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Product Introduction
Gr23 Ti 6AL4V ELI Medical Titanium Bar, also known as Ti-6Al-4V ELI titanium rods, correspond to the domestic grade TC4ELI. They are high-quality titanium alloy rods specially designed for the fields of surgical implants and medical devices. Due to their low impurity content and excellent performance, they have become one of the preferred materials for medical implants.
Chemical Composition Table of Gr23 Ti 6AL4V ELI Medical Titanium Bar
|
Element |
Content Range |
Remarks |
|
Titanium (Ti) |
Remainder |
Matrix of the alloy, ensuring basic biocompatibility and mechanical properties |
|
Aluminum (Al) |
5.5 - 6.5 |
Key alloying element that enhances the strength and hardness of the alloy to match the stress requirements of human bones |
|
Vanadium (V) |
3.5 - 4.5 |
Core alloying element that improves the toughness and processability of the alloy, while assisting in enhancing strength and avoiding excessive brittleness |
|
Oxygen (O) |
≤ 0.13 |
Interstitial impurity element; strict content control prevents reduction of alloy toughness and ensures stability under mechanical loads during human activities |
|
Iron (Fe) |
≤ 0.25 |
Impurity element; excessive content impairs corrosion resistance and biocompatibility of the alloy |
|
Carbon (C) |
≤ 0.08 |
Interstitial impurity; high content may form hard and brittle phases, affecting processability and post-implantation safety |
|
Nitrogen (N) |
≤ 0.03 |
Interstitial impurity element; excessive content tends to cause alloy embrittlement and reduce fatigue resistance, which is a critical requirement for medical-grade materials |
|
Hydrogen (H) |
≤ 0.0125 |
Ultra-low hydrogen content prevents hydrogen embrittlement of the alloy and avoids fracture risks of implants in human body fluid environment for long-term use |
|
Other residual elements |
Single ≤ 0.1, Total ≤ 0.4 |
No specific designated residual elements; strict total content limit further ensures material purity and medical safety |
Product feature
Excellent biocompatibility: Medical titanium rod has extremely strong compatibility with human tissues and blood. After being implanted in the human body, it will not cause obvious rejection reactions or inflammation, and can form a good combination state with bones, making it suitable for long-term retention in the body.
Outstanding mechanical properties: According to ASTM B348 standard, its minimum tensile strength reaches 828MPa, and the minimum yield strength is 759MPa. It also has good toughness and fatigue resistance, capable of withstanding the mechanical loads brought by bones and joints during human activities without easily breaking or deforming.
Strong corrosion resistance: In the complex electrolyte environment of human body fluids, it can effectively resist the erosion of body fluids and will not produce harmful substances due to corrosion to contaminate human tissues, ensuring long-term stability after implantation.
Product Application
Orthopedic implants:
They are the core manufacturing materials for artificial joints such as hip joints, knee joints, and elbow joints, and are also widely used in fracture repair and fixation devices such as bone plates, fixation screws, and orthopedic steel cables. They can also be used to make artificial vertebrae for spinal orthopedic correction.
In the field of dentistry:
It is suitable for processing into dental implants and is also a commonly used material for orthodontic appliances. It can meet the long-term use needs in the oral cavity and has little irritation to soft tissues such as the gums.
Other medical components:
They can be used to manufacture interventional medical devices such as pacemaker housings and artificial heart valves, and can also be processed into titanium mesh for plastic and repair surgeries on parts such as skulls.
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