed with 0.2% palladium.

② Corrosion Resistance: Excellent resistance to corrosion in various environments, including seawater, chlorides, and acidic solutions, due to the addition of palladium.

③ Strength: Moderate strength, comparable to commercially pure titanium grades.

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 in environments where corrosion resistance to acids, chlorides, and other corrosive chemicals is crucial.

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

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

④ Electronics: Utilized in electronic components and devices where corrosion resistance and lightweight properties are advantageous.

⑤ Aerospace: Potentially used in aerospace applications where corrosion resistance and moderate strength are required in specific components.


Ⅲ. Physical and Mechanical Properties


① Density: Approximately 4.51 g/cm³

② Tensile Strength: Similar to Grade 1 Titanium, around 240 MPa (35 ksi)

③ Yield Strength: Approximately 170 MPa (25 ksi)

④ Elongation: About 24% in 2 inches

⑤ Modulus of Elasticity: 105 GPa (15.2 Msi)



Grade 17 Titanium (Ti-0.2Pd) is chosen for applications where superior corrosion resistance is crucial, particularly in chemical processing, marine environments, and certain aerospace and medical applications. The addition of palladium enhances its performance in aggressive environments, making it suitable for diverse industrial and specialized uses.


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