Grade 23 Titanium (Ti-6Al-4V ELI)
Titanyum Grade 23 (Ti-6Al-4V ELI)
Sourced upon request
- ASTMF136 / B348 Grade 23
- UNSR56407
- AMS4930 / 4907
- AlaşımTi-6Al-4V ELI
The extra-low-interstitial (ELI) version of Ti-6Al-4V. Lower oxygen, iron and nitrogen content increases fracture toughness and ductility; sourced to specification for medical implants and cryogenic applications.
01Material Properties
- Higher fracture toughness and ductility than Grade 5
- Rm ≥ 860 MPa (annealed)
- Biocompatibility (ASTM F136)
- Toughness at cryogenic temperatures
- High fatigue strength
02Applications
- Orthopaedic and dental implants
- Surgical instruments
- Aerospace structural parts (damage tolerant)
- Cryogenic pressure vessels
- High-performance sports and racing parts
03Delivery Condition
- Annealed; bar, plate, sheet. ASTM F136 / AMS certified supply on request.
04Heat Treatment
Typical values
- Stress relieving
- 480–650 °C, 1–4 h; air
- Annealing
- 700–790 °C, 1–4 h; air/furnace
- Solution treatment + ageing
- 900–955 °C water; 480–595 °C, 4–8 h
- Delivery condition
- Annealed (ASTM F136)
- Atmosphere
- Protective gas / vacuum; alpha-case removed by machining
Heat treatment cycle (schematic)
Ageing diagram (approximate)
Values are approximate and for information only; they vary with section size, heat and furnace conditions. Binding values are determined from the manufacturer’s data under laboratory conditions.
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