TIMET TIMETAL® 6-4 ELI Titanium Alloy (Ti-6Al-4V ELI; ASTM Grade 23) (Annealed; <1.75 in Rod or Thickness; Per ASTM F136)

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

Density	4.42 g/cc	0.160 lb/in³	Typical

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	>= 860 MPa	>= 125000 psi	Longitudinal
Tensile Strength, Yield	>= 795 MPa @Strain 0.2 %	>= 115000 psi @Strain 0.2 %	Longitudinal
Elongation at Break	>= 10 %	>= 10 %	Longitudinal
Reduction of Area	>= 25 %	>= 25 %	Longitudinal; Only for 0.187 -<1.75 inch material
Modulus of Elasticity	95.0 - 111 GPa @Temperature 230 °C	13800 - 16100 ksi @Temperature 446 °F	varies with heat treatment and texture
	107 - 122 GPa @Temperature 20.0 °C	15500 - 17700 ksi @Temperature 68.0 °F	varies with heat treatment and texture
Poissons Ratio	0.31	0.31
Shear Modulus	41.0 - 45.0 GPa	5950 - 6530 ksi
Bend Radius, Minimum	5.0 t @Thickness 2.00 mm	5.0 t @Thickness 0.0787 in	Typical; sheet

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000168 ohm-cm	0.000168 ohm-cm
	0.000168 ohm-cm @Temperature 0.000 °C	0.000168 ohm-cm @Temperature 32.0 °F
	0.000186 ohm-cm @Temperature 315 °C	0.000186 ohm-cm @Temperature 599 °F
	0.000189 ohm-cm @Temperature 650 °C	0.000189 ohm-cm @Temperature 1200 °F
Magnetic Permeability	1.00005	1.00005	at 20 Oersted

Thermal Properties	Metric	English	Comments
CTE, linear	9.00 µm/m-°C @Temperature 0.000 - 100 °C	5.00 µin/in-°F @Temperature 32.0 - 212 °F
	9.40 µm/m-°C @Temperature 20.0 - 425 °C	5.22 µin/in-°F @Temperature 68.0 - 797 °F
	9.70 µm/m-°C @Temperature 20.0 - 650 °C	5.39 µin/in-°F @Temperature 68.0 - 1200 °F
Specific Heat Capacity	0.580 J/g-°C @Temperature 20.0 °C	0.139 BTU/lb-°F @Temperature 68.0 °F
	0.670 J/g-°C @Temperature 425 °C	0.160 BTU/lb-°F @Temperature 797 °F
	0.930 J/g-°C @Temperature 870 °C	0.222 BTU/lb-°F @Temperature 1600 °F
Thermal Conductivity	6.60 W/m-K @Temperature 20.0 °C	45.8 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	10.6 W/m-K @Temperature 315 °C	73.6 BTU-in/hr-ft²-°F @Temperature 599 °F
	17.5 W/m-K @Temperature 650 °C	121 BTU-in/hr-ft²-°F @Temperature 1200 °F
Melting Point	<= 1660 °C	<= 3020 °F
Liquidus	>= 1636 °C	>= 2977 °F
	1660 °C	3020 °F
Maximum Service Temperature, Air	350 °C	662 °F	Reasonable mechanical properties retained
Beta Transus	982 °C	1800 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	5.5 - 6.5 %	5.5 - 6.5 %
Carbon, C	<= 0.080 %	<= 0.080 %
Hydrogen, H	<= 0.0125 %	<= 0.0125 %
Iron, Fe	<= 0.25 %	<= 0.25 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Other, each	<= 0.10 %	<= 0.10 %
Other, total	<= 0.40 %	<= 0.40 %
Oxygen, O	<= 0.13 %	<= 0.13 %
Titanium, Ti	88.1 - 91 %	88.1 - 91 %	Calculated as remainder
Vanadium, V	3.5 - 4.5 %	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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NTIMEELIC / 19344

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