General Information
Chemical Composition
Physical Properties
Mechanical Properties
General Information
Ti 6 AL-4V ELI is commonly referred to surgical titanium because of its use in surgery. It is a more pure version of Grade 5 (Ti 6AL-4V) titanium alloy. It can be easily molded, and cut into small strands, coils, and wires.
It has the same strength, and high corrosion resistance as Ti 6AL-4V. It is also light-weight and is highly tolerant to damage by other alloys. Its use is highly desirable in the medical and dental fields for uses in complex surgical procedures not only because of these properties but also because of the unique surgical properties Ti 6AL-4V ELI has. It has superior biocompatibility making it easy to graft in and attach to bone all the while being accepted by the human body.
Standard Inventory Specifications
- AMS 4930 – Bar, Wire, Billet, and Rings (annealed)
- AMS 4931 – Bar, Billet, and Rings
- AMS 4996 – Billet
- ASTM F 136 – Surgical Implants
Common Applications of Ti 6 AL-4V ELI
- Orthopedic pins and screws
- Orthopedic cables
- Ligature clips
- Surgical staples
- Springs
- Orthodontic appliances
- In joint replacements
- Cryogenic vessels
- Bone fixation devices
Chemical Composition
Chemical Composition of 6-4 ELI Titanium
Element
Percent by Weight
Ti
Titanium
88-91%
Al
Aluminum
5.5 – 6.5%
V
Vanadium
3.5 – 4.5%
N
Nitrogen
0.03% max
C
Carbon
0.08% max
O
Oxygen
0.013% max
Fe
Iron
0.25% max
H
Hydrogen
0.0125% max
–
Res. Each
0.1% max
–
Res. Total
0.4% max
Physical Properties
Physical Properties of 6-4 ELI Titanium
Physical Property | T (°F) | T (°C) | Value | Value (SI) | |
Density | 72 | 22 | 0.163 lb in¯³ | 4.42 g cm¯³ | |
Beta Transus | 1825± 25 | 966± 14 | |||
Melting (liquidus ) Point | 3000- 3020± 25 | 1650- 1660± 14 | |||
Thermal Conductivity Mil Annealed | 68 600 | 20 315 | 3.8 Btu hr¯¹°F¯¹ 6.1 Btu hr¯¹°F¯¹ | 6.6 W m¯¹ K¯¹ 10.6 W m¯¹ K¯¹ | |
Specific Heat | 68 800 1600 | 20 425 870 | 0.140 Btu lb¯¹°F¯¹ 0.160 Btu lb¯¹°F¯¹ 0.220 Btu lb¯¹°F¯¹ | 0.580 J g¯¹K¯¹ 0.670 J g¯¹K¯¹ 0.930 J g¯¹K¯¹ | |
Electrical Resistivity | 32 600 1200 | 0 315 650 | 66 μΩ∙in 73 μΩ∙in | 1.68 μΩ∙m 1.86 μΩ∙m 1.89 μΩ∙m | |
74μΩ ∙in | 1.89 μΩ∙m | ||||
Magnetic Permeability | 1.00005 at 20 oersteds | ||||
Mean Coefficient of Thermal Expansion | 32-212 70-800 70-1200 | 0-100 20-425 20-650 | 5.0 x 10¯⁶in in ¯¹°F¯¹ 5.2 x 10¯⁶in in ¯¹°F¯¹ 5.4 x 10¯⁶in in ¯¹°F¯¹ | 9.0x 10¯⁶⁶m m¯¹°C¯¹ 9.4x 10¯⁶m m¯¹°C¯¹ 9.7x 10¯⁶m m¯¹°C¯¹ | |
Young?s Modulus | 68 450 | 20 230 | 15.5-17.7 Msi 13.8-16.2 Msi | 107-122 GPa 95-111 GPa | |
Shear Modulus | 68 | 20 | 5.9-6.5 Msi | 41-45 GPa | |
Poisson?s Ratio | 68 | 20 | .31 | .31 |
Mechanical Properties
Mechanical Properties of 6-4 ELI Titanium
Product 0.025-1.000 Sheet & Plate | Condition | Specification | Dir. | Temp°F (°C) | UTS Ksi (MPa) | 0.2% YS Ksi (MPa) | %EI | %RA |
0.025-1.000 Sheet & Plate | St | ASTM B265 | L & LT | 68 (20) | 120 (828) | 110 (759) | 10 | – |
≤3.00 RD or Thk. | Annealed | ASTM B348 | L | 68 (20) | 120 (828) | 110 (759) | 10 | 25 |
≥1.75 RD or Thk. 1.75-2.50 2.50-4.00 | Annealed Annealed Annealed | ASTM F136 ASTM F136 ASTM F136 | L L & LT L, LT & ST | 68 (20) 68 (20) 68 (20) | 120 (828) 120 (860) 120 (825) | 115 (759) 110 (760) 115 (760) | 10 8 8 | 25 20 15 |
- Ti-6AL-4V ELI Pipes
- Ti-6AL-4V ELI Fittings
- Ti-6AL-4V ELI Bars
- Ti-6AL-4V ELI Sheets & Plates
- Ti-6AL-4V ELI Coils & Strips
- Ti-6AL-4V ELI Wires

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