Titanium Grade 23 (Ti-6Al-4V ELI)

Titanium Grade 23 (ELI - Extra Low Interstitial) is the medical-grade version of Ti-6Al-4V with reduced oxygen, nitrogen, and iron content. This results in superior fracture toughness and biocompatibility, making it the preferred material for surgical implants.

Machinability

20/100

Tolerance

±0.01 mm

Category

Titanium Alloys

Material Properties

PropertyValue
Tensile Strength860 MPa (125 ksi)
Yield Strength795 MPa (115 ksi)
Hardness320 HV
Density4.43 g/cm³
Machinability Rating20/100
Thermal Conductivity6.7 W/m·K
Melting Point1,604–1,660 °C
Tolerance±0.01 mm

Common Grades

Ti-6Al-4V ELIASTM F136AMS 4930

Advantages

  • Superior biocompatibility
  • Excellent fracture toughness
  • FDA-approved for implants
  • Corrosion immune in body fluids

Limitations

  • Very expensive
  • Extremely difficult to machine
  • Limited suppliers
  • Requires clean-room handling for implants

Common Applications

Orthopedic implants

Dental implants

Spinal fixation

Surgical instruments

Biomedical devices

Industries Served

MedicalDentalBiomedical

Available Surface Finishes

PassivationPVD CoatingElectropolishAnodize

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