Baoji Yinnly Titanium Co., Ltd. is one of the most reliable manufacturers and suppliers of grade 23 medical titanium wire in China, featured by high quality customized products. If you're going to wholesale durable grade 23 medical titanium wire made in China, welcome to get free sample from our factory. For price consultation, contact us.
Product Introduction
Grade 23 Medical Titanium Wire, also known as Ti 6Al 4V ELI (Extra Low Interstitial) and designated UNS R56401, is a high-purity alpha-beta titanium alloy wire engineered for safety-critical implantable and surgical applications. gr23 medical grade titanium wire is the premium variant of Grade 5, distinguished by tightly controlled interstitial elements (O, N, C, H) that deliver superior toughness, fatigue resistance, and biocompatibility-making it the material of choice for long-term, high-stress implants.
Chemical Composition (Typical)
Ti (balance): ~89%
Al: 5.5–6.5%
V: 3.5–4.5%
O ≤ 0.13%, N ≤ 0.03%, C ≤ 0.08%, H ≤ 0.012% (ELI hallmark)
Core Properties
|
Property |
Typical Value (Annealed) |
|
Tensile Strength |
≥ 860 MPa |
|
Yield Strength (0.2%) |
≥ 795 MPa |
|
Elongation |
≥ 10–14% |
|
Density |
4.43 g/cm³ |
|
Elastic Modulus |
~110 GPa |
|
Hardness |
~34 HRC |
Key Advantages
- Superior Biocompatibility: Non-toxic, non-allergenic, non-magnetic; excellent osseointegration with minimal inflammatory response.
- Extreme Durability: Higher toughness, fatigue, and crack-growth resistance than Grade 5; ideal for cyclic loading in longterm implants.
- High Strength-to-Weight: 40% lighter than steel with comparable strength; reduces implant burden while maintaining reliability.
- Unmatched Corrosion Resistance: Stable in bodily fluids, chlorides, and harsh environments; no harmful ion release.
- Excellent Fabricability: Drawable into fine wire, formable, weldable (TIG/EBW with inert shielding), and machinable for precision components.
Typical Medical Applications
- Orthopedics: Bone screws, plates, intramedullary nails, spinal fixation systems, cerclage cables.
- Dentistry: Dental implants, abutments, orthodontic archwires, prosthetic frameworks.
- Surgery & Interventional: K wires, surgical staples/clips, guidewires, spring components, minimally invasive instrument parts.
- Cardiovascular: Vascular stent components, pacemaker leads, heart valve accessories.
Comparison: Grade 23 vs. Grade 5
|
Parameter |
Grade 5 (Ti-6Al-4V) |
Grade 23 (Ti-6Al-4V ELI) |
|
Oxygen Content |
≤ 0.20% |
≤ 0.13% (ELI) |
|
Ductility |
Good |
Excellent |
|
Fatigue Resistance |
Very Good |
Superior |
|
Primary Use |
General implants |
Safety-critical, long-term implants |
|
Cost |
Lower |
Higher |
Summary
Grade 23 Medical Titanium Wire sets the benchmark for high-performance, biocompatible titanium wire in medical devices requiring long-term safety and reliability. Its ELI composition balances extreme strength, toughness, and corrosion resistance, making it indispensable for orthopedic, dental, and interventional implants where failure is not an option.
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