Ti-6Al-7Nb
VerifiedmetalUNS R56700· TAN· Protasul-100· IMI 367
Ti-6Al-7Nb is a near-alpha titanium alloy that substitutes niobium for vanadium in the classic Ti-6Al-4V formulation, eliminating concerns about vanadium cytotoxicity in biomedical applications. It is widely used in orthopedic and dental implants, cardiovascular devices, and surgical instruments where biocompatibility, corrosion resistance, and load-bearing reliability are critical. Engineers select this alloy over Ti-6Al-4V specifically for long-term implantable devices where material-body interaction must be minimized, while maintaining comparable mechanical performance and superior fatigue resistance in cyclic loading environments.
orthopedic implantsdental implantscardiovascular devicessurgical instrumentsbiomedical implantshigh-cycle fatigue applications
Compliance & Regulations
?ITAR?EAR?ISO 10993?Conflict Free?FDA?RoHS?REACH?TSCA
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | — | - | — | — | |
Fatigue Strength (10⁷ cycles)(σf) | — | ksi | notes | — | |
Fracture Toughness(KIC) | — | ksi·√in | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Ultimate Tensile Strength(σUTS) | — | ksi | ASTM F1295 | — | |
Yield Strength (0.2% offset)(σy) | — | ksi | ASTM F1295 | — | |
Young's Modulus(E) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Thermal Conductivity(k) | — | BTU/(hr·ft·°F) | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
Safety & Biocompatibility
Quality & Standards
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.