Titanium Ti-6Al-2Sn-2Zr-2Mo-2Cr-.25Si, STA

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Titanium Ti-6Al-2Sn-2Zr-2Mo-2Cr-.25Si, STA
Categories:	Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy
Material Notes:	Alpha-Beta Alloy. High strength and fracture toughness. Lower density, deep-hardenable. Welding is not recommended. Applications: Aerospace - thick-section components Forms typically available: Billet, bar and plate 3 other heat treatments of this alloy are in MatWeb.
Key Words:	Ti-6-22-22-S
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Physical Properties	Metric	English	Comments

Density	4.65 g/cc	0.168 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1280 MPa	186000 psi
Tensile Strength, Yield	1140 MPa	165000 psi
Elongation at Break	11 %	11 %
Modulus of Elasticity	122 GPa	17700 ksi
Poissons Ratio	0.327	0.327
Fatigue Strength	290 MPa @# of Cycles 1.00e+7	42100 psi @# of Cycles 1.00e+7	K_t (stress concentration factor) = 3.0; R = 0.1
	520 MPa @# of Cycles 1.00e+7	75400 psi @# of Cycles 1.00e+7	unnotched
	870 MPa @# of Cycles 1000	126000 psi @# of Cycles 1000	K_t (stress concentration factor) = 3.0; R = 0.1
	1160 MPa @# of Cycles 1000	168000 psi @# of Cycles 1000	unnotched
Shear Modulus	46.0 GPa	6670 ksi
Charpy Impact	20.0 J	14.8 ft-lb	V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000160 ohm-cm	0.000160 ohm-cm	Estimated from similar materials

Thermal Properties	Metric	English	Comments
CTE, linear	9.20 µm/m-°C @Temperature 20.0 - 315 °C	5.11 µin/in-°F @Temperature 68.0 - 599 °F	average
	9.40 µm/m-°C @Temperature 20.0 - 100 °C	5.22 µin/in-°F @Temperature 68.0 - 212 °F	After alpha/beta treatment + age
Specific Heat Capacity	0.500 J/g-°C	0.120 BTU/lb-°F	Estimated from similar materials
Thermal Conductivity	7.00 W/m-K	48.6 BTU-in/hr-ft²-°F	Estimated from similar materials
Melting Point	<= 1650 °C	<= 3000 °F	Estimated from similar materials
Liquidus	1650 °C	3000 °F	Estimated from similar materials
Beta Transus	960 °C	1760 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	6.0 %	6.0 %
Carbon, C	<= 0.040 %	<= 0.040 %
Chromium, Cr	2.0 %	2.0 %
Iron, Fe	<= 0.25 %	<= 0.25 %
Molybdenum, Mo	2.0 %	2.0 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Oxygen, O	<= 0.14 %	<= 0.14 %
Silicon, Si	0.25 %	0.25 %
Tin, Sn	2.0 %	2.0 %
Titanium, Ti	86 %	86 %
Zirconium, Zr	2.0 %	2.0 %

References for this datasheet.

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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MTP221 / 14229

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