Key Specifications
Grade 23 titanium plate is a high-performance titanium alloy plate made from Ti-6Al-4V ELI (Extra Low Interstitial). It is a modified version of Grade 5 titanium with lower oxygen, nitrogen, carbon, and iron limits, offering excellent fracture toughness, fatigue performance, and biocompatibility.
It is widely used in medical implants, aerospace components, and other applications requiring high strength, low weight, and high reliability.
Material Composition
|
Component |
Content |
|
Titanium (Ti) |
Balance |
|
Aluminum (Al) |
About 5.5%-6.5% |
|
Vanadium (V) |
around 3.5%-4.5% |
|
Nitrogen (N) |
≤ 0.05% |
| Oxygen (O) | ≤ 0.13% |
| Iron (Fe) | ≤ 0.13% |
Mechanical Properties
Typical values reported for annealed Grade 23 plate under AMS 4907-related data are shown below. Actual acceptance limits depend on thickness, orientation, and the governing specification.
|
Mechanical Properties |
Data |
|
Tensile Strength |
862–896 MPa |
|
Yield Strength |
793–827 MPa |
|
Elongation |
6–10% |
|
Modulus of Elasticity |
Approximately:114GPa (gigapascals) |
Applications
- Aerospace and aviation : Grade 23 titanium plate can be machined into lightweight structural components, brackets, and specialized aircraft parts. Its high strength-to-weight ratio and fracture toughness are valuable where reducing component weight while maintaining structural reliability is important.
- Medical and orthopedic implants :Grade 23 titanium plate is widely used to manufacture orthopedic fixation plates, bone screws, spinal fixation components, and other implantable medical devices. Its biocompatibility, fracture toughness, and resistance to corrosion in the body make it suitable for applications requiring reliable long-term performance. The material must meet the appropriate medical material specification, such as ASTM F136, when required.
- Marine and Chemical equipment: Titanium's natural corrosion resistance makes it attractive for selected seawater-handling equipment, chemical processing components, and corrosion-resistant structures. Grade 23 can be considered when its mechanical properties or material requirements are beneficial, although commercially pure titanium or other grades may be more economical for some applications.
- Industrial: .Grade 23 titanium plate can be used for specialized engineering components where fatigue performance, fracture toughness, low weight, and material traceability are important. The final selection depends on design loads, manufacturing methods, and applicable certification requirements.
Thickness Range
Typically available in thicknesses ranging from 1.0mm to 100 mm (or more), depending on the manufacturer's capabilities and the specific application.
Surface Finish
Annealed
The plates can be supplied in an annealed (heat-treated) condition for better workability and stress relief.
Polished or Matte
The surface finish can vary from polished to matte, depending on the intended use and customer specifications.
Oxidized
A light oxide layer may form on the surface, offering some added resistance to wear and corrosion.
Form
The plates are typically supplied in flat, rectangular form with precise dimensions and edges.
Custom sizes and cuts can also be made depending on specific requirements.
Heat Treatment
TI6AL4VEli (GR23)plate can undergo heat treatment processes such as annealing or solution treating and aging to improve its mechanical properties. The material is often supplied in the annealed condition for better machinability, but it can be further heat-treated for increased strength or hardness.
Corrosion Resistance
- Exceptional resistance to corrosion, particularly in seawater, acidic environments, and exposure to high temperatures.
- It forms a passive oxide layer on its surface that further enhances its corrosion resistance, especially in body fluids, making it suitable for medical implants.
Weldability
Gr23 (TI6AL4VEli ) titanium plate is generally weldable with appropriate precautions, though care should be taken to avoid contamination, and welding should be done under controlled conditions to avoid embrittlement.
Conclusion
Grade 23 titanium plate (Gr 23 Ti-6Al-4V ELI) is an advanced titanium alloy material used in medical implants, aerospace engineering, precision machining, and specialized industrial applications. Its excellent strength-to-weight ratio, high fracture toughness, corrosion resistance, and biocompatibility make it a valuable choice for demanding applications.
When selecting Grade 23 titanium plate, buyers should consider the applicable material standard, plate thickness, mechanical properties, surface condition, dimensional tolerances, and material certification requirements.
If you are looking for a reliable Grade 23 titanium plate supplier, contact us for product specifications, customized dimensions, material test certificates, and quotations.
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