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Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) STA-2
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy

Material Notes: Information provided by Allvac and the references. Solution Treated 875ºC; Aged 540ºC. Alpha-Beta Alloy

Characteristics: High strength at elevated temperatures, heat-treatable, good hardenability, weldable.

Applications: Intermediate-temperature jet engine applications. Blades, discs, spacers, seals.

Forms typically available: Billet, bar, plate and sheet.

4 other heat treatments of this alloy are listed in MatWeb.

Key Words: Ti-6246; Titanium 6-2-4-6; UNS R56260
Vendors:
TITANIUM ENGINEERS is your source for high strength, NACE titanium alloys, with a full range of stock sizes and sizes made to order. Our in-house metallurgical experts ensure the best alloy selection and process titanium to meet unique customer specifications. Please visit our website www.TitaniumEngineers.com for more information or call us at +1 281 265 2910 (USA) or +44 (0) 1675 464200 (UK).

Click here to view all available suppliers for this material.

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Physical PropertiesMetricEnglishComments
Density 4.65 g/cc0.168 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 360360Estimated from Rockwell C.
Hardness, Knoop 392392Estimated from Rockwell C.
Hardness, Rockwell C 3939
Hardness, Vickers 376376Estimated from Rockwell C.
Tensile Strength, Ultimate 1580 MPa229000 psi
Tensile Strength, Yield 1410 MPa205000 psi
Elongation at Break 4.0 %4.0 %
Tensile Modulus 114 GPa16500 ksi
Poissons Ratio 0.330.33Typical for alpha-beta titanium alloy.
Shear Modulus 42.9 GPa6220 ksiCalculated from typical values.
Charpy Impact 11.5 J8.48 ft-lbV-notch
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000190 ohm-cm0.000190 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear  8.60 µm/m-°C
@Temperature 20.0 °C
4.78 µin/in-°F
@Temperature 68.0 °F
 9.90 µm/m-°C
@Temperature 205 °C
5.50 µin/in-°F
@Temperature 401 °F
 10.4 µm/m-°C
@Temperature 540 °C
5.78 µin/in-°F
@Temperature 1000 °F
Specific Heat Capacity 0.500 J/g-°C0.120 BTU/lb-°F
Thermal Conductivity  7.70 W/m-K
@Temperature 23.0 °C
53.4 BTU-in/hr-ft²-°F
@Temperature 73.4 °F
 13.5 W/m-K
@Temperature 540 °C
93.7 BTU-in/hr-ft²-°F
@Temperature 1000 °F
Melting Point 1595 - 1675 °C2903 - 3047 °F
Solidus 1595 °C2903 °F
Liquidus 1675 °C3047 °F
Beta Transus 935 °C1720 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 6.0 %6.0 %
Carbon, C <= 0.040 %<= 0.040 %
Iron, Fe <= 0.15 %<= 0.15 %
Molybdenum, Mo 6.0 %6.0 %
Nitrogen, N <= 0.040 %<= 0.040 %
Oxygen, O <= 0.12 %<= 0.12 %
Tin, Sn 2.0 %2.0 %
Titanium, Ti 82 %82 %
Zirconium, Zr 4.0 %4.0 %

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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Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) STA-1
Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) BSTA
Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) STOA
Titanium Ti-6Al-2Sn-4Zr-6Mo (Ti-6-2-4-6) Annealed
ATI Allvac® 6-2-4-6 Titanium Alloy, Heat Treatment: 885°C (1625°F) + Age

MTP622 / 14235

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