Ti-6Al-4V ELI (Grade 23) Titanium Powder
Titanium Alloy Powders · Metal Additive Manufacturing Powder
Ti-6Al-4V ELI (Grade 23) is the ultra-low-interstitial variant of Grade 5 titanium, produced with oxygen capped at 0.13% and iron at 0.25%. The lower interstitial content raises ductility and fracture toughness, which is why ELI is the specified alloy for medical implants (ASTM F136) and fracture-critical aerospace structures. Published LPBF data show as-built Ti64 ELI reaching 1,145 MPa UTS with 1,030 MPa yield strength; HIP plus annealing is commonly applied for implants to maximize fatigue life. ELI powder costs a premium over Grade 5 — typically $200-400 per kg — because only EIGA/plasma-atomized lots with certified low oxygen qualify. When sourcing ELI powder, require a lot certificate with oxygen, nitrogen and hydrogen analysis, particle-size distribution by laser diffraction, and flowability per ASTM B213.
Typical Applications
Ti-6Al-4V ELI (Grade 23) Titanium Powder - Key Properties
| Chemical composition (wt%) | Ti bal · Al 5.5-6.5 · V 3.5-4.5 · Fe ≤0.25 · O ≤0.13 · N ≤0.03 |
| Density | 4.43 g/cm³ (bulk) |
| Tensile strength (as-built) | 1,145 MPa UTS · 1,030 MPa YS (median of 13 data points) |
| Elongation (as-built) | 8% as-built; 10%+ after HIP/anneal (median of 13 data points) |
| Hardness | ~355 HV (as-built) |
| Particle size | 15-45 µm / 15-53 µm |
| Production | EIGA gas atomization — certified low-oxygen lots |
| Standards | ASTM F136 (implants) · ASTM F3001 · UNS R56401 |
6 product offer(s) — 2 supplier(s)
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Ti-6Al-4V ELI Grade 23 Medical Powder ✓ Verified15-53 μm · Avimetal Powder Technology (Jiangsu, China)Quote$159.00–191.50per kg
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53-150μm · Xi'an Ouzhong Material Technology Co., Ltd. (Xi'an, Shaanxi)QuotePrice on request
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15-53μm · Xi'an Ouzhong Material Technology Co., Ltd. (Xi'an, Shaanxi)QuotePrice on request
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45-106μm · Xi'an Ouzhong Material Technology Co., Ltd. (Xi'an, Shaanxi)QuotePrice on request
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Custom size · Xi'an Ouzhong Material Technology Co., Ltd. (Xi'an, Shaanxi)QuotePrice on request
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53-250μm · Xi'an Ouzhong Material Technology Co., Ltd. (Xi'an, Shaanxi)QuotePrice on request
Frequently Asked Questions
How much does Ti-6Al-4V ELI powder cost?
Certified ELI powder typically quotes $200-400 per kg, above standard Grade 5 because of the tight oxygen certification. Verified suppliers on this page respond with current quotes within 24 hours.
Is ELI required for medical implants?
Yes — ASTM F136 specifies Ti-6Al-4V ELI for surgical implants because the low interstitial content guarantees the ductility and fatigue performance required for implantation.
What oxygen content should I accept for ELI powder?
Oxygen must be ≤0.13 wt% (Grade 23). For fatigue-critical implants, many buyers additionally request ≤0.10% oxygen lots and full interstitial analysis (O/N/H).
Do I need HIP for ELI implant parts?
For load-bearing implants, HIP (typically 920°C, 100 MPa, 2h) plus annealing is standard to eliminate porosity and restore fatigue strength. For prototypes, as-built with stress relief may suffice.
Which suppliers provide certified ELI powder?
Verified suppliers listed on PowderSight offer EIGA-atomized Ti64 ELI with lot-specific certificates. Mention 'ASTM F136 implant grade' in your inquiry for correctly matched quotes.
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