| Parameter | Specification |
|---|---|
| Alloy | Ti-6Al-4V ELI (Grade 5 ELI) |
| Standards | ASTM F136, AMS 4928, ISO 5832-3 |
| Thickness | 0.025–0.8 mm |
| Width | 10–300 mm |
| Coil Weight | 50–500 kg (customizable) |
| Tolerance | ±0.01 mm (thickness), ±1 mm (width) |
Titanium Ti6Al4V ELI (Extra Low Interstitial) Coil, designated as
Overview of Ti6Al4V ELI Coil Alloy
Titanium Ti6Al4V ELI (Extra Low Interstitial) Coil is a high-performance α+β titanium alloy renowned for its exceptional strength-to-weight ratio, corrosion resistance, and biocompatibility. Engineered with stringent controls on interstitial elements (oxygen, iron, carbon), this alloy meets the most demanding standards for medical, aerospace, and industrial applications. As the leading metal supplier, our service is customerized for ervery clients.
Chemical Composition (ASTM B348)
| Element | Ti (Bal.) | Al | V | Fe (max) | O (max) | C (max) |
|---|---|---|---|---|---|---|
| 88.09–91 | 5.5–6.5 | 3.5–4.5 | 0.25 | 0.13 | 0.08 |
Mechanical Properties (Annealed Condition)
| Property | Tensile Strength | Yield Strength | Elongation | Hardness (Rockwell C) |
|---|---|---|---|---|
| ≥860 MPa | ≥790 MPa | ≥15% | 30–34 |
Key Features & Advantages
Biomedical Excellence Biocompatibility : Certified to ASTM F136 and ISO 5832-3 , it resists bodily fluids and minimizes immune rejection, ideal for orthopedic implants (pins, screws), dental devices, and surgical instruments. Mechanical Integrity : Tensile strength ≥828 MPa, yield strength ≥759 MPa, and 15% elongation ensure reliability under dynamic physiological loads.
Aerospace & Marine Performance Lightweight Durability : Density of 4.43 g/cm³ reduces component weight by 40% vs. steel, enhancing fuel efficiency in jet engine casings, rotor hubs, and rocket components. Corrosion Resistance : Immune to chloride stress cracking and seawater erosion, validated for subsea valves and cryogenic vessels.
Thermal Stability
- Maintains tensile strength up to
500°C (932°F) with a thermal expansion coefficient of 8.6 µm/m°C (20–100°C), ensuring dimensional stability in thermal cycling environments.
- Maintains tensile strength up to
| Parameter | Ti6Al4V ELI (Grade 23) | Standard Ti6Al4V (Grade 5) |
|---|---|---|
| Tensile Strength | 828 MPa (min) | 895 MPa (min) |
| Yield Strength (0.2%) | 759 MPa (min) | 825 MPa (min) |
| Elongation (%) | ≥ 15% | ≥ 10% |
| Oxygen Content | ≤ 0.13% | ≤ 0.20% |
| Fatigue Strength (10⁷ cycles) | 500 MPa | 450 MPa |
| Fracture Toughness (K<sub>IC</sub>) | 80 MPa√m | 70 MPa√m |
Applications of Ti6AL4V ELI Coil Alloy
This alloy excels in extreme environments, maintaining stability at temperatures up to
1. Aerospace Structural Components
Use Case: Jet engine compressor blades, airframe fasteners, rocket fuel tank liners.
Technical Edge:
40% weight savings vs. steel with equal tensile strength (895 MPa).
Retains 90% UTS at 300°C – critical for thermal cycling.
2. Medical Implants & Surgical Tools
Use Case: Spinal rods, orthopedic bone screws, surgical staple coils.
Technical Edge:
ASTM F136/ISO 5832-2 compliance – near-zero cytotoxicity.
Promotes osseointegration (bone fusion) due to biocompatible oxide layer.
3. EV Battery Systems
Use Case: Current collector foils, battery casing seals, busbars.
Technical Edge:
Zero galvanic corrosion in Li-ion electrolytes (vs. aluminum).
High electrical conductivity (3.1 MS/m) with thermal stability (-40°C to 150°C).
4. Marine & Defense Hardware
Use Case: Subsea pressure housings, torpedo guidance fins, sonar domes.
Technical Edge:
Immune to saltwater pitting/crevice corrosion (per ASTM G48).
Non-magnetic – avoids interference with sensitive sensors.
Why Choose Ti6Al4V ELI Coil?
Packaging & Delivery
- Packaging: Wooden crates with vacuum-sealed plastic to prevent oxidation.
- Shipping: Global logistics support (air/sea freight), with expedited options available.
- 72-hour shipping from Shanghai bonded stock.
Quality Assurance
- Certifications: ISO 13485 (medical), ISO 9001 (aerospace), CE Marking.
- Testing: Spectrochemical analysis, tensile testing, and NDT (ultrasonic, dye penetrant).
- Traceability: Full material certification (COC, COA) with each coil.
Huaxiao Metal Manufacturer has the good quality Ti6Al4V ELI coil and the product is suit for many application in induistries or life. If you have the need, you can contact us and our expert will solve your problems by the customerized sulution. Of course, our company has other metals, all materials can be provide the certification.
- Precision: Tight dimensional tolerances for automated manufacturing.
- Compliance: Meets stringent regulatory requirements for medical/aerospace sectors.
- Reliability: Proven performance in high-stress environments.