ASTM F136 6AL-4V ELI Titanium (ASTM F136) for Medical Implants
Oct 22, 2025 ASTM-F136.pdf
GNEE can provide the form
Introduction to 6AL-4V ELI Titanium (ASTM F136)
6AL-4V ELI Titanium, also known as Grade 23 Titanium, is a high-performance titanium alloy known for its biocompatibility, high strength, and corrosion resistance. As an enhanced version of Grade 5 Titanium, this alloy has a lower level of impurities, making it particularly suited for medical applications such as implants. It's also used in aerospace and marine industries where strength and resistance to harsh environments are essential.
Biocompatibility and Medical Uses
What sets 6AL-4V ELI apart from other titanium alloys is its exceptional biocompatibility, which makes it the preferred material for medical implants such as joint replacements, bone plates, and screws. Compliant with ASTM F136 standards, this alloy is non-toxic and well-tolerated by the human body. Its ability to integrate with bone tissue while resisting corrosion ensures the longevity of medical devices.
Strength and Durability in Extreme Environments
6AL-4V ELI offers high tensile strength and excellent fatigue resistance, allowing it to maintain structural integrity under extreme conditions. It performs exceptionally well in aerospace and marine environments, where components are subject to high stress and corrosion. The alloy's stability at elevated temperatures and in corrosive environments makes it ideal for aircraft components, offshore equipment, and chemical processing.
Applications of 6AL-4V ELI Titanium
6AL-4V ELI Titanium is known for its versatility and is widely used in both medical and industrial applications. Below are some of the most common uses across various industries:
Medical Implants: 6AL-4V ELI's biocompatibility and strength make it a popular choice for surgical implants such as hip and knee replacements, dental implants, and bone fixation devices.
Aerospace Components: Its high strength-to-weight ratio and resistance to temperature extremes make it ideal for aircraft structures, engine components, and fasteners.
Marine Equipment: The alloy's ability to resist corrosion in saltwater environments makes it suitable for use in offshore platforms, subsea hardware, and propellers.
Chemical Processing: In the chemical industry, 6AL-4V ELI is used in reactors and heat exchangers that are exposed to corrosive chemicals and high temperatures.
Sporting Equipment: The lightweight nature and durability of this alloy make it a popular choice for high-performance sporting goods like bicycle frames and golf clubs.
Chemical Data, Mechanical Properties and Specifications for 6AL-4V ELI (Gr 23) Titanium
| Chemical Range for 6AL-4V ELI | ||
|---|---|---|
| Element | Minimum | Maximum |
| Carbon | -- | 0.08 |
| Nitrogen | -- | 0.05 |
| Hydrogen | -- | 0.012 |
| Iron | -- | 0.25 |
| Oxygen | -- | 0.13 |
| Aluminum | 5.5 | 6.5 |
| Vanadium | 3.5 | 4.5 |
| Titanium | -- | Balance |
| Typical Mechanical Properties for 6AL-4V ELI | |||
|---|---|---|---|
| Form | Tensile Strength, min | Yield Strength, min | Elongation in 4D, min |
| Strip, Sheet and Plate-ASTM B265 | 120 ksi | 110 ksi | 10% |
| Bar and Rod-ASTM B348 | 120 ksi | 110 ksi | <1.0" 7.5%, =1.0" 6.0% |
| Typical Physical Data for 6AL-4V ELI | |
|---|---|
| Density | 0.160 lb / cu. in. |
| Electrical Resistivity | 1.71 µohms-m |
| Thermal Conductivity | 6.6-6.8 W/mK |
| Modulus of Elasticity | 16.5 psi x 10(6) |
| Specifications |
| ASTM B265-Gr23 (Sheet-Industrial) |
| ASTM B348-Gr23 (Bar-Industrial) |
| ASTM F136 (Medical) |
| AMS 4907 (Aerospace Sheet) |
| AMS 4930 (Aerospace Bar) |
| AMS-T 9046A AB-2 (Aerospace Sheet) |
| AMS-T 9047A AB-2 (Aerospace Bar) |
| MIL-T 9047J AB-2 (Aerospace Sheet) |
| MIL-T 9047G AB-2 (Aerospace Bar) |
| UNS R56401 |
Products provided by GNEE
| Main Product | Common Grades (ASTM) | Standard Specifications | Common Surface Treatment |
|---|---|---|---|
| Titanium Tube (Seamless & Welded) |
Gr1, Gr2, Gr3, Gr7, Gr9, Gr12 | OD: 3mm - 150 mm Wall Thickness: 0.5mm - 10 mm Length: Up to 6000 mm (customizable) Standards: ASTM B337, ASTM B338 |
• Polished (Mirror / Satin) • Pickled • Annealed • Sandblasted |
| Titanium Sheet/Plate (Cold Rolled / Hot Rolled) |
Gr1, Gr2, Gr5 (Ti-6Al-4V), Gr7, Gr9, Gr12 | Thickness: 0.1mm - 50 mm Width: 500mm - 1500 mm Length: 1000mm - 3000 mm Standards: ASTM B265 |
• Polished (No.4, BA, Mirror) • Pickled • Annealed • Sandblasted • Brushed |
| Titanium Wire | Gr1, Gr2, Gr5, Gr7 | Diameter: 0.1mm - 6.0 mm Form: Coil, Straight Length Standards: ASTM B863, F67, F136 |
• Annealed & Pickled • Bright (Clean) • Oxidized |
| Titanium Bar/Rod (Round, Hex, Square) |
Gr1, Gr2, Gr5 (Ti-6Al-4V), Gr7, Gr9, Gr12 | Diameter (Round): 3mm - 200 mm Hex/Square Size: 4mm - 100 mm Length: 1000mm - 3000 mm (or cut-to-size) Standards: ASTM B348 |
• Turned / Peeled • Polished (Centerless Ground) • Annealed • Black Oxide |
| Titanium Foil | Gr1, Gr2,Gr5 (Ti-6Al-4V), Gr7, Gr9, Gr12 | Thickness: 0.03mm - 0.1 mm Width: 50mm - 500 mm Standards: ASTM B265 |
• Bright Annealed (BA) • Cold Rolled |
| Titanium CNC Machining Parts | Gr1, Gr2, Gr5 (Ti-6Al-4V), Gr7, Gr9, Gr12 | Capability: Custom components based on customer drawings. Processes: Milling, Turning, Drilling, Tapping, etc. |
• As-Machined • Deburred • Polished / Tumbled • Anodizing (Color, Black) • Sandblasted • Passivation |
