Titanium Grade 23 Round Bar (Ti-6Al-4V ELI) – UNS R56401
Titanium Grade 23 Round Bar, also known as Ti-6Al-4V ELI (Extra Low Interstitials), is a high-purity alpha-beta titanium alloy developed for applications requiring superior fracture toughness, fatigue resistance, and biocompatibility. It offers mechanical properties similar to Grade 5, with improved ductility and damage tolerance, making it the preferred choice for medical, aerospace, and high-performance engineering applications.
Key Features
- Extra-low interstitial content for enhanced toughness
- Excellent fatigue strength and fracture resistance
- Outstanding corrosion resistance
- Superior biocompatibility for medical use
- Heat treatable with excellent weldability
- Lightweight and non-magnetic
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | R56401 |
| ASTM | Grade 23 |
| AMS | 4930 |
| ISO | Ti-6Al-4V ELI |
| DIN | 3.7165 ELI |
Sizes
- Diameter: 3 mm to 300 mm
- Length: Random, Cut Length, or as per customer requirement
Titanium Grade 23 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Titanium (Ti) | Balance |
| Aluminum (Al) | 5.5 – 6.5 |
| Vanadium (V) | 3.5 – 4.5 |
| Oxygen (O) | ≤ 0.13 |
| Iron (Fe) | ≤ 0.25 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.05 |
| Hydrogen (H) | ≤ 0.012 |
Ti-6Al-4V ELI Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 860 MPa |
| Yield Strength (0.2%) | ≥ 795 MPa |
| Elongation | ≥ 10% |
| Hardness | ~ 330 HB |
UNS R56401 Physical Properties
| Property | Value |
|---|---|
| Density | 4.43 g/cm³ |
| Melting Point | 1604 – 1660 °C |
| Modulus of Elasticity | 113 GPa |
| Thermal Conductivity | 6.7 W/m·K |
Types of Titanium Grade 23 Round Bar
- Annealed Round Bar
- Solution Treated & Aged Grade 23 Bar
- Hot Rolled Titanium Gr 23 Bar
- Precision Machined Ti-6Al-4V ELI Bar
Applications
- Orthopedic and dental implants
- Surgical instruments
- Aerospace structural components
- High-performance automotive parts
- Marine and offshore applications
- Precision engineering components
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