TIMET TIMETAL® 6-4 ELI Titanium Alloy (Ti-6Al-4V ELI; ASTM Grade 23) (Annealed; 1.75

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TIMET TIMETAL® 6-4 ELI Titanium Alloy (Ti-6Al-4V ELI; ASTM Grade 23) (Annealed; 1.75 - 2.50 in Rod or Thickness; Per ASTM F136)
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy
Material Notes:	Medium To High Strength General-Purpose Alloy. Minimum tensile property data below are specific to this MatWeb entry; other specific form/thickness entries are also available in MatWeb. Features: A lower strength version of TIMETAL 6-4 with improved toughness, cryogenic ductility, and SCC resistance. Major uses are in the medical implant field, marine structural components, and oil and gas production. This variant is available for fracture critical applications. This alloy is available in most common product forms including billet, bar, wire, plate, and sheet. Data provided by TIMET.
Key Words:	Titanium 6-4 ELI; UNS R56401
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Physical Properties	Original Value	Comments

Density	4.42 g/cc	Typical

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	>= 825 MPa	L and LT Directions
Tensile Strength, Yield	>= 760 MPa @Strain 0.2 %	L and LT Directions
Elongation at Break	>= 8.0 %	L and LT Directions
Reduction of Area	>= 20 %	L and LT Directions
Modulus of Elasticity	95.0 - 111 GPa @Temperature 230 °C	varies with heat treatment and texture
	107 - 122 GPa @Temperature 20.0 °C	varies with heat treatment and texture
Poissons Ratio	0.31
Shear Modulus	41.0 - 45.0 GPa
Bend Radius, Minimum	5.0 t @Thickness 2.00 mm	Typical; sheet

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000168 ohm-cm
	0.000168 ohm-cm @Temperature 0.000 °C
	0.000186 ohm-cm @Temperature 315 °C
	0.000189 ohm-cm @Temperature 650 °C
Magnetic Permeability	1.00005	at 20 Oersted

Thermal Properties	Original Value	Comments
CTE, linear	9.00 µm/m-°C @Temperature 0.000 - 100 °C
	9.40 µm/m-°C @Temperature 20.0 - 425 °C
	9.70 µm/m-°C @Temperature 20.0 - 650 °C
Specific Heat Capacity	0.580 J/g-°C @Temperature 20.0 °C
	0.670 J/g-°C @Temperature 425 °C
	0.930 J/g-°C @Temperature 870 °C
Thermal Conductivity	6.60 W/m-K @Temperature 20.0 °C
	10.6 W/m-K @Temperature 315 °C
	17.5 W/m-K @Temperature 650 °C
Melting Point	<= 1660 °C
Liquidus	>= 1636 °C
	1660 °C
Maximum Service Temperature, Air	350 °C	Reasonable mechanical properties retained
Beta Transus	982 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	5.5 - 6.5 %
Carbon, C	<= 0.080 %
Hydrogen, H	<= 0.0125 %
Iron, Fe	<= 0.25 %
Nitrogen, N	<= 0.030 %
Other, each	<= 0.10 %
Other, total	<= 0.40 %
Oxygen, O	<= 0.13 %
Titanium, Ti	88.1 - 91 %	Calculated as remainder
Vanadium, V	3.5 - 4.5 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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NTIMEELID / 19345

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