ASTM F136 Ti6Al4V
Grade: Ti6Al4V ELI
Strip: Thickness≤4.76mm x Width≤610mm
Sheet: Thickness≤4.76mm x Width≥610mm
Plate: Thickness:4.76 - 101.6mm x Width≥254mm
Bar: Dia.4.76-101.6mm
Wire: Dia.≤4.76mm
ASTM F136 Ti6Al4V Titanium Alloy - Medical & Aerospace Grade Titanium
UNS R56401 | Titanium Grade 23 | ISO 5832-3
ASTM F136 Ti6Al4V (Grade 5 ELI) is a high-strength, biocompatible titanium alloy widely used in medical implants, aerospace, and high-performance engineering. This page provides engineers, procurement specialists, and manufacturers with technical specifications, mechanical properties, and procurement guidance for ASTM F136-compliant titanium.
Key Features & Benefits
✅ Medical Implant Grade – Meets ASTM F136, ISO 5832-3 for surgical applications
✅ Superior Strength-to-Weight Ratio – Ideal for aerospace & automotive lightweighting
✅ Excellent Corrosion Resistance – Resists body fluids, seawater, and chemicals
✅ Biocompatible & Hypoallergenic – Safe for long-term implants (no nickel leaching)
✅ High Fatigue Resistance – Reliable in cyclic load applications
Technical Specifications
1. Chemical Composition (ASTM F136 Standard)
| Element | Ti | Al | V | Fe (max) | O (max) | C (max) | N (max) | H (max) | Y (max) |
|---|---|---|---|---|---|---|---|---|---|
| Weight % | Bal. | 5.5-6.5 | 3.5-4.5 | 0.25 | 0.13 | 0.08 | 0.05 | 0.012 | 0.005 |
Note: ELI (Extra Low Interstitial) grade ensures enhanced ductility & fracture toughness.
2. Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 860-965 MPa | ASTM E8 |
| Yield Strength (0.2% offset) | 795-875 MPa | ASTM E8 |
| Elongation (%) | ≥ 10% | ASTM E8 |
| Reduction of Area (%) | ≥ 25% | ASTM E8 |
| Hardness (Rockwell C) | 32-36 HRC | ASTM E18 |
| Modulus of Elasticity | 114 GPa | ASTM E111 |
| Fatigue Strength (10⁷ cycles) | 500 MPa | ASTM E466 |
3. Physical Properties
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Density: 4.43 g/cm³
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Melting Point: 1604-1660°C
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Thermal Conductivity: 6.7 W/m·K
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Electrical Resistivity: 1.7 µΩ·m
Applications
Medical & Surgical Uses
Orthopedic Implants (hip joints, bone screws, spinal rods)
Dental Implants & Abutments
Surgical Instruments (scalpels, forceps)
Cardiovascular Devices (stents, pacemaker cases)
Aerospace & Defense
Aircraft Landing Gear
Engine Components (fan blades, turbine discs)
Missile & UAV Structures
Industrial & High-Performance Engineering
Chemical Processing Equipment
Marine & Offshore Components
Racing & Automotive Lightweighting
Why Choose ASTM F136 Ti6Al4V Over Other Titanium Grades?
| Comparison Factor | ASTM F136 Ti6Al4V (Grade 5 ELI) | Standard Grade 5 (Ti6Al4V) | Grade 2 (CP Titanium) |
|---|---|---|---|
| Strength | ⭐⭐⭐⭐⭐ (Highest) | ⭐⭐⭐⭐ | ⭐⭐ |
| Biocompatibility | ⭐⭐⭐⭐⭐ (Implant-grade) | ⭐⭐⭐ (Limited medical use) | ⭐⭐⭐⭐ |
| Corrosion Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Cost | $$$ (Premium) | $$ (Mid-range) | $ (Most economical) |
| Best For | Critical medical/aerospace | General engineering | Non-load-bearing medical |
Procurement Guide for Engineers & Buyers
1. Available Forms
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Seamless Tubes (Medical & Aerospace)
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Round Bars (Machining stock)
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Sheets & Plates (Surgical instruments)
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Wire & Fasteners (Bone fixation)
2. Surface Finishes
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Polished (Ra ≤ 0.4 µm) – For implants
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Pickled & Annealed – General industrial use
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Bead-Blasted – Enhanced osseointegration
3. Certifications & Testing
✔ Mill Test Reports (MTR)
✔ ISO 13485 (Medical Devices)
✔ ASTM F136 Compliance Report
✔ 3.1 Material Certification
Frequently Asked Questions (FAQ)
Q: Can ASTM F136 Ti6Al4V be used in MRI environments?
A: Yes! It’s non-magnetic, making it MRI-safe.
Q: How does ELI differ from standard Ti6Al4V?
A: ELI (Extra Low Interstitial) has lower oxygen & iron, improving ductility & fracture toughness for implants.
Q: What’s the lead time for custom-sized Ti6Al4V tubing?
A: Typically 4-6 weeks (depending on dimensions & quantity).
Q: Is ASTM F136 equivalent to ISO 5832-3?
A: Yes, both cover implant-grade Ti6Al4V ELI.
Get a Quote for ASTM F136 Ti6Al4V Titanium
Tel: +86-29-89506568
WA/Mob: +86-17778976690
Email: linhui@lhtitanium.com
Custom Sizes Available! – Tell us your requirements for:
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OD/ID dimensions
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Length & tolerance
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Surface finish
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Certification needs
