Gr23 Bio-medical Titanium Rod
2.This titanium rod is widely used in the medical industry.
3.The titanium rod avoids foreign object reactions.
What is Gr23 Bio-medical Titanium Rod?
Biomedical titanium is an important branch of materials science, is used for diagnosis, treatment or replacement of human tissues, organs or to enhance their functions, with high technical content and high economic value of the new carrier materials, is a new field of materials science and technology is developing.
In biomedical metal materials, gr23 titanium and titanium alloys have become the material of choice for artificial joints (hip joints, knee joints, shoulder joints, ankle joints, elbow joints, wrist joints, finger joints, etc.), orthopedic traumatology products (intramedullary nails, plates, screws, etc.), orthopedic spinal endoprosthesis, dental implants, dental scaffolds, orthopedic wires, prosthetic heart valves, interventional cardiovascular scaffolds, and so on. Preferred material for orthopedic products.
Suppliers of high-quality products
Chemical Composition
| Grade | N | C | H | Fe | O | Al | V | Pa | Mo | Ni | Ti |
| Max | Max | max | max | max | |||||||
| Gr23 | 0.05 | 0.08 | 0.0125 | 0.25 | 0.13 | 5.5-6.5 | 3.5-4.8 | / | / | / | Balance |
Tensile Strength
| Grade | Tensile Strength (Min) | Yield Strength (Min) | Elongation(%) |
| Mpa | Mpa | ||
| Gr23 | 825-860 | 760-795 | 8-10 |
Physical Properties
| Property | Value | Units |
|---|---|---|
| Density | 4.43 | g/cm³ |
| Melting Point | 1605 – 1660 | °C |
| Thermal Conductivity | 6.7 – 7.5 | W/m·K (at 20°C) |
| Electrical Resistivity | 1.7 – 1.8 | µΩ·m (at 20°C) |
| Specific Heat Capacity | 560 | J/kg·K |
| Coefficient of Thermal Expansion | 8.6 – 9.2 | µm/m·°C (20 – 200°C) |
| Magnetic Properties | Non-magnetic | – |
| Poisson's Ratio | 0.31 – 0.33 | – |
| Shear Modulus | 40 – 44 | GPa |
Key Features of Gr23 Bio-medical Titanium Rod:
Superior Biocompatibility: Non-toxic, non-allergenic, and fully compatible with human tissue and bone.
Exceptional Corrosion Resistance: Resists bodily fluids, saline environments, and sterilization processes.
High Strength with Low Modulus: Excellent strength-to-weight ratio with an elastic modulus closer to bone than stainless steel or cobalt-chrome alloys.
Enhanced Fracture Toughness: ELI chemistry provides better ductility and resistance to crack propagation.
What is the difference between Gr23 and Gr5 titanium?
| Parameter | Gr5 (Ti-6Al-4V) | Gr23 (Ti-6Al-4V ELI) |
|---|---|---|
| Oxygen Content | ≤ 0.20% | ≤ 0.13% (lower) |
| Iron Content | ≤ 0.40% | ≤ 0.25% (lower) |
| Carbon Content | ≤ 0.08% | ≤ 0.08% (same) |
| Nitrogen Content | ≤ 0.05% | ≤ 0.05% (same) |
| Hydrogen Content | ≤ 0.015% | ≤ 0.012% (lower) |
| Tensile Strength | ≥ 895 MPa | ≥ 860 MPa (slightly lower due to ELI) |
| Yield Strength | ≥ 828 MPa | ≥ 795 MPa (slightly lower due to ELI) |
| Elongation | ≥ 10% | ≥ 10% (same requirement, but typically higher in ELI) |
| Reduction of Area | ≥ 25% | ≥ 25% (same requirement, but typically higher in ELI) |
| Fracture Toughness | Good | Enhanced – better crack resistance |
| Applications | Aerospace, industrial, general engineering | Medical implants, surgical devices, cryogenic applications |
| Standards | ASTM B348, AMS 4928 | ASTM F136, ISO 5832-3, ASTM F3001 |
About Our Factory
Production Facilities:
Our factory is equipped with specialized equipment for medical-grade titanium production:
VAR (Vacuum Arc Remelting) Furnaces – for premium quality ELI ingots with controlled chemistry
Precision Forging Presses – for optimized grain structure and mechanical properties
Hot Rolling Mills – with temperature control to prevent contamination
Cold Rolling & Drawing Lines – for precise dimensional control
Vacuum Annealing Furnaces – for stress relief without surface oxidation (no alpha case)
Centerless Grinders – for precision tolerance finishing
Polishing Lines – for implant-ready surface finishes
Large-scale factory production
Quality Assurance
GNEE, with over a decade of experience, is a trusted and reliable supplier to the industry. As a Gold Supplier, we ensure the highest level of quality and service to our customers. Our commitment to customer satisfaction is demonstrated by our fast response times and our ability to offer a wide range of products to meet our customers' specific requirements.
Excellent Values Enterprise
In-House Testing:
Chemical Analysis: Spectrometer verification of ELI chemistry (low oxygen, low interstitials)
Mechanical Testing: Tensile, yield, elongation, and reduction of area
Microstructure Evaluation: Grain size, alpha-beta phase distribution, and absence of alpha case
Ultrasonic Testing: 100% UT inspection for internal soundness (critical for implant applications)
Dimensional Inspection: Precision measurement of diameter, ovality, and straightness
Surface Quality: Visual inspection under proper lighting, dye penetrant testing upon request
Documentation Included:
Mill Test Report (EN 10204 3.1) – full chemical and mechanical properties
Traceability Records – from raw material to finished rod
Process Certification – melting, forging, rolling, heat treatment records
Third-Party Inspection – SGS, BV, or customer-nominated inspection available
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