TIMET TIMETAL® 367 (Ti-6Al-7Nb) Implant Grade Titanium Alloy

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TIMET TIMETAL® 367 (Ti-6Al-7Nb) Implant Grade Titanium Alloy
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy
Material Notes:	Medium-Strength Surgical Implant Alloy TIMETAL 367 is a dedicated, medium strength, titanium alloy for surgical implants. The alloy was developed specifically for the manufacture of femoral component items for hip prostheses. Its metallurgy is closely analogous to that of TIMETAL 6-4 but biocompatibility is improved with the replacement of vanadium by niobium. Typical heat treatment for this alloy: Anneal at 700°C for 1 hour, air cool. Data provided by TIMET.
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Physical Properties	Original Value	Comments

Density	4.52 g/cc	Typical

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	>= 900 MPa
	1000 MPa	Typical
Tensile Strength, Yield	>= 800 MPa @Strain 0.2 %
	900 MPa @Strain 0.2 %	Typical
Elongation at Break	>= 10 %
	12 %	Typical in 5D
Reduction of Area	35 %
Modulus of Elasticity	105 - 120 GPa	Typical
Fatigue Strength	340 MPa @# of Cycles 1.00e+7	Rotating Beam, ODH plus Highly Polished
	360 MPa @# of Cycles 1.00e+7	Rotating Beam, ODH plus Corundum Blasted (Ra = 3 µm)
	500 MPa @# of Cycles 1.00e+7	Rotating Beam, Corundum Blasted (Ra = 3 µm)
	500 MPa @# of Cycles 1.00e+7	Rotating Bend
	580 MPa @# of Cycles 1.00e+7	Rotating Beam, Shot Blasted (Ra = 1 µm)
	620 MPa @# of Cycles 1.00e+7	Rotating Beam, Highly Polished

Thermal Properties	Original Value	Comments
Beta Transus	1015 °C

Processing Properties	Original Value	Comments
Annealing Temperature	700 °C @Time 3600 sec	Air Cool

Component Elements Properties	Original Value	Comments
Aluminum, Al	5.5 - 6.5 %
Carbon, C	<= 0.080 %
Hydrogen, H	<= 0.0090 %
Iron, Fe	<= 0.25 %
Niobium, Nb (Columbium, Cb)	6.5 - 7.5 %
Nitrogen, N	<= 0.050 %
Other, each	<= 0.10 %
Other, total	<= 0.40 %
Oxygen, O	<= 0.20 %
Tantalum, Ta	<= 0.50 %
Titanium, Ti	84.5 - 88 %	Calculated as remainder

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NTIME367 / 19300

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