Ti-6Al-7Nb

Verifiedmetal
UNS 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
PropertyValueUnitConditionsSource
Elongation at Break(εf)
-
Fatigue Strength (10⁷ cycles)(σf)
Panotes
Fracture Toughness(KIC)
Pa·√m
Poisson's Ratio(ν)
-
Ultimate Tensile Strength(σUTS)
PaASTM F1295
Yield Strength (0.2% offset)(σy)
PaASTM F1295
Young's Modulus(E)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Thermal Conductivity(k)
W/(m·K)
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
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.