Introduction About Titanium 6Al4V Eli

Ti6Al4V ELI titanium alloy is popular used in the biomedical and medical fields. Whether it’s for artificial joints, bone plates or dental implants, Ti6Al4V ELI is one of the materials of choice for medical implants due to its superior performance. However, you may would like to know: What is Ti6Al4V ELI titanium? What is it different from the common Ti6Al4V (Grade 5 titanium)? Why is Ti6Al4V ELI preferred in the medical field? This Blog will unravel the mystery of Ti6Al4V ELI and provide insight into its unique features and its irreplaceability in medical applications.

What is Ti6Al4V Eli?

Ti 6Al 4V ELI titanium alloy is a high-purity version of Ti6Al4V, the “ELI” in its name being Extra Low Interstitial. Compared to regular Ti6Al4V, Ti 6Al 4V ELI is significantly purer due to the strict control of interstitial elements such as oxygen, nitrogen, carbon and iron. This high purity is achieved through rigorous selection of ingot raw materials and precision machining in accordance with ASTM F136. The unique composition of Ti 6Al 4V ELI provides excellent ductility, outstanding fracture toughness, and superior low-temperature mechanical properties.

Chemical Composition

Physical Properties

Mechanical Properties

Ti 6Al 4VEli VS Ti 6Al 4V

Interstitial Element Content

The interstitial elements such as oxygen, nitrogen and hydrogen are lower in Ti6Al4V Eli than in Ti6Al4V.

Ductility

Ti6Al4V ELI is more ductile than Ti6Al4V and can withstand high stress and high impact loads.

Fracture Toughness and Fatigue Resistance

Ti6Al4V ELI has higher fracture toughness and fatigue resistance than Ti6Al4V.

Weldability

Both Ti6Al4V ELI and Ti6Al4V can be welded, but Ti6Al4V ELI has better weld zone toughness than Ti6Al4V due to lower gap element content and less interference.

Cost

From raw materials to the production process, Ti6Al4V Eli controls the whole process more strictly than Ti6Al4V, so the cost is also higher.

Application

Ti6Al4V ELI (Extra Low Interstitial) has become an ideal material choice for many high-end fields due to its excellent mechanical properties and biocompatibility. In addition to a wide range of applications in the medical field, such as orthopedic implants, dental implants and surgical instruments, Ti6Al4V ELI is also used in below:

• Aircraft engine components
• Landing gear and fuselage structural materials
• High-end racing cars and new energy vehicles in the key components
• Deep-sea equipment and ship components, bridges
• High-rise buildings and special structures are to take full advantage

Conclusion

Ti6Al4V ELI is an upgraded titanium grade of Ti6Al4V, designed for application scenarios where higher performance is sought. While the two are very similar in terms of chemical composition and basic mechanical properties, Ti6Al4V ELI significantly improves toughness and fatigue strength by tightly controlling the interstitial element content, allowing it to perform even better under extreme conditions.

If toughness, fatigue resistance, and long-term reliability are what you’re looking for, Ti6Al4V ELI ASTM F136 is the ideal choice. We specialize in the production and supply of high quality titanium alloy products, and can offer you the following Ti6Al4V ELI products:

• Ti6Al4V ELI Titanium Sheet
• Ti6Al4V ELI Titanium Bar
• Ti6Al4V ELI Titanium Disc
• Ti6Al4V ELI Titanium Wire

In addition, if you need other titanium grades or customized services, we are always ready to welcome your inquiries.