Grade 2 Titanium is the most widely utilized of the four commercially pure (CP) titanium grades, earning its reputation as the "workhorse" of the CP family. It offers a unique combination of moderate strength, excellent ductility, and superior corrosion resistance, making it an indispensable material across a vast range of industrial applications.
Excellent resistance to highly corrosive environments, including chlorides, oxidizing acids, and alkaline media. It is a preferred choice for seawater and chemical processing applications.
With good ductility, Grade 2 is highly formable and easily cold-worked. It possesses excellent weldability, allowing for complex fabrication with standard techniques.
While only offering moderate strength, its low density provides a high strength-to-weight ratio, crucial for weight-sensitive applications in aerospace and automotive industries.
The balanced properties of Grade 2 Titanium allow it to thrive in demanding environments where other materials fail. Its primary uses include:
Chemical Process Industry (CPI): Heat exchangers, condenser tubing, piping systems, and vessels due to its resistance to corrosive chemicals.
Marine & Offshore: Components exposed to seawater and brine, such as subsea equipment and pickling baskets.
Aerospace & Airframe: Non-structural airframe components where moderate strength and light weight are required.
Medical: Components for non-implantable medical devices and equipment.
Fasteners: Production of high-performance bolts, nuts, and other industrial fasteners.
Below are the typical mechanical properties and the chemical composition for Commercially Pure Titanium Grade 2 (UNS R50400). These specifications ensure the material meets the requirements for critical industrial use.
| Property | Metric Value | Imperial Value |
|---|---|---|
| Tensile Strength, min. | 345 MPa | 50,000 psi |
| Yield Strength (0.2% offset), min. | 275 MPa | 40,000 psi |
| Elongation in 4D, min. | 20% | 20% |
| Density | 4.51 g/cm³ | 0.163 lb/in³ |
| Element | Max. Percentage (%) |
|---|---|
| Nitrogen (N) | 0.03 |
| Carbon (C) | 0.08 |
| Hydrogen (H) | 0.015 |
| Iron (Fe) | 0.30 |
| Oxygen (O) | 0.25 |
| Titanium (Ti) | Balance |
Grade 2 sits between Grade 1 (highest ductility, lowest strength) and Grade 3 (moderate strength, good ductility) and Grade 4 (highest strength, lowest ductility). This positioning makes Grade 2 the ideal compromise for applications requiring a balance of strength and excellent formability.
Note: The specifications provided are typical and for informational purposes only. Actual material properties may vary based on product form, size, and manufacturing process. Always refer to the specific material certification for final engineering decisions.
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