Titanium Grade 9 Round Bar Ti-3Al-2.5V– ( UNS R56320 )
Titanium Grade 9 Round Bar, also known as Ti-3Al-2.5V, is a near-alpha titanium alloy that offers an excellent balance of moderate strength, outstanding corrosion resistance, and superior formability. Often referred to as the “half-6-4 alloy,” it provides higher strength than commercially pure titanium while maintaining excellent weldability, making it ideal for aerospace, marine, and industrial applications.
Key Features
- Higher strength than Grades 1–4 CP titanium
- Excellent corrosion resistance in marine and chemical environments
- Superior weldability and cold formability
- Lightweight with high fatigue resistance
- Non-magnetic and biocompatible
- Good performance at elevated temperatures
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | R56320 |
| ASTM | Grade 9 |
| AMS | 4943 |
| ISO | Ti-3Al-2.5V |
| DIN | 3.7195 |
Sizes
- Diameter: 3 mm to 300 mm
- Length: Random, Cut Length, or as per customer requirement
Titanium Grade 9 Ti-3Al-2.5V Chemical Composition
| Element | Percentage (%) |
|---|---|
| Titanium (Ti) | Balance |
| Aluminum (Al) | 2.5 – 3.5 |
| Vanadium (V) | 2.0 – 3.0 |
| Iron (Fe) | ≤ 0.25 |
| Oxygen (O) | ≤ 0.15 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.03 |
| Hydrogen (H) | ≤ 0.015 |
UNS R56320 Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 620 MPa |
| Yield Strength (0.2%) | ≥ 483 MPa |
| Elongation | ≥ 15% |
| Hardness | ~ 220 HB |
Ti-3Al-2.5V Physical Properties
| Property | Value |
|---|---|
| Density | 4.48 g/cm³ |
| Melting Point | 1600 – 1660 °C |
| Modulus of Elasticity | 110 GPa |
| Thermal Conductivity | 7.0 W/m·K |
Types of Titanium Grade 9 Round Bar
- Annealed Titanium Grade 9 Round Bar
- Cold Drawn Ti-3Al-2.5V Round Bar
- Hot Rolled Titanium Gr 9 Bar
- Precision Machined Titanium Grade 9 Bar
Applications
- Aerospace tubing and structural components
- Marine and offshore hardware
- Chemical processing equipment
- Heat exchangers and condensers
- Bicycle frames and sporting goods
- Oil & gas industry components
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