Grade 5 (Ti-6Al-4V) vs Grade 23 (Ti-6Al-4V ELI) — Complete Comparison
| Property | Grade 5 (Ti-6Al-4V) | Grade 23 (Ti-6Al-4V ELI) |
|---|---|---|
| Composition | Ti-6Al-4V | Ti-6Al-4V (Extra Low Interstitials) |
| Oxygen Max (wt%) | 0.20 | 0.13 ★ |
| Tensile Strength (MPa) | 895-1000 ★ | 828-965 |
| Fracture Toughness | Good | Superior ★ |
| Biocompatibility | Good | ASTM F136 certified ★ |
| Cost | Standard ★ | 10-15% premium |
| Fatigue Life | Good | Superior ★ |
Choose Grade 5 (Ti-6Al-4V) When
- ✓ Aerospace structures
- ✓ General high-strength applications
- ✓ Cost is a factor
- ✓ Standard fatigue requirements
Choose Grade 23 (Ti-6Al-4V ELI) When
- ✓ Medical implants (hip, spine, dental)
- ✓ Surgical instruments
- ✓ Cryogenic applications
- ✓ Maximum fracture toughness required
Not sure which material is right for your project?
Our engineers can recommend the optimal grade based on your specific application, environment, and budget requirements.