Titanium Ti-6Al-4V (Grade 5), Annealed

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Titanium Ti-6Al-4V (Grade 5), Annealed
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy
Material Notes:	Information provided by Allvac and the references. Annealing Temperature 700-785ºC. Alpha-Beta Alloy. Applications: Blades, discs, rings, airframes, fasteners, components. Vessels, cases, hubs, forgings. Biomedical implants. Biocompatibility: Excellent, especially when direct contact with tissue or bone is required. Ti-6Al-4V's poor shear strength makes it undesirable for bone screws or plates. It also has poor surface wear properties and tends to seize when in sliding contact with itself and other metals. Surface treatments such as nitriding and oxidizing can improve the surface wear properties. 4 other heat treatments of this alloy are listed in MatWeb.
Key Words:	Ti-6-4; UNS R56400; ASTM Grade 5 titanium; Ti6Al4V, Ti64, biomaterials, biomedical implants, biocompatibility
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	4.43 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	334	Estimated from Rockwell C.
Hardness, Knoop	363	Estimated from Rockwell C.
Hardness, Rockwell C	36
Hardness, Vickers	349	Estimated from Rockwell C.
Tensile Strength	620 MPa @Temperature 427 °C
Tensile Strength, Ultimate	950 MPa
Tensile Strength, Yield	880 MPa
Elongation at Break	14 %
Reduction of Area	25 %
	36 %
Creep Strength	150 MPa @Temperature 455 °C, Time >=360000 sec	strain 1%
	290 MPa @Temperature 455 °C, Time >=252000 sec	strain 0.1%
	395 MPa @Temperature 400 °C, Time >=108000 sec	strain 1%
	500 MPa @Temperature 400 °C, Time >=540000 sec	strain 0.1%
Rupture Strength	400 MPa @Temperature 455 °C, Time 1.80e+6 sec
	675 MPa @Temperature 400 °C, Time 252000 sec
Modulus of Elasticity	113.8 GPa
Modulus of Rigidity	42.1 GPa
Compressive Yield Strength	970 MPa
Notched Tensile Strength	1450 MPa	K_t (stress concentration factor) = 6.7
Ultimate Bearing Strength	1860 MPa	e/D = 2
Bearing Yield Strength	1480 MPa	e/D = 2
Poissons Ratio	0.342
Fatigue Strength	240 MPa @# of Cycles 1.00e+7	K_t (stress concentration factor) = 3.3
	250 MPa @# of Cycles 1.00e+7	notched bar
	300 MPa @# of Cycles 100000	notched bar
	510 MPa @# of Cycles 1.00e+7	smooth bar
	510 MPa @# of Cycles 1.00e+7	Unnotched
	600 MPa @# of Cycles 100000	smooth bar
Fracture Toughness	74.6 MPa-m½	Annealed plate
	75.0 MPa-m½
Shear Modulus	44.0 GPa
Shear Strength	550 MPa	Ultimate shear strength
Charpy Impact	17.0 J	V-notch
Bend Radius, Minimum	5.0 t @Thickness >=1.80 mm

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000178 ohm-cm
Magnetic Permeability	1.00005	at 1.6kA/m
Magnetic Susceptibility	0.0000033	cgs/g

Thermal Properties	Original Value	Comments
CTE, linear	8.60 µm/m-°C @Temperature 20.0 - 100 °C
	9.20 µm/m-°C @Temperature 20.0 - 315 °C	average
	9.70 µm/m-°C @Temperature 20.0 - 650 °C	average
Specific Heat Capacity	0.5263 J/g-°C
Thermal Conductivity	6.70 W/m-K
Melting Point	1604 - 1660 °C
Solidus	1604 °C
Liquidus	1660 °C
Beta Transus	980 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	5.5 - 6.75 %
Carbon, C	<= 0.080 %
Hydrogen, H	<= 0.015 %
Iron, Fe	<= 0.40 %
Nitrogen, N	<= 0.030 %
Other, each	<= 0.050 %
Other, total	<= 0.30 %
Oxygen, O	<= 0.20 %
Titanium, Ti	87.725 - 91 %	As Balance; Elemental Composition per ASTM B265
Vanadium, V	3.5 - 4.5 %

Descriptive Properties
Velocity of Sound	4.987 km/s	Heat treatment not specified

References for this datasheet.

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MTP641 / 14239

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